منابع مشابه
Aneurysmal and haemangiopericytoma-like fibrous histiocytoma.
AIM To describe the clinicopathological features of 33 aneurysmal fibrous histiocytomas (AFH), including five cases with a haemangiopericytoma-like pattern. METHODS Thirty three cases of AFH were studied by using routine histology and immunohistochemistry for factor XIIIa, the "cell activity marker" E9 (anti-metallothionein), NK1C3 (CD57), smooth muscle actin (SMA), factor VIII, ulex europaeu...
متن کاملAneurysmal benign fibrous histiocytoma with atrophic features.
Aneurysmal benign fibrous histiocytoma is an uncommon pathologic variant of dermatofibroma. In addition to the features of a typical dermatofibroma, it has large cleft-like or cavernous blood-filled spaces with numerous hemosiderin pigments. It should be differentiated from angiomatoid malignant fibrous histiocytoma, malignant melanoma, and vascular tumors such as Kaposi's sarcoma and angiosarc...
متن کاملAneurysmal Fibrous Histiocytoma in Nasal Vestibule Mucosa
Aneurysmal fibrous histiocytoma is a different variant of dermatofibroma, characterized by blood-filled spaces within the fibroblastic tumor. In addition to the typical features of a dermatofibroma, it contains large cleft-like or cavernous blood-filled spaces with numerous hemosiderin pigments. This tumor accounts for less than 2% of all fibrous histiocytomas, and it is typically known to occu...
متن کاملAneurysmal ("angiomatoid") fibrous histiocytoma in a child.
A case of aneurysmal ("angiomatoid") fibrous histiocytoma (AFH) in a 12-year-old girl is presented with its unusual clinicopathologic features. The lesion had the full microscopic characteristics of AFH described in prior reports, but it also had some features that differed from the original description of the disorder, such as the involvement of subcutis, its occurrence in the scalp, and a doc...
متن کاملRecurrent Painful Perianal Subcutaneous Angiomatoid Fibrous Histiocytoma
Angiomatoid fibrous histiocytoma (AFH) is a rare, lowgrade malignant soft-tissue tumor most commonly occurring in the extremities of children and young adults and has a low potential of local recurrence and metastasis. Here, we present a case of recurrent subcutaneous perianal AFH. After an initial diagnosis as a sebaceous cyst, we were able to use immunohistochemical findings to correctly iden...
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ژورنال
عنوان ژورنال: Journal of Clinical Pathology
سال: 2004
ISSN: 0021-9746
DOI: 10.1136/jcp.2003.010967