نتایج جستجو برای: metaplasia
تعداد نتایج: 5272 فیلتر نتایج به سال:
HYPOTHESIS Cyclooxygenase 2 (COX-2), vascular endothelial growth factor (VEGF), and epidermal growth factor receptor (EGFR) are useful biological determinants in targeted therapy for esophageal adenocarcinoma. DESIGN Prospective analysis. SETTING University tertiary referral center. PATIENTS Sixteen patients with squamous mucosa and normal results of a pH study without mucosal injury (con...
Biopsy specimens of gastric and duodenal mucosa from 290 patients were examined histologically for metaplasia and Campylobacter pyloridis. Estimates of pH on samples of fasting gastric juice from 55 of the patients were performed, and mucosal biopsy specimens from 33 patients were also cultured for C pyloridis. Active duodenitis was seen in 34 duodenal biopsy specimens. Thirty (88%) of the pati...
•Coelomic metaplasia is considered to be one of the mechanisms resulting in endometriosis.•Intense ceolomic metaplasia resulted in a uterine like mass (ULM) acquiring the structural integrity of a miniature uterus.•ULM might be considered a rare manifestation in the spectrum of endometriosis development.
Chronic Cystitis Associated With Keratinizing Squamous Metaplasia Progressing to Squamous Papilloma☆
We present a patient with extensive keratinizing squamous metaplasia that progressed to squamous papilloma over the course of follow-up. To our knowledge, this is the first published case of keratinizing squamous metaplasia with melanotic deposits of an unknown material with synchronous development of squamous papilloma.
A case of oncocytic metaplasia obstructing the Eustachian tube in an elderly patient is described. Histologically, it was similar to Warthin's tumour of the parotid gland. The lymphocytes were predominantly T cell, unlike those of Warthin's tumour which are predominantly B cell. It is proposed that oncocytic metaplasia represents an early stage in the evolution of Warthin's tumour.
BACKGROUND/AIM It has been reported previously in cases of adenosquamous carcinoma of the lung in Okinawa, a subtropical island 2000 km south of mainland Japan, that the squamous cell carcinoma components were positive for human papillomavirus (HPV) by non-isotopic in situ hybridisation (NISH). The adenocarcinoma cells adjacent to the squamous cell carcinoma components were enlarged and also po...
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