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Gastrointestinal fistulas can be a complication of severe acute pancreatitis, and their incidence is low and sporadically reported in the literature. The most frequently reported site is in the colon, followed by duodenal fistulas. Psoas abscess is a rare condition. Iliopsoas abscesses are classified as primary or secondary. Secondary abscesses develop by spreading infection from contiguous anatomical structures, such as the gastrointestinal tract. We present the case of a recurrent left psoas abscess secondary to a duodenal fistula as a late complication of necrotizing pancreatitis resolved by endoscopic treatment.

Postoperative infection following percutaneous balloon kyphoplasty (PBK) is a rare complication and delayed onset infection is very rare. We report the case of a 62-year-old male, who developed spondylodiscitis and psoas abscess 5 years after two-level, L2 and L3 PBK. He was initially treated with abscess aspiration and long term antimicrobial treatment. Eventually, due to failure of conservative treatment he underwent anterior decompression, radical debridement of the infected tissue and non-instrumented fusion with strut graft, with excellent results.

Case: Appendicular fecaliths have been reported to migrate to nearby organs before or during surgical treatment and become a late source of infection. We report an extremely rare case of recurrent iliopsoas abscesses caused by appendicular fecaliths that have migrated to the psoas muscle before or during the previous appendicectomy for acute appendicitis. In this case, surgical removal of fecaliths cured the iliopsoas abscess., Conclusion: Orthopaedic surgeons and gastroenterologists should remember that appendicular fecaliths that migrated into the iliopsoas muscle may cause late-onset iliopsoas abscesses., Competing Interests: Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSCC/B912)., (Copyright © 2022 by The Journal of Bone and Joint Surgery, Incorporated.)

Here, we report a case of malignant psoas syndrome presented to us during the second peak of the COVID-19 pandemic. Our patient had a medical history of hypertension, recently diagnosed with left iliac deep vein thrombosis and previous breast and endometrial cancers. She presented with exquisite pain and a fixed flexion deformity of the left hip. A rim-enhancing lesion was seen within the left psoas muscle and was initially deemed to be a psoas abscess. This failed to respond to medical management and attempts at drainage. Subsequent further imaging revealed the mass was of a malignant nature; histology revealing a probable carcinomatous origin. Following diagnosis, palliative input was obtained and, unfortunately, our patient passed away in a hospice shortly after discharge. We discuss the aetiology, radiological findings and potential treatments of this condition and learning points to prompt clinicians to consider this diagnosis in those with a personal history of cancer., Competing Interests: Competing interests: None declared., (© BMJ Publishing Group Limited 2022. No commercial re-use. See rights and permissions. Published by BMJ.)

We report a rare case of psoas abscess formation caused by mucinous cystadenocarcinoma. A 65-year-old women was admitted to our hospital for treatment for iliopsoas abscess. She presented with standing difficulty and her laboratory data showed an increased level of leukocytes. CT scan demonstrated an abscess formation in iliopsoas muscle. Colonoscopy showed an ulcer on her cecum. Although percutaneous drainage was performed on the first day, the abscess relapsed repeatedly. Ileocolectomy was performed on post admission day 29. Abscess drainage continued after the operation, the patient was discharged on postoperative day 34. Pathological examination revealed mucinous cystadenocarcinoma on the cecal tumor. Total 8 cycles of FOLFOX6 was performed as adjuvant chemotherapy. The patient has been survived for 20 months with no recurrence.

Crohn's Disease (CD) refers to a chronic transmural bowel inflammation affecting a range between 5 and 15 per 100,000 person-years worldwide 1. In patients with stricturing CD, the transmural pattern of inflammation may trigger the development of sinus tracts able to connect to other tissues, leading to the formation of fistulas or abscesses 2. Intra-psoas abscesses are rare, affecting between 0.4-4.3% of patients with CD 3. We present the case of a 36-year-old male with no past medical history except for a two-week worsening lumbosciatalgia not responding to standard nonsteroidal anti-inflammatory drugs, who complained sudden abdominal pain, with right lower abdominal stiffness combined to a severe edema and erythema of the right lower limb, extended from the gluteus down to the knee, involving the anteromedial and posteromedial areas of his thigh. Patient was septic and CT scans revealed a large complex air-fluid collection within the right iliac region, involving terminal ileum, right retroperitoneum and right lateral abdominal wall towards the inner edge of his thigh. Diagnosis of CD was made on histopathology and the patient gained full recovery thanks to a prompt surgical intervention followed by high-dose antibiotic infusion and vacuum-assisted wound closure. Intra-psoas abscesses, albeit rare, are a known manifestation of CD and frequently lead to misdiagnosis because of their rarity and their unusual location easily mimicking other diseases. Therefore, clinician's awareness must be heightened for complicated CD in the setting of intra-psoas abscesses in order to avoid delayed treatment. KEY WORDS: Crohn disease, Psoas abscess, Sciatica, Late onset disorders, Negative pressure Wound therapy.

