نتایج جستجو برای: morphologic patterns
تعداد نتایج: 470637 فیلتر نتایج به سال:
The incidence of intrahepatic cholangiocarcinoma (iCCA) is highest in Eastern countries, such as Thailand, South Korea, and China, but its mortality are increasing worldwide. Over recent decades, the worldwide age-standardized for iCCA has been steadily increasing, whereas that perihilar CCA distal decreasing. macroscopic growth pattern somewhat different according to anatomic location tumor. c...
BACKGROUND Much of the controversy that surrounds Lyme disease pertains to whether it produces prolonged, treatment-refractory infection, usually referred to as chronic Lyme disease. Some have proposed that round morphologic variants of Borrelia burgdorferi, known variably as "cyst forms" and "L-forms," are responsible for the pathogenesis of chronic Lyme disease. We have undertaken a systemat...
Cytogenetic and molecular analyses are essential disease-monitoring parameters in chronic myelogenous leukemia (CML) treated with imatinib. However, a bone marrow morphologic response has not been defined. We reviewed bone marrow histology and cytology of 39 imatinib-treated patients with CML over 49 weeks and introduced a morphologic response score. A significant positive correlation with a co...
The surgical pathologist's role in the diagnosis of adverse pulmonary and pleural drug effect requires an appreciation of the clinico-radiologic scenario and particular knowledge of morphologic patterns of lung injury. Bronchoscopic biopsies may be helpful in some cases of DAD, eosinophilic pneumonia, or OP. Extrapolating patterns of lung involvement from small biopsies and cytologic preparatio...
Gleason patterns of prostate cancer histopathology, characterized primarily by morphological and architectural attributes of histological structures (glands and nuclei), have been found to be highly correlated with disease aggressiveness and patient outcome. Gleason patterns 4 and 5 are highly correlated with more aggressive disease and poorer patient outcome, while Gleason patterns 1-3 tend to...
We compared the morphologic findings of different types of marginal zone B-cell lymphoma (MZL) involving the bone marrow (BM), including 18 splenic (SMZL), 6 extranodal (mucosa-associated lymphoid tissue lymphoma), and 6 nodal cases. The median percentage of BM involvement was 15%, and multiple overlapping patterns of infiltration were observed in all MZL types. The most frequent patterns were ...
A human ovarian Brenner tumor presenting a wide spectrum of benign and malignant histologic features was studied for its patterns of intermediate filament expression. All epithelial elements of the tumor, regardless of their morphologic type, contained cytokeratins as their only intermediate filament component. Differences were detected, however, between tumor nests that displayed transitional ...
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