Nasal papilloma: A comparison between inverted papilloma and oncocytic schneiderian papilloma
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...
متن کاملOncocytic schneiderian papilloma found in a recurrent chronic paranasal sinusitis.
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...
متن کاملUndifferentiated carcinoma in oncocytic Schneiderian papilloma. A rarity.
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...
متن کاملSinonasal oncocytic Schneiderian papilloma accompanied by intravascular lymphoma
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...
متن کاملInverted papilloma (Schneiderian papilloma) with involvement of the oral cavity: report of an unusual case.
Inverted Schneiderian papilloma (ISP) is a neoplasm of epithelial lining origin which arises in the respiratory mucosa that lines the nasal cavity and paranasal sinuses. The inverted Schneiderian papilloma frequently appears as a unilateral lesion in the nasal septum and extends secondarily to the nasal and paranasal sinuses. This paper reports an unusual case of this pathology with involvement...
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ژورنال
عنوان ژورنال: Bangladesh Journal of Otorhinolaryngology
سال: 2012
ISSN: 2304-6244,1728-8835
DOI: 10.3329/bjo.v18i2.12033