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Background Methods Results Conclusions Paediatric periorbital cellulitis, a common eye condition, typically requires inpatient admission for intravenous antibiotics due to concerns about orbital spread. This study aimed to assess the safety and effectiveness of ambulatory management for children with moderate periorbital cellulitis.Over a 24‐month period, we prospectively enrolled 84 children aged 1 to 16 years who presented with moderate periorbital cellulitis to the emergency department. Demographic and clinical data were collected. Following a guideline‐based decision tree, eligible children received intravenous antibiotics and were discharged with a peripheral cannula for follow‐up in ambulatory care and ophthalmology clinics. Descriptive statistics were used for data presentation.Among the 84 children, 62 (73.8%) were managed through the ambulatory care model. Within the category of moderate POC, those who were admitted to the hospital did not have higher CRP or White Cell counts and received IV antibiotics for the same length of time. The ambulatory care clinic provided a total of 132 daily doses of intravenous antibiotics. Two children treated on this pathway required inpatient admission due to clinical deterioration, one of whom required ophthalmic surgical intervention. There was no mortality or sight‐threatening complications in this study.Implementing a directed ambulatory care pathway for children with moderate periorbital cellulitis proved to be an effective and safe management strategy. This approach reduces the strain on hospital bed occupancy while promoting community‐based patient care. [ABSTRACT FROM AUTHOR]

A multicenter review of Periorbital Necrotizing Fasciitis including nine cases, aged 41 to 82, mostly female, and mainly post-traumatic or idiopathic. Streptococcus pyogenes was the most frequent pathogen. Treatment involved debridement alongside antibiotic therapy in all cases. Two cases experienced toxic shock, with no fatalities. Visual outcomes varied from exenteration to preserved visual acuity with minimal aesthetic impact. Early detection and prompt intervention are paramount due to the significant risks associated with this condition, which may lead to severe complications ranging from vision loss to systemic decline or death. [ABSTRACT FROM AUTHOR]

Abstract Background Trigeminal trophic syndrome is a rare cranial and facial condition caused by damage to the central or peripheral branches of the trigeminal nerve. This syndrome consists of a triad of anesthesia, paresthesia, and crescent-shaped facial ulcer involving the ala nasi and sometimes extending to the upper lip. Although previous screening for human immunodeficiency virus in some patients with trigeminal trophic syndrome was negative, we present a unique case of trigeminal trophic syndrome who tested positive for human immunodeficiency virus with eye complications. Case presentation We present a rare case of trigeminal trophic syndrome in a 44-year-old Black African woman who tested positive for human immunodeficiency virus. She presented with a 6-week history of progressive, persistent, and painless left sided facial and scalp ulcerations that started as small skin erosion. Diagnosis of trigeminal trophic syndrome was made on clinical grounds based on the triad of anesthesia, paresthesia, and unilateral crescent-shaped ulcer in the trigeminal dermatome and her past medical history. The ulcer healed completely after counseling and pharmacological therapy, but she later developed left periorbital cellulitis and left upper eyelid full-thickness defect. Conclusion This is by far the first documented case of trigeminal trophic syndrome with a positive human immunodeficiency virus test. Testing for human immunodeficiency virus in patients with trigeminal trophic syndrome is necessary as this can help improve clinical management and treatment outcomes. Seeking the services of specialists remotely in resource constraint settings is beneficial for managing complications associated with trigeminal trophic syndrome.

