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Purpose: To evaluate the agreement between pathological and radiological staging in oropharyngeal cancer by comparing the 7th and the 8th edition of the AJCC TNM system., Methods: This retrospective cohort study included 57 cases of oropharyngeal cancer with lymph node metastases staged with the 7th and 8th editions of the AJCC TNM system. Comparison between clinical and radiological features and differences in agreement rates were calculated between radiological and pathological staging for the primary tumor (T) and lymph nodes (N) in HPVpos and HPVneg cases., Results: Comparison of HPVpos and HPVneg revealed a significantly different distribution between early and advanced stages in the 8 th edition, with a relevant number of HPVpos patients redefined from advanced stages whit the 7 th ed. to early stages with 8 th ed. (p < 0.01); no significant differences were found when comparing all diagnostic methods for T and N., Conclusions: The 8th edition of the AJCC TNM seems to lead to better pretreatment staging. For both HPVpos and HPVneg, the agreement between pretreatment radiological and pathological staging., (Copyright © 2022 Elsevier Inc. All rights reserved.)

Background: Retropharyngeal and parapharyngeal abscesses (RPAs, PPAs) usually affect young children. Surgical drainage and/or antibiotic therapy are treatment of choice, but no specific guidelines exist. In order to reduce the risk of severe complications, appropriate diagnosis and therapy are necessary. The aims of the study were to review diagnosis and management of children with RPAs/PPAs and to compare surgical versus medical approach., Methods: This is a multicenter retrospective study including all patients younger than 15 years admitted at 4 Italian pediatric hospitals of Florence, Padua, Rome, and Treviso, with International Classification of Diseases, Ninth Revision discharge diagnosis code of RPAs and PPAs, from January 1, 2008, to December 31, 2016., Results: One hundred fifty-three children were included. The median age was 4.4 years, with overall male predominance. Heterogeneous signs and symptoms (fever, neck cervical, lymphadenopathy, pain, and stiff neck most frequently) and a large mixture of bacteria from pus cultures were detected. Computer tomography (66.7%) and magnetic resonance imaging (27.5%) were performed to confirm the presence of abscess. Fifty-one percent of abscesses were greater than 3 cm. Eighty-seven patients (56.9%) underwent surgery, and 66 (43.1%) were treated with antibiotics alone (mostly ceftriaxone, metronidazole, amikacin, and clindamycin) with median days of therapy of 26.5 days and length of therapy of 16.0 days of median. Median length of stay was 11 days. None had severe complications. Multivariate analysis indicated as independent predictive factors of surgery abscess of 3 cm or greater, high white blood cell count, and-most of all-the hospital of admission., Conclusions: Deep neck abscesses mostly affect patients in early childhood, with a combination of nonspecific signs and symptoms, and it still emerges as a heterogeneous approach in diagnosis and management of these infections. Thus, common shared protocols represent an essential tool in order to standardize care and improve patients' outcomes., Competing Interests: Disclosure: The authors declare no conflict of interest., (Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.)

Introduction: Intracranial epidermoid cysts are the most frequent congenital intracranial lesion. They rare and benign tumors that can present in different clinical situations depending on location and extension of the disease. Diagnosis is obtained with radiological imaging with RM and non-enhanced TC as elective investigating methods. Elective treatment is surgery, based on total/subtotal excision sparring healthy neurovascular structures, considering the benign nature of this lesion., Case Report: In this study we present the case of a 79-year-old woman affected by recidivist epidermal cyst of the posterior fossa. Clinical presentation was characterized by positional subjective vertigo, intense headache localized in the right part of the head increased by Valsalva maneuver and retroarticular subcutaneous swelling. Radiological investigation found a giant epidemoid cyst of the posterior fossa (8,4 x 4,8 x 5,8 cm), treated with surgery. In the postoperative, the patient was fine and no neurological deficit has been encounterd., Review: In this study, we present a review of the literature regarding giant epidermoid cysts of posterior fossa. Only 11 cases were reported before ours, which actually is one of the largest ever described., Competing Interests: Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2021.)

Background: Occupational exposure to chromium is carcinogenic for human respiratory system. Due to the low incidence of sinonasal malignancies, there is still a paucity of evidence to confirm that chromium(VI) exposure is a cause of nasal cancer., Objectives: To report on a sinonasal cancer (SNC) of rare occupational origin, increasing the awareness on epidemiological knowledge of occupational exposures to chromium compounds., Methods: We describe a case of a 64-year-old chrome plater who worked in the galvanic industry in the early 1970s. After a latency period of 39 years, he was diagnosed with sinonasal undifferentiated carcinoma (SNUC). A brief review of the literature was conducted., Results: A thorough occupational history revealed a 4-year-long occupational exposure to chromium(VI) during a magnesium cylinder plating process involved in computer production. The patient underwent endoscopic endonasal removal of the SNUC. He is alive with no evidence of disease at 40-month follow-up. Our literature review identified 8 papers concerning 40 cases of chrome-induced sinonasal tumors. The maximum relative risk of SNC developing in chromium-exposed workers was 15.4., Conclusions: When dealing with patients diagnosed with SNC, the possibility of an underlying occupational risk is worth further investigation. Because chromium exposure is rare, and the incidence of SNUC is low, any information emerging on clinical and exposure-related aspects of SNCs in chrome plating workers can contribute to adding evidence on the possible causal relationship between chromium and sinonasal malignancies.

