Spontaneous Cholangiofibrosis in a Wistar Rat
نویسندگان
چکیده
منابع مشابه
A transplantable spontaneous chloroleukemia in the Wistar rat.
Spontaneous chloroleukemia occurred in three adult members of a colony of Wistar rats. The chloroleukemia from one of these rats has been maintained in random-bred Wistar rats by inoculating tumor cells from leukemic donors into suckling rats. This report describes the course and manifestations, hematology, and pathologic changes of this transplantable chloroleukemia through ten serial subtrans...
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Craniopharyngiomas are extremely rare epithelial tumors of the sellar region in human beings and domestic and laboratory animals. A craniopharyngioma, 0.6 cm in diameter, was observed grossly in the sellar and parasellar regions of an untreated 23-month-old male Wistar-derived rat sacrificed moribund. The tumor was composed of cords, columns, and nests of neoplastic stratified squamous epitheli...
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A subcutaneous mass was noted in the abdomen of a 50-week-old male Wistar Hannover GALAS rat. Histologically, the tumor was composed of vimentin-positive small round cells with scant cytoplasm arranged in a trabecular, sheet or pericytoma-like pattern and spindle cells arranged in a bundle pattern and vimentin-negative round cells proliferating in an island-shaped pattern. Argentophilic thin fi...
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Spontaneous massive infarction of mammary gland tumors has been reported to occur infrequently in humans. A subcutaneous mass (18 × 17 × 10 mm) was observed in the right axilla extending to the chest region of a 110-week-old female Wistar Hannover GALAS rat. Histopathologically, a well-circumscribed mass with lobular structures was present in the subcutis. Most of the mass was occupied by exten...
متن کاملA spontaneous ascites tumor originating and transplantable in the Wistar rat.
tumor which would be transplantable in a non-inbred strain of rats as widely used as the Wistar strain, the authors have, in the course of the past several years, transplanted a number of spontaneous tu mors originating in Wistar rats. None of these transplants, however, survived the first passage. Recently, an adult Wistar rat with a spontane ous ascites tumor was brought to the attention of t...
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ژورنال
عنوان ژورنال: Toxicologic Pathology
سال: 2019
ISSN: 0192-6233,1533-1601
DOI: 10.1177/0192623319842549