نتایج جستجو برای: sinonasal teratocarcinosarcoma
تعداد نتایج: 2903 فیلتر نتایج به سال:
Adenoid cystic carcinomas, formerly known cylindromas, were originally described by Foote and Frozell 1953. These are epithelial malignancies that develop at the expense of salivary glands, other rare localizations have been described in particular in the oral cavity, the sinonasal tract, lacrimal glands or nasopharynx. Clinical and radiological signs are not specific, and are common to all sin...
Introduction: Supernumerary teeth are frequently reported in dental clinical practice; however, eruption in nasal cavities and paranasal sinuses is an extremely rare clinical entity. Case Report: We report two cases with a history of recurrent nasal discharge and obstruction. In both cases, clinical and radiological findings confirmed the presence of an inverted supern...
BACKGROUND Primary sinonasal mucosal melanomas are aggressive tumors with a poor clinical control by current treatments, raising the urgent need of novel strategies. METHODS By fluorescence in situ hybridization (FISH), direct sequencing, and immunohistochemistry, we investigate the spectrum of molecular abnormalities in a cohort of 32 cases of primary sinonasal mucosal melanomas. RESULTS W...
OBJECTIVE To describe the clinico-pathologic manifestations of sinonasal malignancies, identify the contributing factors to delay in presentation and recommend ways of preventing them in a resource challenged environment. DESIGN A questionnaire based cross sectional descriptive study of patients with sinonasal malignancies between 2006 and 2011. SETTING Hospital based study at the Otorhinol...
BACKGROUND AND PURPOSE A dacryocystocele forms when tears accumulate within the lacrimal sac as a result of an obstruction more distally in the lacrimal drainage apparatus, which may occur as a complication of sinonasal surgery. The purpose of this study was to define the imaging characteristics of a postoperative dacryocystocele occurring after surgery for sinonasal cancer and to review the an...
Objectives To describe the presentation, work-up, and management of patients with metastatic renal cell carcinoma (RCC) to the sinonasal cavity and skull base, and to describe our current treatment algorithm of endoscopic surgical resection followed by radiation therapy. Design Retrospective review of two recent cases from our institution over a 1-year period, with a relevant review of the lite...
Sir, Primary sinonasal mucosal melanomas are uncommon, aggressive tumours. Similar to other malignancies, nasal melanomas frequently metastasize to the lymph nodes, lungs, liver and bone. However, skin metastases are very rare (1). We report here a patient with amelanotic melanoma originating from the sinonasal mucosa who rapidly developed multiple skin metastases and the diagnosis was confirme...
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