fibrous histiocytoma

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A slowly growing benign skin nodule consisting of poorly demarcated cellular fibrous tissue enclosing collapsed capillaries, with scattered hemosiderin-pigmented and lipid macrophages. The following terms are considered by some to be synonymous with, and by others to be varieties of, dermatofibroma: sclerosing hemangioma (2), fibrous histiocytoma, nodular subepidermal fibrosis.

fibrous histiocytoma

benign fibrous histiocytoma

A benign tumour composed of primitive mesenchymal cells (macrophages or histiocytes) seen in the skin and soft tissues of the legs of young to middle-aged patients, more commonly women, usually in relation to skeletal muscle.


composed of or containing fibers.

fibrous bone
cardiac fibrous skeleton
includes a ring around each of the atrioventricular valves and each of the great arteries leaving the heart; between the rings are the right and left fibrous trigones.
fibrous dysplasia
localized overgrowth of fibrous tissue in bone.
fibrous feeds
feeds high in fiber, cellulose and lignin.
fibrous growth plates
growth plates composed of fibrocartilage such as that for the tibial tubercle.
fibrous histiocytoma
see malignant fibrous histiocytoma.
fibrous hyperplasia
indistinguishable clinically from fibromatous epulis.
fibrous joint
1. a joint whose bony elements are united with fibrous tissue. See suture (1), syndesmosis.
2. stiffness in a joint due to fibrous tissue reaction in the joint capsule and other supporting structures.
fibrous osteodystrophy
fibrous rings
bands of fibrous tissue surrounding the semilunar valves of the aorta and pulmonary artery and the atrioventricular valves.
fibrous tissue
the common connective tissue of the body, composed of yellow or white parallel elastic and collagen fibers.
References in periodicals archive ?
However, dedifferentiated liposarcoma, low grade fibromyxoid sarcoma, deep benign fibrous histiocytoma, malignant peripheral nerve sheath tumour, (Sarcomatoid) mesothelioma, schwannoma, gastrointestinal stroma cell tumour, synovial sarcoma and leiomyoma were negative for STAT6.
Giant malignant fibrous histiocytoma of the testis/spermatic cord: Psychologic and possible etiologic complications of unethical Nazi medical experimentation.
Malignant fibrous histiocytoma (MFH) is an unusual type of renal sarcoma and is believed to arise from primitive mesenchymal cells that demonstrate both histiocytic and fibroblastic differentiation.
On the basis of cellular morphology a diagnosis of malignant fibrous histiocytoma was made.
Malignant fibrous histiocytoma (MFH) was 1 first described by O'Brien and Stout in 1964 .
Atypical fibrous histiocytoma with aberrant cytokeratin-5/6 expression.
KEY WORDS: Mesenchymal tumor, Fibrous histiocytoma, Upper extremity, Infant.
The most important differential diagnoses of SFT are fibromatosis, fibrous histiocytoma, fibrosarcoma, synovial sarcoma, and scirrhous metastatic carcinoma [1,20].
Surgical Treatment of Malignant Fibrous Histiocytoma in the Left Atrium and Pulmonary Veins: Report of a Case.