Background: Trigeminal trophic syndrome is a rare cranial and facial condition caused by damage to the central or peripheral branches of the trigeminal nerve. This syndrome consists of a triad of anesthesia, paresthesia, and crescent-shaped facial ulcer involving the ala nasi and sometimes extending to the upper lip. Although previous screening for human immunodeficiency virus in some patients with trigeminal trophic syndrome was negative, we present a unique case of trigeminal trophic syndrome who tested positive for human immunodeficiency virus with eye complications. Case presentation: We present a rare case of trigeminal trophic syndrome in a 44-year-old Black African woman who tested positive for human immunodeficiency virus. She presented with a 6-week history of progressive, persistent, and painless left sided facial and scalp ulcerations that started as small skin erosion. Diagnosis of trigeminal trophic syndrome was made on clinical grounds based on the triad of anesthesia, paresthesia, and unilateral crescent-shaped ulcer in the trigeminal dermatome and her past medical history. The ulcer healed completely after counseling and pharmacological therapy, but she later developed left periorbital cellulitis and left upper eyelid full-thickness defect. Conclusion: This is by far the first documented case of trigeminal trophic syndrome with a positive human immunodeficiency virus test. Testing for human immunodeficiency virus in patients with trigeminal trophic syndrome is necessary as this can help improve clinical management and treatment outcomes. Seeking the services of specialists remotely in resource constraint settings is beneficial for managing complications associated with trigeminal trophic syndrome. [ABSTRACT FROM AUTHOR]

Key Clinical Message: VEXAS syndrome (vacuoles, E1 enzyme, X‐linked, autoinflammatory, somatic) is a novel autoinflammatory syndrome. We describe a case of VEXAS syndrome with upper airway and oral cavity involvement which are not well described in the literature. [ABSTRACT FROM AUTHOR]

Cellulitis is a soft tissue infection that presents with erythema, swelling, and pain. When the site of infection is around the eye, it is an ocular emergency. Recognizing orbital cellulitis and understanding its significance can lead to prompt treatment and prevention of untoward patient outcomes [ABSTRACT FROM AUTHOR]

Key Clinical Message VEXAS syndrome (vacuoles, E1 enzyme, X‐linked, autoinflammatory, somatic) is a novel autoinflammatory syndrome. We describe a case of VEXAS syndrome with upper airway and oral cavity involvement which are not well described in the literature.

Preseptal and orbital cellulitis are common paediatric presentations. Despite their incidence, there is no clear evidence-based guidance available to clinicians in the United Kingdom (UK). Orbital cellulitis can cause significant intracranial complications leading to vision loss and even death. An understanding of the clinical presentation, diagnosis, management, and potential complications of paediatric cellulitis is necessary for any health professional involved in the acute care of children. This article aims to develop your knowledge to facilitate your prompt diagnosis of preseptal and orbital cellulitis and to explore management options currently in practice. [ABSTRACT FROM AUTHOR]

Background: Paediatric periorbital cellulitis is a common eye condition and warrants prompt management for the prevention of complications. International consensus on the approach to optimal management of children with mild periorbital cellulitis including ambulatory management is lacking. We aimed to prospectively investigate the safety and effectiveness of ambulatory management of children with mild periorbital cellulitis. Methods: Over a 23‐month period, we prospectively enrolled 70 children aged between 2 and 16 years who presented to the emergency department with mild periorbital cellulitis. Demographic and clinical data were collected. Eligible children were commenced on oral antibiotics and were discharged home with close outpatient ambulatory care and ophthalmology follow up. We used descriptive statistics for data presentation. Results: Of the 70 children with mild periorbital cellulitis, 30 (43%) had unknown aetiology. Sixty‐five (92%) children received a structured ambulatory follow up. Five children (7%) received inpatient parenteral antibiotics for worsening of local symptoms within 24 h of initial presentation. One child developed orbital cellulitis at follow up. There was no mortality or significant morbidity noted in this group and none of the children needed surgical intervention. Conclusions: Ambulatory care for children with mild periorbital cellulitis is an effective and safe management strategy. This might prevent hospitalisation, reduce the burden on hospital bed occupancy and promote patient care in the community. [ABSTRACT FROM AUTHOR]

