ONCOCYTIC SCHNEIDERIAN PAPILLOMA OF FRONTAL SINUS
نویسندگان
چکیده
منابع مشابه
Oncocytic Schneiderian papilloma.
Oncocytic Schneiderian papilloma, fungiform papilloma, and inverted papilloma are 3 morphologically separate tumors arising from the Schneiderian membrane. Oncocytic Schneiderian papillomas comprise about 3 approximately 5% of this entity. Old-aged group predominates. No sex predilection is noted. Multi-layered eosinophilic epithelium characterizes this kind of tumor. Exophytic and inverted gro...
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Oncocytic schneiderian papilloma (OSP), also known as cylindrical cell papilloma, is a rare benign sinonasal neoplasm. Due to its rare incidence, this disease is not well-understood by clinicians. The probability of malignancies arising in OSP is not low but they are rarely encountered in clinical practice. To the best of our knowledge, there is no documentation of OSP associated with recurrent...
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INTRODUCTION F-18 fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) is useful for the staging and assessment of treatment response in patients with lymphoma. Occasionally, benign lesions demonstrate avid FDG uptake and result in false positive findings. CASE We report the case of an 82-year-old man presenting with cutaneous lesions, which were histopathologicall...
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The term Schneiderian mucosa refers to the ectodermally derived lining of the nasal cavity and paranasal sinuses, composed generally of stratified ciliated columnar cells, loose abundant lamina propria, and minor salivary glands and their ducts. This unique mucosa may give rise to three distinct histomorphologic papillomas collectively called Schneiderian papillomas. Hyams has described these v...
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Schneiderian papillomas are benign neoplasms of the nasal cavity and paranasal sinuses arising from the surface epithelium which are also associated with malignant transformation. These neoplasms have three subtypes, namely fungiform, oncocytic, and inverted. Oncocytic Schneiderian papilloma is the rarest of the three morphological variants. It usually presents with unilateral intranasal polypo...
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ژورنال
عنوان ژورنال: Acta Medica (Hradec Kralove, Czech Republic)
سال: 2013
ISSN: 1211-4286,1805-9694
DOI: 10.14712/18059694.2014.14