Purpose: To evaluate the feasibility and safety of the computed tomography (CT)-guided femoral approach for draining a psoas muscle abscess (PMA)., Materials and Methods: Between January 2014 and November 2018, the CT-guided femoral approach was employed for 9 abscesses in 8 patients who could not tolerate the prone position because of advanced age or other underlying conditions. A 17-gauge blunt metal needle was used to puncture the iliacus muscle below the groin under CT fluoroscopic guidance. A drainage catheter was then placed within the abscess cavity in the psoas major muscle. Technical success, clinical success, complications, the drainage therapy duration, susceptibility to antibiotics, survival, and recurrence were evaluated., Results: The technical success rate was 100% among all nine lesions. The clinical success rate was 89% among all eight patients. One patient died of concomitant meningitis 15 days after the procedure. No patients developed therapy-related complications. The median duration of the drainage therapy was 15 days (range 6-71 days). Appropriate antibiotics based on the culture susceptibility were achieved in all patients. Four patients survived, and the remaining four died at 15 to 758 days (median, 36 days) after the procedure; no therapy-related deaths occurred. No recurrence was seen., Conclusion: The CT-guided femoral approach seems feasible, effective, and safe for draining psoas muscle abscesses in ill patients who cannot tolerate the prone position., (© 2022. Springer Science+Business Media, LLC, part of Springer Nature and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE).)

Competing Interests: The authors declare no conflict of interest.

Iliopsoas abscesses (IPA) are uncommon, with an associated mortality rate of up to 20%. We describe the case of a 55-year-old man war veteran who presented with an unusual cause of IPA secondary to retained foreign body (FB). His initial trauma 30 years before was a result of a blast injury with shrapnel penetration suffered after inadvertently driving over a landmine as an ambulance driver in a conflict region. A CT scan was performed, revealing a 13 mmx8 mm radio-opaque FB within the right psoas at the level of the fifth lumbar vertebra with a surrounding collection. Subsequent open surgical exploration removed two gravel fragments. Given the knowledge of a traumatic blast injury with retained FB and repeated episodes of sepsis, surgical exploration is warranted. To our knowledge, this is the first case of recurrent IPA secondary to a retained FB from a historical trauma., Competing Interests: Competing interests: None declared., (© BMJ Publishing Group Limited 2021. No commercial re-use. See rights and permissions. Published by BMJ.)

Infected aortic aneurysm is a rare disease and is often overlooked as a source of infection in septic elderly patients. We present a case of a septic elderly man with a ruptured infected aortic aneurysm caused by Salmonella enteritidis This condition was treated non-surgically with percutaneous endovascular aneurysm repair and antibiotics. The postoperative recovery was complicated a month later by spondylodiscitis and psoas abscess. He underwent radiologically guided drainage of the psoas abscess and was placed on lifelong suppressive antibiotics. We discuss the aetiology, treatment options and complications of this condition., Competing Interests: Competing interests: None declared., (© BMJ Publishing Group Limited 2021. No commercial re-use. See rights and permissions. Published by BMJ.)

Emphysematous prostatitis is a rare, clinical condition characterized by gas and abscess formation in the prostate often associated with features of sepsis. We report a case of 60-year-old gentleman presenting with emphysematous prostatitis complicated with secondary psoas abscess and florid sepsis following prostate biopsy., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Competing Interests: Competing interests: None declared.