Abstract Purpose: Osteomyelitis of the orbital bones presenting as an orbital cellulitis is a rare form of extrapulmonary tuberculosis (TB). We report a rare case of tubercular osteomyelitis of the orbital bones presenting as a periorbital cellulitis. Case Report: A seven-year-old female child presented to our tertiary eye care center with swelling involving the right eyelids and the right cheek for two months. She had been provisionally diagnosed elsewhere as pre-septal cellulitis and had been given oral antibiotics. We clinically diagnosed her as orbital cellulitis, but her non-responsiveness to intravenous antibiotics prompted us to get a contrast enhanced computed tomography (CECT) of the orbit and paranasal sinuses, which was suggestive of tubercular etiology. However, the patient had no foci for TB elsewhere. We used a relatively new, but rapid test, called Cartridge-based Nucleic Acid Amplification Test (CBNAAT) on the pus aspirate which was positive for TB. Thereafter, the patient was started on anti-tubercular treatment to which she responded wonderfully. Conclusion: A high index of suspicion should be kept for TB infection in cases of orbital cellulitis with unusual clinical behavior in an endemic region such as India.

Preseptal cellulitis is the skin and soft-tissue infection of the periorbital region, especially in paediatric patients. We report a case of a 7-year-old girl with impetigo-associated preseptal cellulitis, presenting with left upper eyelid swelling, purulent discharge and crusted skin lesions. The patient was treated conservatively with a team of ophthalmologists and dermatologists. There is a lack of documentation that preseptal cellulitis can be caused by Impetigo; a highly infectious skin disease. In the paediatric population, it is important to keep in mind the uncommon causes of preseptal cellulitis. A multidisciplinary care approach is necessary to treat the underlying etiological cause in the management and for favourable outcomes. [ABSTRACT FROM AUTHOR]

Sinusitis is a common condition that can lead to various neurological complications due to the spread of infection to the intracranial and orbital regions. Fortunately, the availability of antibiotics has significantly improved the prognosis of sinusitis-associated intracranial complications. As a result, the overall incidence of neurological complications arising from sinusitis remains low. We present a rare case of a 13-year-old male who developed epidural empyema and orbital cellulitis as a complication of acute sinusitis. The patient initially exhibited signs and symptoms of orbital cellulitis, including eyelid swelling, erythema, and pain. Subsequently, the patient's condition worsened, with the development of fever and an intensifying headache. Imaging revealed an epidural empyema, necessitating urgent medical intervention. This case highlights the importance of early recognition and prompt management of sinusitis-related intracranial and orbital complications to prevent potentially life-threatening outcomes., (© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Background: Although they can occur at all ages, orbital (OC) and periorbital cellulitis (POC) prevail in the pediatric population. Acute rhinosinusitis (ARS) is the most frequent predisposing factor of OC. Recent literature has suggested a medical management approach for OC and POC, with surgery reserved only for more severe cases. However, there is still a lack of consensus on the clinical markers of a need for surgery. The aim of this systematic review was to identify clinical markers of a need for surgery in children with OC. Our systematic review, in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) process, yielded 1289 articles finally screened. This resulted in 31 full texts that were included in a qualitative analysis. The results of this review suggest that in children aged over 9 years, large subperiosteal orbital abscesses (SPOAs), impaired vision, ophthalmoplegia, proptosis, elevated C-reactive protein (CRP) and absolute neutrophil counts (ANC), hemodynamic compromise, no clinical improvement after 48/72 h of antibiotic therapy, and a Chandler III score or higher are clinical markers of the need for surgery. However, most of the studies are observational and retrospective, and further studies are needed to identify reliable and repeatable clinical markers of the need for surgery. [ABSTRACT FROM AUTHOR]

Eye infection with or without swelling is a common complaint in pediatric patients. It commonly affects the eyelid, which can be confused with an insect bite, orbital pseudotumor, or panophthalmitis. The article highlights the differences between preseptal and orbital cellulitis. Preseptal and orbital cellulitis originate from other infections because of the thin bone barrier that separates the eye from other facial structures. The clinical manifestations of preseptal and orbital cellulitis may be perplexing, and emergency nurse practitioners must distinguish between the two infections. The incorrect diagnosis may lead to complications. The complications associated with orbital cellulitis are vision loss, brain abscess, vision loss, cavernous sinus thrombophlebitis, orbital cellulitis, subperiosteal abscess, and death. Thus, early diagnosis and treatment will prevent these complications. [ABSTRACT FROM AUTHOR]

