نتایج جستجو برای: hypopharynx
تعداد نتایج: 1889 فیلتر نتایج به سال:
Fibroepithelial polyps are benign polypoid lesions arising from the mesodermal tissue and composed of varying amounts of stroma covered by squamous epithelium. We report the unusual case of a 57 years old man who visited our Hospital with complains of airway obstruction and uneasy feeling like a foreign body deep in his throat. After medical examination we find a large mass on the right side of...
Biodegradable polyurethane is an ideal candidate material to fabricate tissue engineered hypopharynx from its good mechanical properties and biodegradability. We thus synthesized a hydrophilic polyurethane via reactions among polyethylene glycol (PEG), e-caprolactone (e-CL) and hexamethylene diisocyanate (HDI), and thrihydroxymethyl propane (TMP). The product possessed a fast degradability due ...
Spindle cell carcinoma (SpCC) is a rare and unusual biphasic malignant tumor, which involves sarcomatoid proliferation of pleomorphic spindle cells and squamous cell carcinoma. There are various reports on the clinical and pathological findings of SpCC in the head and neck; however, this type of tumor remains uncommon in the larynx and hypopharynx. The histogenesis of SpCC has been the subject ...
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