Background: Actinomycosis is a chronic, slowly progressive infection caused by the Actinomyces species. Lumbar vertebral involvement of Actinomyces israelii is extremely rare; this is the first case report of lumbar vertebral osteomyelitis and psoas abscess caused by Actinomyces israelii after an operation under general anesthesia., Case Presentation: A 66-year-old Japanese man with end-stage renal disease was admitted to our hospital for an operation for cervical canal stenosis. After the operation under general anesthesia, during which tracheal intubation and nasogastric tube insertion were performed, he developed low back pain. During a second hospitalization, computed tomography revealed osteolysis of the lumbar endplates of L2 and L3, swelling of the intervertebral disk of L2/L3, and swelling of the left psoas major muscle. Percutaneous drainage of the intervertebral disc was performed, and the culture of the aspirate grew Actinomyces israelii. Based on the susceptibility, ampicillin was administered but his condition did not improve. We changed the antibiotics to ampicillin-sulbactam for coverage of unidentified oral commensals, and his symptoms and signs finally improved., Conclusion: Our patient's long-term end-stage renal disease had made the oral and gastrointestinal mucosal barriers very fragile. Under these conditions, even mildly invasive procedures such as tracheal intubation and nasogastric tube insertion could be the cause of infectious complication by oral commensals, including Actinomyces.

Rationale: Endograft infection following endovascular stent for aortic aneurysm is rare (0.6%-3%), but it results in high mortality rate of 25% to 88%., Patient Concerns: A 66-year-old hypertensive man underwent an endovascular stent graft for abdominal aortic aneurysm 18 months ago. Recurrent episodes of fever, chills, and abdominal fullness occurred 6 months ago before this admission. Laboratory data showed 20 mg/dL of C-reactive protein and abdominal computed tomography (CT) revealed an aortic endoleak at an urban hospital, so 4-day course of intravenous (IV) amoxicillin/clavulanic acid was given and he was discharged after fever subsided. He was admitted to our hospital due to fever, chills, and watery diarrhea for 1 day. Abdominal CT showed left psoas abscess associated with endograft infection. Blood culture grew Listeria monocytogenes., Diagnosis: Left psoas abscess associated with endograft infection caused by bacteremia of Listeria monocytogenes., Interventions: IV ampicillin with 8 days of synergistic gentamicin was prescribed and it created satisfactory response. Ampicillin was continued for 30 days and then shifted to IV co-trimoxazole for 12 days., Outcomes: He remained asymptomatic with a decline of CRP to 0.36 mg/dL and ESR to 39 mm/h. He was discharged on the 44th hospital day. Orally SMX/TMP was prescribed for 13.5 months., Lessons: Only few cases of aortic endograft infection caused by Listeria monocytogenes had been reported. In selected cases, particularly with smoldering presentations and high operative risk, endograft retention with a prolonged antimicrobial therapy seem plausible as an initial therapeutic option, complemented with percutaneous drainage or surgical debridement if necessary.

A 58-year-old man presented to colorectal clinic with intermittent rectal bleeding, weight loss, also pain and weakness affecting his lower back and right leg. On inspection, there were perianal warts (condyloma acuminata), with an additional palpable anal lesion on digital rectal examination, confirmed by colonoscopy. Subsequent imaging revealed a large right psoas abscess, and an associated paravertebral soft tissue component invading the right lumbosacral plexus and nerve roots at L4, L5 and S1. Biopsy of the paravertebral mass revealed metastatic squamous cell carcinoma. Given his symptomatology, and also as biopsy of the perianal warts revealed high-grade squamous intraepithelial lesion/grade III anal intraepithelial neoplasia on histology with infection by human papillomavirus type 6, the primary was presumed to be anal. This was a case of sciatic pain which proved to be diagnostically challenging on initial presentation to primary care. This mode of presentation and pattern of metastasis are uncommon in anal cancer., Competing Interests: Competing interests: None declared., (© BMJ Publishing Group Limited 2019. No commercial re-use. See rights and permissions. Published by BMJ.)