Complications of acute rhinosinusitis(ARS) in the pediatric population can include intra- and extracranial involvement from spread of infection. Though these infections are most commonly preceded by a URI, infection with Sars-CoV-2 (COVID-19) as the inciting event for complicated ARS has rarely been described in the pediatric population. Furthermore, decision making surrounding surgical management of acutely infected patients with COVID-19 remains complicated. This case demonstrates complicated ARS in an otherwise healthy 10-year-old patient with an orbital abscess following COVID-19 infection, ultimately requiring both internal and external surgical approaches for adequate management.

Purpose: Osteomyelitis of the orbital bones presenting as an orbital cellulitis is a rare form of extrapulmonary tuberculosis (TB). We report a rare case of tubercular osteomyelitis of the orbital bones presenting as a periorbital cellulitis. Case Report: A seven-year-old female child presented to our tertiary eye care center with swelling involving the right eyelids and the right cheek for two months. She had been provisionally diagnosed elsewhere as pre-septal cellulitis and had been given oral antibiotics. We clinically diagnosed her as orbital cellulitis, but her non-responsiveness to intravenous antibiotics prompted us to get a contrast enhanced computed tomography (CECT) of the orbit and paranasal sinuses, which was suggestive of tubercular etiology. However, the patient had no foci for TB elsewhere. We used a relatively new, but rapid test, called Cartridge-based Nucleic Acid Amplification Test (CBNAAT) on the pus aspirate which was positive for TB. Thereafter, the patient was started on anti-tubercular treatment to which she responded wonderfully. Conclusion: A high index of suspicion should be kept for TB infection in cases of orbital cellulitis with unusual clinical behavior in an endemic region such as India. [ABSTRACT FROM AUTHOR]

Monkeypox, a viral disease caused by the monkeypox virus is well known for its characteristic rash with macular, papular, and vesicular stages. Although the skin is one of the most affected organs by monkeypox, the virus can also impact the respiratory, ophthalmologic, genitourinary, and gastrointestinal systems, among others. It is extremely common for the disease to begin with flu-like symptoms in the prodromal phase before cutaneous manifestations emerge. Here, we describe a unique case of monkeypox infection in which a patient first presented with periorbital cellulitis before any characteristic skin findings appeared. The source of the infection was unknown and the patient recovered without any complications to date. This odd presentation of monkeypox reiterates the need for a detailed evaluation of patients with a similar presentation., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Batool et al.)

Abstract NKTCL is a rare and destructive midline tumor that can be easily misdiagnosed as other more common inflammatory processes. The differential diagnosis of NKTCL should always be kept in mind for any lesion of the paranasal sinuses with atypical presentation and nonresponsive to conventional treatments.

NKTCL is a rare and destructive midline tumor that can be easily misdiagnosed as other more common inflammatory processes. The differential diagnosis of NKTCL should always be kept in mind for any lesion of the paranasal sinuses with atypical presentation and nonresponsive to conventional treatments. [ABSTRACT FROM AUTHOR]

