Zobrazeno 1 - 10
of 13
pro vyhledávání: '"T H, Niemann"'
Publikováno v:
Abdominal Imaging. 25:283-285
Primary angiosarcoma of the spleen is a rare entity, but it is the most common primary splenic malignancy. These tumors demonstrate an aggressive growth pattern and can be single or multiple. The diagnosis should be suspected in a patient who present
Publikováno v:
Human pathology. 31(11)
Diffuse uterine leiomyomatosis is a rare condition distinguished from the common uterine leiomyomata by involvement of the entire myometrium by innumerable, ill-defined, often small and confluent, histologically benign smooth-muscle nodules. Fourteen
Publikováno v:
Archives of pathologylaboratory medicine. 124(8)
Carcinosarcomas of urinary bladder are rare malignant neoplasms. Seventy-eight cases have been previously described. The histologic composition of these tumors is variable, but diagnosis requires the presence of both epithelial and mesenchymal malign
Publikováno v:
Cancer. 87(6)
Evaluation of effusion specimens for the presence of adenocarcinoma often is complicated by the presence of reactive mesothelial cells that can mimic adenocarcinoma. Ancillary studies, in particular immunohistochemistry, can be helpful in making this
Autor:
D Y, Baschinsky, T H, Niemann
Publikováno v:
Archives of pathologylaboratory medicine. 123(12)
Publikováno v:
Cancer. 87(5)
Fine-needle aspiration biopsy (FNAB) is frequently used to diagnose mass lesions in the liver. Differentiating metastatic adenocarcinoma from primary hepatocellular carcinoma can be difficult. Despite a number of morphologic criteria, there remain oc
Publikováno v:
International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists. 18(1)
Two cases of cervical melanosis, an uncommon process characterized by hyperpigmentation of the basal epithelium, with or without accompanying basal melanocytes, are reported. The etiology of cervical melanosis is uncertain but may represent a metapla
Publikováno v:
Acta cytologica. 41(2)
Congenital hepatic fibrosis is an uncommon disease of undetermined etiology that may present clinically with portal hypertension or cholangitis. Histologically the liver is characterized by portal fibrosis and an increase in portal ductal structures.
Publikováno v:
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc. 10(2)
Extrauterine leiomyosarcomas, because of their relative rarity, are poorly understood in regards to their malignant potential and biologic markers. Many human tumors are characterized by overexpression of p53, a tumor suppressor protein, and by expre
Autor:
J H, Hughes, T H, Niemann
Publikováno v:
Diagnostic cytopathology. 15(4)
Cytologic brushing is a safe and specific procedure for diagnosing carcinoma of the distal bile duct and proximal pancreatic duct. The vast majority of these lesions are pure adenocarcinomas. Occasionally, however, other morphologic subtypes may be e