We report a case of a 33-year-old woman from Nepal who presented to a hospital with paraplegia. She was found to have pulmonary tuberculosis (TB) with lumbar spine involvement, and bilateral psoas abscesses. She had no initial symptoms attributable to pulmonary involvement. Her delayed presentation to the hospital led to complication of TB spine, which compromised the life of this woman working as a labourer. Early diagnosis and treatment of extrapulmonary TB is essential. Awareness regarding symptoms of different forms of extrapulmonary TB and making diagnostic modalities such as CT scan, MRI or biopsy readily available through insurance schemes are some important measures to minimise the problem so that complications like paraplegia as in our patient with spinal TB can potentially be avoided., Competing Interests: Competing interests: None declared., (© BMJ Publishing Group Limited 2018. No commercial re-use. See rights and permissions. Published by BMJ.)

Competing Interests: Competing interests: None declared.

Extracorporeal shock wave lithotripsy (ESWL) is among the most widely used modalities for treatment of urolithiasis since its introduction in the 1980s. The non-invasive technique reduces the risk of post-procedure complications and produces excellent stone free rates. However, complications may still follow and albeit rare, there are reports in literature of abscess formation post ESWL. Herein, we report the case of a young, immunocompetent gentleman who developed bilateral psoas abscess after undergoing this procedure. He was successfully managed at our institute with intravenous antibiotics, percutaneous abscess drainage and was discharged on day 5 post-intervention in a stable condition. There have been two similar cases reported in literature.

A 69-year-old man was admitted with non-resolving right leg cellulitis. Subsequent skin changes over the calf and discharging pus suggested necrotising fasciitis. After several wound debridements of the leg and imaging, the patient was found to have an iliopsoas abscess due to a metastatic perforated caecal tumour extending along the medial thigh to the calf. No micro-organisms indicative of typical necrotising fasciitis were isolated from the wound. The patient had an ileocaecal resection, and his leg was reconstructed with a split thickness skin graft. He continues to do well postoperatively. This case highlights key lessons when dealing with an unusual presentation leading to challenges in diagnosis such as: (1) the need for good interspecialty liaison, (2) prompt senior review and plan, and (3) 'thinking outside the box' when faced with a diagnostic challenge., Competing Interests: Competing interests: None declared., (© BMJ Publishing Group Ltd (unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)

Iliopsoas abscess (IPA) is a rare condition seen in a variety of specialties that presents with nonspecific complaints. Presented herein is the development of an IPA after robotic staging with sentinel lymphadenectomy for endometrial carcinoma. The patient was a 61-year-old woman with history of prolonged immunosuppressive therapy due to psoriasis. She presented with an IPA 8 weeks after a robotic-assisted laparoscopic hysterectomy, bilateral salpingo-oophorectomy, and sentinel lymph node dissection. The patient was treated and cured with empiric antibiotics and drainage by interventional radiology. Although infrequent, one must keep IPA as a possible diagnosis in immunosuppressed patients who have undergone dissection of the retroperitoneal space during gynecologic surgery., (Copyright © 2017 American Association of Gynecologic Laparoscopists. Published by Elsevier Inc. All rights reserved.)

Rationale: Psoas abscesses generally arise from a contiguous intra-abdominal or pelvic infectious process or hematogenous spreading of bacteria. The serum β-human chorionic gonadotropin has been used to detect normal or ectopic pregnancy. It also can be utilized in following up carcinomas., Patient Concerns: Here, we reported a case of a 47-year-old woman who presented with a left psoas mass presumptively diagnosed as an abscess secondary to lumbar tuberculosis In addition, the patient had abnormal increase of β-human chorionic gonadotropin. The computed tomography (CT) scan and magnetic resonance imaging (MRI) showed that the 5th lumbar vertebral infection or tuberculosis with left psoas abscess. CT-guided percutaneous biopsy, surgical exploration and biopsy, and F-FDG (fluorodeoxyglucose) positron emission tomography-CT (PET-CT) were used to make a definite diagnosis. The sigmoidoscopy and biopsy were used to further diagnose., Diagnoses: The biopsy of left psoas demonstrated metastatic or infiltrating poorly differentiated carcinoma with secretion of β-human chorionic gonadotropin. The subsequent pathological examination of neoplasm showed the same pathologic morphology., Interventions: Appropriate treatment of infected retroperitoneal mass, systematic chemotherapy and cancer biotherapy for metastatic poorly differentiated carcinoma were taken., Outcomes: Interventions provided little help until the patient died of secondary infection and multiple organ failure., Lessons: This case represents an extremely unusual clinical presentation of metastatic poorly differentiated carcinoma with secretion of β-human chorionic gonadotropin presenting as a psoas abscess. Physicians also need to sharpen their awareness of the potential malignant carcinomas mimicking psoas abscess.