Purpose: The role of adjuvant systemic corticosteroids in the management of periorbital cellulitis and subperiosteal/orbital abscesses secondary to sinonasal infections is not well understood. Our objective was to systematically review the current evidence on the efficacy and side effects of systemic steroids when used in the management of periorbital cellulitis. Methodology: A systematic review of literature was conducted in accordance with PRISMA guidance. A systematic search of MEDLINE, Embase and Cochrane databases, MetaRegister and ISI conference proceedings was conducted. The outcomes of interest were duration of inpatient stay, requirement for surgical intervention, adverse effects and recurrent/residual symptoms. Results: Four studies were identified involving 118 patients. Of these, 78 underwent treatment with systemic corticosteroids and 40 were controls. Meta-analysis demonstrated that the mean duration of inpatient stay was significantly shorter in the steroid group (WMD − 2.90 days; 95% CI − 3.07, − 2.73; p < 0.00001). There were no significant differences in requirement for surgical intervention (RR 0.93; 95% CI 0.50, 1.75; p = 0.83). Side effects were reported in 6/78 patients (7.7%), with 5 patients showing signs of hyperactivity and 1 patient with insomnia. These were mild except in one case, which required early cessation of corticosteroids. There was one case of recurrence of symptoms in each cohort (steroid vs. non-steroid) following discharge. Conclusions: The evidence suggests that systemic corticosteroids may offer some benefit in the management of periorbital cellulitis secondary to sinonasal infections. However, there is significant heterogeneity and risk of bias. A well-designed randomised controlled trial may provide a better insight into the efficacy of systemic steroids for this condition. [ABSTRACT FROM AUTHOR]

Aim: To identify the predictors of poor outcome and need for surgical management in paediatric patients with periorbital cellulitis. To assess the adherence to local guidelines in the management of periorbital cellulitis.Methods: Retrospective descriptive analysis of clinical, laboratory and radiological characteristics of 175 paediatric periorbital cellulitis presentations at a UK teaching hospital over a 10-year period. Regression investigated correlations for continuous and categorical variables.Results: A total of 175 paediatric presentations were diagnosed as periorbital infections over the 10-year period. Of these, 139 had pre-septal cellulitis, 27 had a subperiosteal abscess, 6 had an orbital cellulitis, 1 had an orbital abscess, 1 a cavernous sinus thrombosis and 1 an extradural abscess. Median age at presentation was 5 years (range: 1 month-17 years). In total, 169 (97%) cases received systemic antimicrobial treatment. Cross-sectional imaging occurred in 30% of cases and 18% required surgical intervention. Increasing C-reactive protein was associated with greater risk of post-septal disease and requiring surgery. The best predictors of post-septal disease in the multivariate analysis (R2 = 0.49, P = ≤0.001) were ophthalmoplegia (P = 0.009), proptosis (P = 0.016) and pain on eye movement (P = 0.046). Proptosis was the single most significant predictor of surgical management (R2 = 0.53, P = <0.001).Conclusion: Multidisciplinary involvement and early medical management can improve outcomes for most patients. Those who deteriorate despite medical management should be considered for prompt imaging and surgical management to avoid serious life-threatening or sight-threatening complications. [ABSTRACT FROM AUTHOR]

Objectives: To evaluate the impact of the pneumococcal conjugate vaccines (PCVs) introduction on the orbital complications of acute rhino-sinusitis (OC-ARS)., Methods: A retrospective cohort study of all pediatric patients with OC-ARS during the period 2002-2019. Data included clinical, demographic, laboratory, and microbiology findings. Patients were divided into three groups: before PCV7 introduction (group 1), after PCV7 and before PCV13 (group 2), and after PCV13 (group 3)., Results: Of 265 enrolled patients, 117, 39, and 109 were assigned to groups 1, 2, and 3. During the study period, a significant decrease was recorded in the percentages of patients in Chandler classification severity category 1, with an increase in patients in category 3 (P = 0.011). The yearly incidence of OC-ARS decreased from 12.64 cases per 100,000 population in 2002 to 5.56 per 100,000 in 2008, and 2.99 per 100,000 in 2019 (P < 0.001). Patients aged 0-4 years showed a dramatic decrease from 29 cases per 100,000 population in 2002 to 4.27 per 100,000 in 2019 (P < 0.001). The pathogens retrieved from all cultures performed were Streptococcus pneumoniae (32.5%), non-typeable Haemophilus influenzae (27.5%), Streptococcus Species, (12.5%), and Staphylococcus aureus (20%), with no changes in distribution during the study periods. Surgery was performed in 28 (10.6%) patients., Conclusions: A significant decrease was seen in the overall incidence of OC-ARS, mainly attributable to the decrease in patients aged 0-4 years. An increase was recorded in the severity of the disease following PCVs introduction., Competing Interests: Declaration of competing interest No competing interests to declare., (Copyright © 2024 Taiwan Pediatric Association. Published by Elsevier B.V. All rights reserved.)