The maxillary sinus is the most common site of sinonasal inverted papilloma. Endoscopic sinus surgery, in particular endoscopic medial maxillectomy, is currently the gold standard for treatment of maxillary sinus papilloma. Although a common technique, complications such as stenosis of the lacrimal pathway and consequent development of epiphora are still possible. To avoid these problems, we propose a modification of this surgical technique that preserves the head of the inferior turbinate and the nasolacrimal duct. A retrospective analysis was performed on patients treated for maxillary inverted papilloma in three tertiary medical centres between 2006 and 2014. Pedicle-oriented endoscopic surgery principles were applied and, in select cases where the tumour pedicle was located on the anterior wall, a modified endoscopic medial maxillectomy was carried out as described in this paper. From 2006 to 2014 a total of 84 patients were treated. A standard endoscopic medial maxillectomy was performed in 55 patients (65.4%), while the remaining 29 (34.6%) had a modified technique performed. Three recurrences (3/84; 3.6%) were observed after a minimum follow-up of 24 months. A new surgical approach for select cases of maxillary sinus inverted papilloma is proposed in this paper. In this technique, the endoscopic medial maxillectomy was performed while preserving the head of the inferior turbinate and the nasolacrimal duct ("TuNa-saving"). This technique allowed for good visualization of the maxillary sinus, good oncological control and a reduction in the rate of complications.

Transnasal endoscopic management of anterior cerebrospinal fluid (CSF) leak: experience from a large case series., Objectives: Anterior cerebrospinal fluid (CSF) leak is a consequence described after head trauma, skull base surgery or inflammatory diseases, but may also occur spontaneously. Prompt recognition and management is crucial in order to avoid complications and to achieve successful surgical repair. The purpose of this study is to present the clinical features of a large group of patients with anterior CSF leak and the results of their surgical management., Methodology: The study approach was a retrospective review of 110 consecutive patients treated by the same surgeon for CSF leak of the anterior skull base via a transnasal endoscopic approach between 2003 and 2013. Patients with anterior skull base surgery due to cancer or pituitary adenoma were excluded from this study. The diagnostic workup included nasal endoscopy, beta2-transferrin and -trace protein assay in the rhinoliquorrhoea and radiological imaging. The intrathecal fluorescein test was performed in selected cases. The surgical techniques used to repair dural defects were primarily middle turbinate placement and fascia lata grafting., Results: Primary endoscopic repair of the CSF fistula was successful in 106/110 (96.4%) patients. Four patients (3.6%) required a revision procedure due to early failure of the repair. After a minimum follow-up of 24 months, no recurrent CSF leaks were observed in the study group. None of the patients developed meningitis as a surgical complication., Conclusions: The endoscopic transnasal approach is a reliable technique for treating CSF leaks. The intrathecal fluorescein test is safe and helpful in locating the defect. The fascia lata proved the best graft available in our experience.

Background and Aims: Sinonasal cancers (SNCs) are rare neoplasms, accounting for about 3 % of head and neck cancers, with squamous cell carcinoma (SCC) and adenocarcinoma (ADC) as the most common subtypes. ADCs present strong associations with occupational wood dust exposure. Preventive measures have progressively reduced wood dust concentrations in workplaces but no study has evaluated the effectiveness of such interventions. Few studies indicate associations between ADC and exposure to solvents, which is common in the shoe industry, but this hypothesis still needs confirmation., Methods: In a case-case study, we contrasted 32 ADCs against 21 Non-Adenocarcinoma Epithelial Tumors (NAETs) - all recruited from the same clinical setting (Padua's University Hospital; period 2004-2015) - using questionnaires and clinical records to collect information on potential predictors. Non-occupational factors were age, sex, smoking, allergy and chronic sinusitis. Occupational factors were intensity and frequency of wood dust exposure, protection from wood dust, type of wood (in woodworking); frequency of exposure to leather dust or mastic/solvent (in shoemaking). Odds-ratio (OR), 95 % confidence interval (95 % CI) and two-tail p-values were obtained through stepwise backward logistic regression for each industry, always using as reference patients never employed in either trade and adjusting for non-occupational risk factors., Results: Adjusted OR was 22.5 (95 % CI = 3.50-144; p = 0.001) and 9.37 (95 % CI = 1.29-67.6; p = 0.026), respectively, in patients with low or high degree of protection against wood dust. In the shoe industry, adjusted OR was 1 and 18.8 (95 % CI = 1.29-174; p = 0.030), respectively, in patients with low or high exposure to only mastic/solvent; and 1 and 22.5 (95 % CI = 2.07-244; p = 0.011), respectively, in patients with low or high exposure to only leather dust., Discussion and Conclusions: The questionnaire used was able to estimate with simple algorithms past exposures in wood and footwear industries. The case-case design considerably increased the validity of this small study. Results in this study were always consistent with the extant literature; this could support reliability of novel findings. In woodworking, respiratory protective equipment and local exhaust ventilation reduced the risk of occupational SNC; in footwear manufacture, where preventive interventions were seldom adopted, SNC risk was significantly greater for high exposure from mastic/solvent and leather dust.