Competing Interests: Conflicts of Interest: None declared.

For colon cancer complicated by iliopsoas abscess, it is unclear whether surgery should be performed prior to abscess drainage. We were able to perform laparoscopic sigmoid resection safely after first draining the abscess. We believed it would be beneficial to avoid surgery in the presence of abscess and inflammation, and the minimally invasive operation was performed after improvements of the patient's general status and inflammation.

Background: Psoas abscess is a rare clinical disease of various origins. Most common causes include hematogenous spread of bacteria from a different primary source, spondylodiscitis or perforated intestinal organs. But rarely some abscesses are related to malignant metastatic disease., Case Presentation: In this case report we present the case of a patient with known squamous cell carcinoma of the cervix treated with radio-chemotherapy three years prior. She now presented with a psoas abscess and subsequent complete inferior vena cava thrombosis, as well as duodenal and vertebral infiltration. The abscess was drained over a prolonged period of time and later was found to be a complication caused by metastases of the cervical carcinoma. Due to the massive extent of the metastases a Whipple procedure was performed to successfully control the local progress of the metastasis., Conclusion: As psoas abscess is an unspecific disease which presents with non-specific symptoms adequate therapy may be delayed due to lack of early diagnostic results. This case report highlights the difficulties of managing a malignant abscess and demonstrates some diagnostic pitfalls that might be encountered. It stresses the necessity of adequate diagnostics to initiate successful therapy. Reports on psoas abscesses that are related to cervix carcinoma are scarce, probably due to the rarity of this event, and are limited to very few case reports. We are the first to report a case in which an extensive and complex abdominal procedure was needed for local control to improve quality of life.

Background: Early postpartum women are more likely to develop tuberculosis than nonpregnant women mainly due to immune reconstitution after delivery. Paradoxical response (PR) during antituberculosis treatment also arises via recovery from immunosuppression. However, no study focused on PR during antituberculosis treatment in a postpartum patient has been reported., Case Presentation: We present two sequential cases (Patient 1: 26-year-old; Patient 2: 29-year-old) of postpartum tuberculosis with pulmonary and extrapulmonary lesions (Patient 1: peritonitis; Patient 2: psoas abscess secondary to spondylitis). Both cases progressed to PR (worsening of pre-existing lung infiltrations (Patients 1, 2) and new contralateral effusion (Patient 2)) in a relatively short time after initiation of treatment (Patient 1: 1 week; Patient 2: 3 weeks), suggesting that immune modulations during pregnancy and delivery may contribute to the pathogenesis of both disseminated tuberculosis and its PR. The pulmonary lesions and effusion of both cases gradually improved without change of chemotherapy regimen., Conclusion: Physicians should recognize PR in tuberculosis patients with postpartum and then evaluate treatment efficacy.

Few published case reports have cited vertebral osteomyelitis as a sequela of a diabetic foot infection. The purpose of the present report is to increase awareness of a potentially severe complication of diabetic foot ulceration: vertebral osteomyelitis and associated pathologic features. We present the case of a 63-year-old male with right calcaneal osteomyelitis who developed acute onset lower back pain with concomitant fever and chills. Magnetic resonance imaging revealed L4-L5 vertebral osteomyelitis, a T9-L1 epidural abscess, and a right psoas muscle abscess secondary to hematogenous seeding from the calcaneus. The patient underwent right partial calcanectomy, spinal and right psoas abscess incision and drainage, and direct lumbar interbody fusion of L4-L5 with a right iliac crest allograft. All bone, blood, and abscess cultures were positive for methicillin-resistant Staphylococcus aureus. After the surgery, the patient's pain resolved in his back and hip and he regained full right lower extremity function. The 1-year follow-up examination revealed that the patient had vertebral arthritis but was able to perform his activities of daily living with a walker and cane. It is important to recognize the potential complications of diabetic foot ulcerations and be aware of the identifying symptoms and treatment options for this condition to prevent significant morbidity and mortality., (Copyright © 2016 American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.)

