histiocytoma

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histiocytoma

[‚his·tē·ō‚sī′tō·mə]

(medicine)

Benign tumor composed of histiocytes.

Dermatofibroma.

Mentioned in ?

sclerosing hemangioma

References in periodicals archive ?

The differential diagnosis is fairly broad and includes phlegmon/abscess, nerve sheath tumor, synovial sarcoma, fibrous histiocytoma (benign, malignant and angiomatoid forms), angiosarcoma, and fibromatosis.

Epithelioid sarcoma

This tumor's differential diagnoses include adenomyoepithelioma, phyllodes tumor, adenoleiomyoma, fibroadenoma with prominent smooth muscle, fibromatosis, benign spindle cell tumor of the breast, fibrous histiocytoma, myoid hamartoma, myoepithelioma, fibromato-sis-like low-grade metaplastic carcinoma and leiomyosarcoma of the breast (9).

Intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor

The differential diagnosis of retroperitoneal schwannoma includes paraganglioma, neurofibroma, ganglioneuroma, tumors of mesodermal origin and retroperitoneal malignancies (malignant fibrous histiocytoma, lymphoma and liposarcoma) (3).

Retroperitoneal Schwannoma: A Case Report / Retroperitoneal Schwannom: Bir Olgu Sunumu

Cytologic atypia, giant cells in the fibrohistiocytic type and an appearance of a prominent storiform pattern with an SFT may bring malignant fibrous histiocytoma to mind.

Tonsillar solitary fibrous tumour: A interesting rare case

Other differential diagnoses include leiomyosarcoma, fibrosarcoma, rhabdomyosarcoma, malignant fibrous histiocytoma, spindle cell melanoma and metastatic transitional cell carcinoma.

Vulvar sarcomatoid carcinoma- a case report of an unusual variant at an unusual site

Figures 1-3 are depicting microscopic pictures of teratocarcinoma, seminoma and malignant fibrous histiocytoma.

Histopathological spectrum of testicular tumors

4) It is one of the most difficult lesions to diagnose because it can be confused with spindle cell sarcoma, fibromatosis, fibrous histiocytoma, nerve sheath tumors, and pleomorphic adenomas.

Nodular fasciitis of the neck causing emergency: a case report

Malignant changes with fibrous dysplasia include Osteosarcoma, Fibrosarcoma, Chondrosarcoma, Malignant fibrous histiocytoma and Ewings sarcoma.

Monostotic type of fibrous dysplasia of maxilla

As the structures where the tumors originate are diverse, there are various types of soft tissue sarcoma, and the most common types include leiomyosarcoma, liposarcoma and malignant fibrous histiocytoma.

Eisai Presents Results of Additional Analysis of Phase III Study of Anticancer Agent Halaven at 14th JSMO Annual Meeting Plenary Session

The permanent section was positive for CD68, and it yielded a final diagnosis of a high-grade sarcoma consistent with a malignant fibrous histiocytoma with giant cells.

A case of radiation-induced mucosal melanoma in an immunohistochemically S-100-negative patient

The neoplasms commonly associated with external ear include ceruminal gland or sebaceous adenoma or adenocarcinoma, papilloma, ceruminal gland carcinoma, histiocytoma, mast cell tumor, basal cell carcinoma, malignant melanoma and squamous cell carcinoma (Slatter, 2003).

Surgical Management of Squamous Cell Carcinoma of External Ear in a Dog

Sarcomatous de- differentiation (osteosarcoma, fibrosarcoma, malignant fibrous histiocytoma or rarely chondrosarcoma) is occasionally seen (<1%) and is more common in the polyostotic form8.