Varicella zoster virus (VZV) infection, also commonly known as chickenpox, is a communicable disease most often contracted in childhood via contact, airborne, or droplet transmission. After about a two-week incubation period, patients can experience a prodromal phase, which includes a pruritic vesicular blistering rash with associated constitutional symptoms such as fever, headache, malaise, muscle aches, fatigue, and sore throat. Symptoms are often self-limiting and only require supportive care and observation. We report a case of a 54-year-old female who presented with an unusual background history and was found to have a rare manifestation of herpes zoster virus, presenting as herpes zoster ophthalmicus (HZO)., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2024, Sheth et al.)

Relapsing polychondritis (RP) is a multisystem inflammatory disease affecting all types of cartilage and proteoglycan-rich tissues with recurrent bouts of inflammation resulting in tissue damage. The pleomorphic nature, the wide spectrum of clinical features and insidious onset of the disease makes the diagnosis of RP a challenge for clinicians. Eyelid edema is a recognized manifestation of this disease frequently in association with inflammation in other parts of eyes. This case highlights eyelid edema in a patient who presented primarily with chondritis of the pinna, which subsided with steroids.

Periorbital cellulitis is much more common in younger children than in adolescents or adults, and most cases of uncomplicated periorbital cellulitis can be treated with antibiotics alone. Here, we report a case of a 53-year-old man with periorbital purulent discharge. Computed tomography imaging revealed pansinusitis. Pus culture isolated a pathogen of Streptococcus constellatus, but it was refractory to 2 weeks of antibiotic therapy with amoxicillin–clavulanate. The patient underwent debridement and functional endoscopic sinus surgery, followed by 10 days of hyperbaric oxygen treatment. The above antibiotic was changed to full-dose intravenous clindamycin. Two weeks after the surgery, the patient was discharged from the hospital. At 1-month follow-up, no purulent discharge was noted; however, mild left-eyelid contracture was observed. This study suggested that if conservative therapy for periorbital purulent discharge in an adult is not effective, progressive treatment, including surgery, should be considered.

Tick-borne rickettsioses are infectious diseases caused by obligate intracellular Gram-negative bacteria belonging to the spotted fever group of Rickettsia. We describe an unusual case of SENLAT (Scalp eschar and neck lymphadenopathy after tick bite), caused by Rickettsia slovaca , associated with a cellulitis of the face in a 70-year-old woman, and diagnosed using qPCR on a scalp eschar swab. We review the literature regarding cases of SENLAT-associated-cellulitis and case of SENLAT diagnosed by qPCR on scalp eschar swabs. We found only one previous report of SENLAT associated with a cellulitis of the face. It was a nine-year-old French girl diagnosed by seroconversion for Rickettsia sp. Our review of the literature showed that qPCR on eschar swab samples is a less invasive method than performing cutaneous biopsy of the eschar and has good sensitivity and specificity (90% and 100%, respectively). We report the second case of cellulitis of the face associated with the SENLAT syndrome. Detection of Rickettsia by qPCR on swab sample of the scalp eschar is a simple, noninvasive technique allowing rapid diagnosis and treatment when SENLAT is suspected. [ABSTRACT FROM AUTHOR]

Acute complicated sinusitis can occur in children and can lead to significant morbidity and mortality. While medical management is critical, it is important to provide multi-disciplinary care to involve surgical specialists. Since intracranial and extracranial complications can result from acute sinusitis, active communication among all these specialists is paramount to achieve the best patient outcomes. Children with these conditions are best managed at centers where appropriate pediatric medical and surgical subspecialty care is available. [ABSTRACT FROM AUTHOR]

