Search Results for: spindle-cell hemangioma

Differential Diagnosis in Dermatopathology

Discussions

…and an ever increasing number of plasma cells. As nodules develop, Kaposi’s sarcoma consists of fascicles of oval and spindle cells that involve the entire reticular dermis and, in some lesions, the subcutaneous fat. Erythrocytes, either as…

Differential Diagnosis in Dermatopathology

Discussions

…e of lymphocytes which may be particularly dense at the periphery of the lesion. Mitotic figures occur often in the oval and spindle cells. Multinucleate mesenchymal cells may be present, as well as extravasated erythrocytes and siderophages….

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

…ions revealed epidermal atrophy, increase in melanin in basal keratinocytes and heavy dermal cellular infiltrate composed of spindle-shaped cells arranged in a storiform pattern that extended into the subcutaneous tissue (Figure 2)….

Segmental neurofibromatosis presenting with congenital excessive skin folds

Segmental neurofibromatosis presenting with congenital excessive skin folds

…igure 2. (A) H&E stained tissue section from SNF lesion on the lower back at 10x magnification, showing proliferation of spindle cells in the dermis, arranged in fascicles. The majority of fascicles are wavy and surrounded by stroma consisting…

Histologic Diagnosis of Inflammatory Skin Diseases

Bacillary angiomatosis

…e a jagged outline and that tend to follow pre-existing vascular plexuses. In papules, nodules and tumors, plump oval and/or spindle-shaped cells form fascicles that interweave, erythrocytes being lodged in spaces between those elongated mesenchymal…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…dermis or the upper part of the dermal eccrine duct has thickened consequent to an increase in number greatly of constituent cells, a circumstance referred to generally as “pseucarcinomatous hyperplasia,” we will characterize the change…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Angiolymphoid Hyperplasia with Eosinophilia/Kimura’s Disease?

…Histopathology of the Skin, 7th ed. Philadelphia: JB Lippincott, 1990:714. “The solid nests of epithelioid endothelial cells (albeit in a lone focus) and the hobnail appearance of the cells elsewhere suggested a diagnosis of ALHE…

Pigmented poroma with unusual location and dermatoscopic features

Pigmented poroma with unusual location and dermatoscopic features

…HE, 40X). [Copyright: ©2012 Kassuga et al.] Figure 4. Pigmented poroma. Epithelial aggregate made up of poroid and cuticular cells. The poroid cells have small, round, uniform nuclei and scant cytoplasm and the cuticular cells display larger nuclei…