Objective: Spontaneous cerebrospinal fluid leaks are most commonly located along the anterior skull base. Sphenoidal localization is less common, and clival localization is even rarer. We analyzed a group of patients with spontaneous leaks and selected patients with clival localization. This article discusses surgical management of these entities and provides a brief literature review regarding spontaneous clival leaks., Methods: Of a cohort of 67 patients who presented to our departments with a spontaneous leak during the period 2005-2014, a retrospective data analysis was performed on 6 patients with clival localization of the defect. A skull base repair with a multilayered reconstruction was performed in 3 patients, and a single-layered reconstruction using a pedicled nasoseptal flap was performed in 3 patients., Results: The patients included 6 women with a mean age of 60 years (range, 36-91 years). The mean length of the follow-up period was 69.5 months (range, 22-114 months). The overall success rate of the primary endoscopic repair was 83.3% (5 of 6 patients); this increased to 100% after revision surgery., Conclusions: This series, although numerically limited, suggests that a minimally invasive endoscopic repair of idiopathic clival leaks may be accomplished with an acceptable rate of morbidity and excellent outcomes. Moreover, the pedicled nasoseptal flap has been confirmed to be the "workhorse" for the reconstruction of clival defects., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Objective: Epistaxis is extremely common in children. Although rare, the presence of an intranasal mass as a cause of bleeding should be ruled out in patients with recurrent or massive epistaxis. We present a patient whose recurrent nose-bleeding had been due to a nasopharyngeal mass., Methods: Case report with relevant literature review., Results: A 15-year-old girl with a history of sudden posterior nasal bleeding was diagnosed with thyroid-like low-grade nasopharyngeal papillary adenocarcinoma of the nasopharynx. A type II nasopharyngeal endoscopic resection was performed with an excellent outcome at 30-months follow-up. The literature review on the topic disclosed only five other paediatric cases, none of which presented with epistaxis., Conclusions: Recurrent epistaxis may infer the presence of nasopharyngeal malignant neoplasms, even in children. To our knowledge, this represents the sixth case in the literature of a paediatric low-grade nasopharyngeal adenocarcinoma and the first presenting with massive epistaxis. The possibility of such a finding should be kept in mind when evaluating children with massive epistaxis.

Introduction: Cerebrospinal fluid (CSF) rhinorrhea can lead to CNS infections, carrying significant morbidity and mortality, especially in the elderly. Endoscopic endonasal surgery is a validated technique in the repair of anterior skull base CSF leaks. The aim of this study is to assess diagnostic management, surgical technique and clinical outcome in a consecutive series of elderly patients., Methods: Patients older than 65 years treated for anterior skull base CSF leaks through endoscopic endonasal surgery between 2003 and 2014 were retrospectively reviewed. All patients underwent preoperative nasal endoscopy, laboratory and radiological assessment. In doubtful cases endoscopic exploration was performed after intrathecal fluorescein (IF) injection. Patients were discharged between 3 and 4 days after surgery, and the endoscopic follow-up ranged from 3 to 24 months., Results: 20 patients (age range 65-92) presented with 10 spontaneous and 10 traumatic/iatrogenic CSF leaks. In 40% of patients formal rhinoscopy and radiological assessment did not localize the CSF leak and IF injection was performed. IF enabled the identification of the skull base defect in all cases, with no adverse effects. In 11 cases the dura was repaired with fascia lata graft. All patients had successful endoscopic repair of the CSF fistula with no complications nor recurrences during follow-up., Conclusion: Endoscopic endonasal surgery is a minimally invasive procedure for CSF leak treatment. In our experience, IF injection proved safe and efficient in detecting skull base defects not identified by preoperative imaging. Endoscopic endonasal surgery proved effective and reliable also in elderly patients, with short hospitalization times and no morbidity., (Copyright © 2015 Elsevier B.V. All rights reserved.)