Odontogenic infections are common and very often spread to potential spaces of head and neck. The spread of such infection to adjacent maxillary sinuses or distant sites such as the orbits are a rare occurrence and may develop periorbital and orbital cellulitis. Unfortunately once orbital cellulitis and subsequently orbital abscess develops it can give rise to serious complications such as complete blindness or even more serious and life-threatening situations as cavernous sinus thrombosis, intracranial abscess or even death. Two cases are presented to demonstrate the differences between the two conditions and the necessary management in either case. This article provides an insight into the clinical behaviour of orbital infections of odontogenic origin with contemporary diagnostic and treatment modalities that will help in reducing morbidity and mortality associated with these conditions.

Retrobulbar orbital abscess in children is a rare condition, and diagnosis and management can be challenging. We report the case of a 5-week-old male infant with retrobulbar orbital abscess secondary to acute dacryocystitis developed from a dacryocystocele. The patient presented with respiratory difficulty, sepsis and progressive clinical findings suggestive of post-septal cellulitis. He was successfully treated with endonasal incision of subturbinate dacryocystoceles followed by probing of the lacrimal ducts. Congenital dacryocystocele must be considered a differential diagnosis in infants with respiratory difficulty and may develop into a vision- and life-threatening condition requiring immediate intervention. [ABSTRACT FROM AUTHOR]

Background Periorbital and orbital cellulitis cause significant pediatric morbidity. Here, we define the clinical features of and characterize isolates from children with periorbital or orbital cellulitis caused by Staphylococcus aureus at Texas Children’s Hospital in Houston. Methods Patients were identified from a prospective S aureus study database from January 2002 to July 2015. Demographic and clinical data were collected retrospectively. Isolates were genotyped by pulsed-field gel electrophoresis, and Panton-Valentine leukocidin (lukSF - PV [ pvl ]) genes were detected by quantitative polymerase chain reaction. Data were analyzed with the Fisher exact or Wilcoxon rank-sum test. Results Eighty-five patients with periorbital (n = 58) or orbital (n = 27) cellulitis were identified. We found 57 (67%) methicillin-resistant S aureus (MRSA) isolates, 72 (85%) pvl -positive (pvl +) isolates, and 66 (78%) USA300 isolates. No differences in clinical characteristics were found when we compared MRSA to methicillin-susceptible (MSSA) infections or USA300 to non-USA300 infections. Patients with orbital cellulitis were hospitalized a median of 12 days (range, 2–28 days) and received antibiotics for 21 days (range, 10–32 days). Twelve (44%) patients with orbital cellulitis received steroids. Steroid treatment did not affect the length of hospitalization or duration of antibiotic treatment. Six (7%) patients with orbital cellulitis were bacteremic. Patients with periorbital cellulitis were hospitalized for a median of 3 days (range, 0–17 days) and received antibiotics for 11 days (range, 7–32 days). According to computed tomography (CT), 19 (70%) patients with orbital cellulitis and 11 (41%) with periorbital cellulitis had sinusitis. Conclusions The majority of periorbital and orbital S aureus infections at Texas Children’s Hospital were caused by MRSA, and no change was observed over time. Empirical antibiotic treatment should include coverage for MRSA. PVL might be an important virulence factor in these presentations. S aureus is associated with sinusitis and its complications. [ABSTRACT FROM AUTHOR]

Langerhans cell histiocytosis (LCH) is a rare multi-system disease. It presents infrequently as a childhood orbital tumor, and can mimic more common inflammatory orbital disease processes. We report the clinical, histopathological, and electron microscopic findings of orbital LCH in an 18-month-old child, along with a review of the recent literature regarding molecular pathogenetic analysis of LCH. The child presented with a two-week history of progressive left periorbital edema and redness. He was initially diagnosed and treated empirically for bacterial periorbital cellulitis, but subsequently underwent ophthalmological consultation after he failed to improve. Histopathological examination of an orbital biopsy specimen revealed numerous Langerhans-type cells, which stain positive for CD1A and CD207 (langerin). Electron microscopic examination demonstrated characteristic Birbeck granules within the Langerhans-type cells. Three year follow-up did not demonstrate recurrence or disease progression. [ABSTRACT FROM AUTHOR]

