نتایج جستجو برای: morphologic patterns
تعداد نتایج: 470637 فیلتر نتایج به سال:
Lobular carcinoma in situ (LCIS) of the breast may exhibit a spectrum of morphologic growth patterns and may also colonize underl ying benign breast lesions. This diversity in appearance can create diagnostic challenges, especially in core needle biopsy specimens. Some LCIS variants may mimic ductal carcinoma in situ or invas ive carcinoma. Furthermore, some LCIS variants are frequently associa...
BACKGROUND AND AIM Identifying specific gastric mucosal morphologic patterns useful for detecting Helicobacter pylori associated gastritis and correlation with histopathological severity. METHODS The endoscopists classified the C-NBI gastroscopic findings into 5 gastric mucosal morphologic patterns as follows: type 1: regular arrangement of collecting venules, type 2: cone-shaped gastric pits...
The t(2;5)(p23;q35) translocation, associated with anaplastic large-cell lymphoma (ALCL), results in the expression of a chimeric NPM-ALK protein that can be detected by the ALK1 monoclonal antibody. This report describes the morphologic and phenotypic spectrum of 123 cases of lymphoma that all express ALK protein. The results provide strong evidence that the morphologic patterns of ALCL descri...
Background : Diabetic nephropathy is the most common cause of end-stage renal disease and it has various pathologic features. We investigated the clinicopathologic differences between the histologic classes of diabetic nephropathy. Methods : A total of 46 patients with diabetic nephropathy were evaluated. Morphologically, the renal lesions were divided into three categories: class 1, diffuse or...
Introduction A better understanding of early tissue degradation patterns in the aging knee can help to find new targets for osteoarthritis (OA) prevention and treatment. The objective of this study was to identify common and early morphologic patterns of cartilage degradation during human joint aging, and to establish their correlation with changes in anterior cruciate ligament (ACL), meniscus,...
We conducted a combined sclerochronologic and phylogenetic analysis to document patterns and rates of shell accretion in several subclades of related corbulids, and to explore the evolutionary origins of novel conchologic developmental patterns. We found three disparate patterns of valve development in Neogene tropical American corbulid genera. These patterns include growth through primarily ra...
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