Results 251 to 260 of about 9,024 (264)
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Histiocytic sarcoma of the nasal cavity in a horse
Research in Veterinary Science, 2013Histiocytic diseases in veterinary medicine have been revised in the last few decades, but these are considered relatively rare in horses. This report describes a 9-year-old female horse, Dutch Warmblood, presented for investigation of severe nasal bleeding.
PACIELLO, ORLANDO +4 more
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Atypical histiocytic proliferation with features of histiocytic sarcoma
Pathology, 2013Case report We present a case of an 83-year-old man with axillary lymphadenopathy and PET positive bone-destructive lesions in the sternum and iliac crest. Histology of the lymph node showed a histiocytic proliferation with near-complete effacement of the normal nodal architecture.
Corwin Willys, Mukta Rayoo
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International Journal of Hematology, 2010
A 70-year-old male was admitted because of back pain due to peri-vertebral tumors. The histologic picture of a needle-biopsied tumor specimen showed pleomorphic large cell infiltration into the collagen fibers. On immunohistochemistry, these abnormal cells were positive for CD68, CD163 and lysozyme but negative for CD1a, 21, 30, and S100.
Akiko Matsushita +12 more
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A 70-year-old male was admitted because of back pain due to peri-vertebral tumors. The histologic picture of a needle-biopsied tumor specimen showed pleomorphic large cell infiltration into the collagen fibers. On immunohistochemistry, these abnormal cells were positive for CD68, CD163 and lysozyme but negative for CD1a, 21, 30, and S100.
Akiko Matsushita +12 more
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Histiocytic sarcoma with fatal duodenal ulcers
Pathology - Research and Practice, 2004Histiocytic sarcoma is an uncommon neoplasm of mature histiocytes with very poor outcome. We report an autopsy case of a true histiocytic sarcoma with characteristic symptoms of so-called "malignant histiocytosis of the intestine". The liver and spleen were enlarged, with remarkable tumor cell infiltration in the hepatic sinusoids and splenic sinuses ...
Ger Yih-Chang +9 more
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Histiocytic sarcoma that mimicks benign histiocytosis
Journal of Cutaneous Pathology, 1996A 28‐year‐old man presented with a histiocytic sarcoma of a very uncommon origin, as it had developed for several years like a benign cutaneous histiocytosis resembling generalized eruptive histiocytoma before becoming acute, with nodal and massive pulmonary involvement. Despite various chemotherapies, the patient died within 8 months.
Pierre Dubus +7 more
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True Histiocytic Lymphoma (Monocytic Sarcoma)
The American Journal of Dermatopathology, 1992The clinical, histological, immunophenotypic, and genotypic characteristics of two cases of cutaneous genuine histiocytic lymphoma are described. Both cases presented as cutaneous lesions. Both patients remain alive and free of disease at 26 and 10 months after the diagnosis and after having been treated with polychemotherapy.
B Martínez +5 more
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1990
The gross appearance of histiocytic sarcoma in the mouse varies depending upon the organ involved. Affected mice with the disease die quite suddenly, and the disease is usually only observed at necropsy. The liver is usually uniformly markedly enlarged (2–3 times) and is often mottled (Fig. 71).
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The gross appearance of histiocytic sarcoma in the mouse varies depending upon the organ involved. Affected mice with the disease die quite suddenly, and the disease is usually only observed at necropsy. The liver is usually uniformly markedly enlarged (2–3 times) and is often mottled (Fig. 71).
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Histiocytic sarcoma: a diagnostic challange
Pathology, 2014Histiocytic sarcoma is a rare neoplasm of the lymphoreticular system. Cells show both morphologic and immunophenotypic features of mature tissue histiocytes. The gastrointestinal tract is the most commonly involved, but other sites include skin, soft tissue and lymph nodes.
Jessica Matich +2 more
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1990
The gross appearance of histiocytic sarcoma has not been well characterized since it is usually diagnosed only upon microscopic examination. The sites most frequently affected macroscopically are the liver, lungs, subcutis, lymph nodes, and spleen. The tumors appear as irregular, pale, tan masses or organ infiltrates.
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The gross appearance of histiocytic sarcoma has not been well characterized since it is usually diagnosed only upon microscopic examination. The sites most frequently affected macroscopically are the liver, lungs, subcutis, lymph nodes, and spleen. The tumors appear as irregular, pale, tan masses or organ infiltrates.
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