Orbital cellulitis with subperiosteal or orbital abscess can result in serious morbidity and mortality in children. Objective volume criterion measurement on cross-sectional imaging is a useful clinical tool to identify patients with abscess who may require surgical drainage. To determine the predictive value of abscess volume and the optimal volume cut-point for surgical intervention. We conducted an observational cohort study using medical records from children hospitalized between 2009 and 2018. Multicentre study using data from 6 children's hospitals. Children were included if they were between 2 months and 18 years of age and hospitalized for an orbital infection with an abscess confirmed on cross-sectional imaging. Subperiosteal or orbital abscess volume. The primary outcome was surgical intervention, defined as subperiosteal and/or orbital abscess drainage. Multivariable logistic regression was performed to assess the association of abscess volume with surgery. To determine the optimal abscess volume cut-point, receiver operating characteristic (ROC) analysis was performed using the Youden Index to optimize sensitivity and specificity. Of the 150 participants (mean [SD] age, 8.5 [4.5] years), 68 (45.3%) underwent surgical intervention. On multivariable analysis, larger abscess volume and non-medial abscess location were associated with surgical intervention (abscess volume: adjusted odds ratio [aOR], 1.46; 95% CI, 1.11–1.93; abscess location: aOR, 3.46; 95% CI, 1.4–8.58). ROC analysis demonstrated an optimal abscess volume cut-point of 1.18 mL [AUC: 0.75 (95% CI 0.67–0.83) sensitivity: 66%; specificity: 79%]. In this multicentre cohort study of 150 children with subperiosteal or orbital abscess, larger abscess volume and non-medial abscess location were significant predictors of surgical intervention. Children with abscesses >1.18 mL should be considered for surgery. • Orbital cellulitis complicated by subperiosteal or orbital abscess is a serious infection in children. • Objective volume criterion is a useful tool to identify patients who may require surgical drainage. • Abscess volume cut-points range from 0.5 mL to 3.8 mL reported in single centre studies. • In our heterogenous cohort, 1.18 mL was the optimal abscess cut-point. [ABSTRACT FROM AUTHOR]

Introduction: Odontogenic rhinosinusitis is commonly located in the maxillary sinus, a chronic disease whose initial treatment is antibiotic therapy and symptomatics. Complications are divided by affected site, with orbital complications being the most prevalent. Periorbital cellulitis restricts the preseptal location, routinely with oral antibiotics and observing the need for tooth removal. Objectives: Report the case of a patient who developed periorbital cellulitis, a complication of odontogenic rhinosinusitis. Resumed report: Female, 45 years old. Referred to otorhinolaryngology which found infection of odontogenic origin. Reports toothache for 14 days, progressing to worsening pain and swelling of the right hemiface, started treatment with Amoxicillin, 7 days without improvement. Hospitalized for 4 days using Clindamycin + Ceftriaxone. Physical examination shows large edema (3+/4+) hardened in palpation on the right hemiface with complete eyelid occlusion, hyperemia and redness. Increased volume extended to the submandibular, submental and temporal regions, also hardened to palpation and hyperemia. Associated with trismus and poor general condition of the teeth. Cranial CT showed maxillary and ethmoidal sinusitis. Dexamethasone was added, referral to oral and maxillofacial patients. Conclusion: Imaging exam confirms the diagnosis of maxillary and ethmoidal sinusitis, periorbital cellulitis as a complication. Corroborates studies that indicate it as the most prevalent cases of sinusitis in the ethmoid sinus due to the anatomical boundary between the ethmoid cells and the fact that the orbit is formed by a thin bone layer, the lamina papyracea, which facilitates the spread of the infection. [ABSTRACT FROM AUTHOR]