Objective: To compare two kinds of method for treating lumbar tuberculosis with psoas abscess, to provide reference for clinical reasonable select of therapy treatment., Methods: From January 2010 to January 2013,42 patients with lumbar tuberculosis combined with psoas abscess with obvious surgical indications were enrolled, including 24 males and 18 females with an average age of (38.5 ± 10.2) years old ranging from 21 to 63 years old. All patients were followed up for 18 to 24 months with an average of 20.9 months. Twenty-two patients underwent posterior vertebral body lesions cleared, bone graft fusion and internal fixation and percutaneous puncture catheter drainage for treatment of psoas major abscess as group A, and twenty patients underwent one-stage extraperitoneal approach to remove abscess, posterior vertebral body lesions cleared, bone graft fusion and internal fixation as group B. The operative time, loss of blood, length of hospital stay, clinical cure rate and other clinical results for the two groups were analyzed and compared., Results: The loss of blood was (452.3 ± 137.6) ml in group A and (603.5 ± 99.6) ml in group B, there was significant statistical difference (P < 0.05). The time of operation was (193.6 ± 91.2) min in group A and (230.5 ± 56.6) min in group B, there was significant statistical difference (P < 0.05). The time of operation and the loss of blood in group A were obviously less than which in group B. In group A 20 cases were cured and 2 cases relapsed, 19 cases were cured and 1 case relapsed in group B, there was no significant statistical differences between two groups regarding cure rate with chi-square test (χ² = 0.000, P = 1.000). All patients in two groups obtained good clinical curative effect. There were no significant statistical difference between two groups regarding for length of hospital stay with t-test (P > 0.05)., Conclusion: Lumbar spinal tuberculosis with psoas abscess is not absolute indications for anterior open operation. Compared with the combined anterior and posterior surgical procedure, the percutaneous puncture catheter drainage combined with posterior debridement, interbody fusion and internal fixation can achieve the same clinical effect but less trauma for the patients.

After bone marrow aspiration procedure; some complications like pain and bleeding at the puncture site may be expected but some serious complications like osteomyelitis and soft tissue infections may also rarely occur. In this case we present a boy with recurrent fever. During etiologic investigation, familial Mediterranean fever (FMF) gene M694V mutation was +/+. Patient was treated with oral colchicine however fever persisted. The patient was considered as colchicine resistant FMF and steroid treatment was planned. Bone marrow aspiration procedure was executed to rule out malignancy. Three months after bone marrow aspiration, he was readmitted with complaint of left pelvic pain, difficulty in walking without support and standing on his left foot. Radiological imaging demonstrated left iliopsoas abscess and left sacroiliac osteomyelitis. Patient was successfully treated with intravenous ampicillin-sulbactam and clindamycin treatment for 6 weeks. Then oral amoxicillin-clavulanic acid treatment was continued for 2 weeks. Patient was discharged without any surgical procedure. On 1-year follow-up he could walk without any support.

We describe the first case of a psoas muscle abscess caused by Nocardia beijingensis and subcutaneous phaeohyphomycosis caused by Phaeoacremonium parasiticum in a renal transplant recipient. The patient was treated for nocardiosis with percutaneous drainage and intravenous trimethoprim/sulfamethoxazole (TMP/SMX) combined with imipenem for 2 weeks, followed by a 4-week course of intravenous TMP/SMX and then oral TMP/SMX. During hospitalization for the psoas muscle abscess the patient developed cellulitis with subcutaneous nodules of his right leg. Skin biopsy and cultures revealed a dematiaceous mold, subsequently identified as P. parasiticum by DNA sequencing. The subcutaneous phaeohyphomycosis was treated with surgical drainage and liposomal amphotericin B for 4 weeks followed by a combination of itraconazole and terbinafine. The patient gradually improved and was discharged home after 18 weeks of hospitalization.

Corrosion of modular components at the femoral neck remains a complication of total hip arthroplasty (THA). The authors have found the iliopsoas sign (pain on resisted flexion of the hip) to be suggestive of femoral component corrosion. These cases represented 8 of 120 revision hip arthroplasties (7%) performed at the authors' institution. After the revisions, all iliopsoas tendonitis symptoms resolved. Based on the authors' experience and the recent literature, they recommend that the iliopsoas sign or presentation of a sterile iliopsoas abscess in a previously well-functioning THA be concern for corrosion of the femoral component of the total hip., (Copyright © 2015 Elsevier Inc. All rights reserved.)

