Search Results for: spindle-cell hemangioma

Differential Diagnosis in Dermatopathology

Discussions

…nules, and multinucleate cells in the dermis are findings expected. An occasional mitotic figure may be seen in the oval and spindle-shaped cells. The key to differentiating dermatofibroma from desmoplastic Spitz’s nevus is recognition in the…

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….

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…

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)….

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…

Confusion—specimen mix-up in dermatopathology and measures to prevent and detect it

Confusion—specimen mix-up in dermatopathology and measures to prevent and detect it

…CrossRef 13. Swetter SM, Boldrick JC, Pierre P, Wong P, Egbert BM. Effects of biopsy-induced wound healing on residual basal cell and squamous cell carcinomas: rate of tumor regression in excisional specimens. J Cutan Pathol. 2003;30(2):139-46. 14….

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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…y. 5th ed. Oxford, England: Blackwell Scientific Publications, 1992:1516. “Tumors are best classified according to the cell type from which they take origin. In some instances where the type of the cell of origin has not been definitely…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…scularity, hemorrhage/hemosiderin deposition, degree of sclerosis (a feature of later stage lesions), and types of composite cells (giant cells, atypical cells, lipid-laden histiocytes, etc.).” Barnhill RL. Textbook of Dermatopathology. New…