Sinonasal (Schneiderian) papilloma of the lacrimal sac
نویسندگان
چکیده
منابع مشابه
Schneiderian papilloma of the sinonasal tract.
The sinonasal tract, lined by ciliated respiratory mucosa (Schneiderian epithelium), gives rise to three distinct papilloma morphologies. Collectively, these lesions are referred to as Schneiderian papillomas and include inverted (∼50%), exophytic (∼47%), and oncocytic (∼3%) types. The tumors are uncommon, with an incidence of about 2.3 cases per 100,000 population. The lesions develop over a b...
متن کاملA Case of Recurrent Schneiderian Papilloma of the Lacrimal Sac Invading the Nasal Cavity
A 44-year-old man presented with a history of chronic epiphora, discharge from the right eye, and a palpable mass in the medial canthal area. Irrigation of the lacrimal system revealed bloody discharge. Orbital magnetic resonance imaging (MRI) showed a well-defined heterogeneous enhanced mass filling the lacrimal sac and upper nasolacrimal duct (NLD). A wide excision and surgical biopsy were pe...
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 کاملOncocytic 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 کاملApplied Endoscopic Anatomical Evaluation of the Lacrimal Sac
Introduction: Dacryocystorhinostomy (DCR), a popular surgical procedure, has been performed using an endoscopic approach over recent years. Excellent anatomical knowledge is required for this endoscopic surgical approach. This study was performed in order to better evaluate the anatomical features of the lacrimal apparatus from cadavers in the Isfahan forensic center as a sample of the Iranian ...
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ژورنال
عنوان ژورنال: Baylor University Medical Center Proceedings
سال: 2019
ISSN: 0899-8280,1525-3252
DOI: 10.1080/08998280.2018.1533357