Klebsiella pneumoniae liver abscess has a tendency to spread to distant sites early in the course of disease and to involve multiple organs synchronously. A 59-year-old male was admitted because of liver abscess accompanied by fever and abdominal pain. The patient underwent percutaneous catheter drainage and received intravenous antibiotics. Symptom relief was achieved after the treatment as well as marked reduction in the size of the abscess. Despite proper treatment of the liver abscess, however, patient developed multiple metastatic infections in a non-concurrent manner: left and right endophthalmitis, psoas abscess, and infectious spondylitis at 5, 23, 30 and 65 days after initial manifestations of liver abscess, respectively. Each infectious episode followed one another after resolution of the former one. For each episode of metastatic infections, the patient promptly underwent treatment with systemic and local antibiotics, interventional abscess drainage, and surgical treatments as needed. The patient fully recovered without sequelae after the use of intravenous antibiotics for an extended period of time. Herein, we report a case of K. pneumoniae liver abscess complicated with delayed-onset multiple metastatic infections.

A 75-year-old woman was referred to our hospital after a health check-up disclosed abnormal shadows in the bilateral lungs. The patient was admitted to our hospital after being diagnosed with pulmonary tuberculosis. A physical examination showed a mass in the left inguinal area. Enhanced computed tomography revealed that the tuberculosis involved several regions including the lumber vertebrae, iliopsoas muscles, and left inguinal area. A therapeutic regimen consisting of INH, RFP, EB, and PZA was begun. Neuropathy in the lower extremities and dysuria indicated a spinal lesion, and spinal surgery was considered. However, the patient's history indicated that these symptoms were likely due to an iliopsoas abscess rather than a spinal lesion. This hypothesis was confirmed when the patient's symptoms improved with no sequelae after the abscess was drained. Our case demonstrates that spinal lesions as well as iliopsoas abscesses can cause neuropathy, and underscores the importance of obtaining a patient's history to correctly diagnose the disease and determine the appropriate treatment options.

A 65-year-old woman presented with a painful, swollen, red right thigh and the mild pain in the right abdomen without nausea, vomiting or diarrhoea that lasted for 1 week. Laboratory findings revealed elevated inflammatory markers. Computed tomography of the right thigh, abdomen and pelvis showed an abscess formation in the adductor muscles draining from the abscess that completely occupied the right retroperitoneum up to the diaphragm, dissecting downward through the inguinal canal. Appendix was enlarged with an appendicolith. Emergent exploratory laparotomy revealed a perforated appendix with psoas abscess. Pathohistological diagnosis revealed adenocarcinoma of the appendix. Thigh abscess is an uncommon condition with insidious clinical presentation. Therefore, early recognition and setting of the correct diagnosis enables adequate treatment avoiding additional complications and in some cases potential life-threatening conditions. When upper leg abscess is suspected or proven abdominal examination is mandatory.

Simultaneous bilateral presentation of psoas abscess with prosthetic joint involvement is extremely rare. A 68-year-old woman presented to us with bilateral dull aching groin pain of 6 months' duration, which flared up in the past month, associated with pyrexial symptoms. She had undergone bilateral hip replacements in the past with uneventful recovery. MRI showed bilateral psoas muscle collection in communication with the hip joints. Preoperative hip aspirate demonstrated frank pus with positivity on Gram stain and radiographs confirmed prosthetic loosening of bilateral hips. The patient subsequently underwent two-stage revision arthroplasty of both infected hip implants. At 5-year follow-up, the patient remains asymptomatic with good functional outcome and no recurrence on serial MRI., (2015 BMJ Publishing Group Ltd.)

Although rare in the western world; psoas abscess is a frequent finding in Indian sub continent associated with Pott's spine. Untreated Pott's spine may lead to various sequelae like destruction of vertebra, kyphosis, paraplageia etc which in modern world is amenable to anti-tubercular drugs and surgical management. We report a case of untreated Pott's spine with bilateral calcified psoas abscess with kyphosis. To the best of our knowledge no such case of complete bilateral calcified psoas abscesses has been reported earlier. We want to discuss this case with relevant literature review and its influence on treatment plan.