Search Results for: dermatofibroma

Histologic Diagnosis of Inflammatory Skin Diseases

A malignant nonepithelial neoplasm (a sarcoma) presumably of perineural fibrocytes that presents itself usually on the trunk, but sometimes elsewhere, such as the extremities, face, and scalp. A papule of it tends to become a plaque, a nodule, a…

Histologic Diagnosis of Inflammatory Skin Diseases

Nodular fasciitis

…rities to dermatofibroma, scar, and keloid, each an example of fibrosing inflammation, it differs from all three, least from dermatofibroma. Like dermatofibroma, mesenchymal cells of nodular fasciitis may display abnormal nuclei in “monster…

Dermoscopic findings in a patient with multiple piloleiomyomas

Dermoscopic findings in a patient with multiple piloleiomyomas

…report and personal considerations. Dermatol Surg. 2004;30(3):421. 6. Puig S, Romero D, Zaballos P, Malvehy J. Dermoscopy of dermatofibroma. Arch Dermatol. 2005;141(1):122. 7. Arpaia N, Cassano N, Vena GA. Dermoscopic patterns of dermatofibroma….

Differential Diagnosis in Dermatopathology

Discussions

…structures that are in contrast to well-differentiated follicular structures sometimes induced by the inflammatory process (dermatofibroma). A follicular papilla accompanies germs above dermatofibroma, but never the germ-like aggregations of…

Differential Diagnosis in Dermatopathology

Discussions

…at. Nuclei are not atypical as a rule and mitotic figures are few or absent. Despite the findings histopathologic in common, dermatofibroma and dermatofibrosarcoma protuberans are confused with one another mostly because their names sound so much…

Differential Diagnosis in Dermatopathology

Discussions

…e nest of melanocytes can be spotted in every desmoplastic Spitz’s nevus, but no nests of any kind ever are spied in a dermatofibroma. The similarities histopathologic between dermatofibroma and desmoplastic Spitz’s nevus are reflected…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…among those being the unalike conditions known as focal mucinosis, myxedema, pretibial myxedema, and scleromyxedema. Error: Dermatofibroma is a neoplasm. Reason: It is a fibrosing dermatitis that goes by a variety of other ill-conceived names such…

Differential Diagnosis in Dermatopathology

Discussions

…anied by serum are contained in endothelium-lined spaces; large numbers of them are not extravasated as they are in an early dermatofibroma. Because a dermatofibroma very early in its course displays numerous dilated venules and many extravasated…