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Introduction: Bilateral silent sinus syndrome (SSS) is a very rare pathology reported only in few papers in literature. Most of the described cases are simultaneous, and only one had a metachronous presentation. The evolutionary phases of the disease have yet to be well demonstrated and a complete radiological evaluation is needed to demonstrate the pathogenetic mechanisms that cause the disease. Case Report: A 45-year-old male presented with a left SSS and a bilateral concha bullosa. He developed a contralateral SSS two years after an endoscopic uncinectomy and re-ventilation of the diseased maxillary sinus. This case is the second reported in literature with a metachronous presentation. A pure endoscopic approach has led to the resolution of symptomatology and the full restoration of the ventilation of the maxillary sinuses. The key role of the uncinate process in the genesis of the pathology has been well demonstrated by the onset of a contralateral SSS in a normally developed maxillary sinus thanks to a complete radiological follow-up. Conclusion: Bilateral presentation is a rare entity; however, it should be considered in patients with SSS. A minimal endoscopic uncinectomy could also prevent the onset of the disease on the healthy side. [ABSTRACT FROM AUTHOR]

Objective The aims of the present study were to evaluate the clinical significance of the delay for surgical treatment and the prognostic value of other clinical, pathologic, and microbiological variables among hematologic patients affected by acute invasive fungal rhinosinusitis (AIFRS). Furthermore, we propose our early diagnosis and treatment protocol, reporting its 10-year results. Study Design Monocentric retrospective analysis. Setting The study was conducted from 2001 to 2017 at the University Hospital of Bologna, Italy. Subjects and Methods The impact of time to treatment and clinical, pathologic, and microbiological variables were analyzed among patients with histologically and microbiologically proven AIFRS. The outcomes of patients treated before the introduction of the early diagnosis protocol were compared with those treated afterward. Results Nineteen patients affected by AIFRS were eligible for the study. Treatment delay >4 days ( P = .002), infection caused by Mucorales ( P = .015), and extension of the disease were negative prognostic variables ( P = .017). The application of our protocol significantly reduced the delay for diagnosis and appropriate treatment by an average of 7.3 days ( P = .02). Conclusion The promptness of the diagnosis and surgical treatment may play a significant role in the management of AIFRS, as it appears to be significantly associated with the disease outcome. Our protocol may help to reduce the time required for diagnosis of high-risk hematologic patients. [ABSTRACT FROM AUTHOR]

Pleomorphic salivary adenomas are the most common benign neoplasms affecting the salivary glands. Very occasionally however, metastatic lesions are identified in patients with a history of PSA, which, on detailed pathological evaluation, are found to exhibit all the histological hallmarks of the preceding benign lesions. Diagnosis of benign metastasizing pleomorphic adenoma of the salivary gland is extremely rare and still under debate. We present the first case-report in literature of multiple metachronous nasal cavity, scalp and encephalic metastases of a pleomorphic adenoma of the parotid gland in a young girl. [ABSTRACT FROM AUTHOR]

Objective Postoperative infection is a potentially dramatic consequence in endoscopic endonasal surgery. The aim of this study was to assess the efficacy of our intraoperative antibiotic prophylaxis by analyzing the risk factors of postoperative meningitis in our series. Methods Each endoscopic endonasal procedure performed since 1998 in patients with no preoperative infections and a follow-up longer than 30 days were included and retrospectively reviewed. Antibiotic protocol consisted in single antibiotic administration of ampicillin/sulbactam 3 g or cefazolin 2 g on induction; no postoperative administrations were performed after 2005. All cases of cerebrospinal fluid (CSF) leak, meningitis, and systemic infection were recorded. Results Two thousand thirty-two procedures matched the inclusion criteria (median age 50 years; range: 1–89 years, male/female ratio: 1:1.12). Intraoperative CSF leak occurred in 32.8% of the cases and postoperative CSF leak in 3.4%. The rate of meningitis was 0.69%; other systemic infections were observed in 0.44% of cases. Meningitis was statistically associated with intra- and postoperative CSF leak ( P < 0.001). Other risk factors were the intradural extension of the tumors and their malignant histology. Extended approaches producing wide osteodural defects were correlated with a greater risk of meningitis ( P < 0.001). Conclusions All surgical maneuvers to prevent, detect, and quickly repair intra- and postoperative CSF leak are crucial to avoid postoperative meningitis. The proposed prophylaxis protocol is comparable in safety to those recommended in literature as assessed by the low rate of meningitis. [ABSTRACT FROM AUTHOR]