Search Results for: hemangioma

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…a is a neoplasm. Reason: It is a fibrosing dermatitis that goes by a variety of other ill-conceived names such as sclerosing hemangioma, histiocytoma, and fibroma durum; the concept of “metastasizing dermatofibroma” is pure fiction, that…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…a proliferation of them that involutes (e.g., pyogenic granuloma), in a benign neoplasm that does not involute (e.g., cherry hemangioma), and in a malignant neoplasm (i.e., angiosarcoma) as well as to aberrations in structure of blood vessels, such…

Differential Diagnosis in Dermatopathology

Discussions

…y telangiectatic vessels of intradermal Spitz’s nevi causes them to be confused at times with vascular lesions such as hemangioma and pyogenic granuloma (20% of specimens). In only 14% of specimens submitted to our laboratory was a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…necessarily blue. So, too, it is for the frog spawn-like appearance of lymphangiomas and for the cherry red in that type of hemangioma known inaccurately as “senile.” It is important that dermatologists be alert to the effect of color…

Differential Diagnosis in Dermatopathology

Discussions

…esion rarely exceeding 1.0 centimeter in diameter. The early stage of dermatofibroma also has been referred to as sclerosing hemangioma, a misnomer because it is not a hemangioma and early in the course of it never is sclerosing. A papule occurs on…

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…ations, it may be inferred that the vascular changes just described, referred to imprecisely as those of “histiocytoid hemangioma,” represent a pattern histopathologic analogous to those of granular cellularity, flame figures,…