نتایج جستجو برای: cribriform plate
تعداد نتایج: 73961 فیلتر نتایج به سال:
We describe a rare variant of papillary thyroid carcinoma (PTC), the Cribriform-Morular Variant (C-MV). A handful of cases have been described in the literature of this entity. They exhibit the morphologic features of a distinctive papillary neoplasm along with solid, cribriform, and squamoid-morular areas. The cribriform and morular features make this a separate entity which could be mistaken ...
Adenoid cystic carcinoma (ACC) has a 5-year survival rate of 90%. The 15-year survival rate drops to 10% due to recurrence and invasion. ACC has three subtypes: cribriform, tubular, and solid. The cribriform subtype has the best prognosis and the solid subtype has the worst prognosis. By immunohistochemistry of tissue sections, we showed that the solid form expresses αvβ6 integrin and tenascin-...
Cribriform is a histopathological term used to describe a neoplastic epithelial proliferation in the form of large nests perforated by many quite rounded different-sized spaces. This growth pattern may be seen in carcinomas arising in different organs, and shows important prognostic implications. Therefore, recent data in literature suggest that cribriform carcinoma is a histologically and clin...
Abstract Background Radiologic diagnosis of CSF leaks is challenging. We evaluated the diagnostic value non-contrast CT and contrast-enhanced cisternography in identifying presence rhinorrhea site leak as well comparing them to surgical data and/or clinical follow-up. Results Fifty patients (20 males 30 females) were included our study with age ranging from 19 67 years. 76% cases had spontaneou...
The management of newly diagnosed prostate cancer is challenging because of its heterogeneity in histology, genetics and clinical outcome. The clinical outcome of patients with Gleason score 7 prostate cancer varies greatly. Improving risk assessment in this group is of particular interest, as Gleason score 7 prostate cancer on biopsy is an important clinical threshold for active treatment. Arc...
Cerebrospinal fluid (CSF) drains through the cribriform plate (CP) in association with the olfactory nerves. From this location, CSF is absorbed into nasal mucosal lymphatics. Recent data suggest that this pathway plays an important role in global CSF transport in sheep. In this report, we tested the hypothesis that blocking CSF transport through this pathway would elevate resting intracranial ...
Endoscopic skull base surgery has undergone rapid advancement in the past decade moving from pituitary surgery to suprasellar lesions and now to a myriad of lesions extending from the cribriform plate to C2 and laterally out to the infratemporal fossa and petrous apex. Evolution of several technological advances as well as advances in understanding of endoscopic anatomy and the development of s...
A case of giant ethmoid osteoma treated by functional endoscopic sinus surgery is described. The tumour was closely adherent to the surrounding anatomical structures--lamina papyracea, cribriform plate, spheno-ethmoidal recess--and protruded into the nasopharynx. Complete removal of the tumour, under general anaesthesia, using intranasal drill and diode L.A.S.E.R, was achieved. The principal as...
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