Search Results for: hamartoma

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…gn mesenchymal melanoma, blue neuronevus, chromatophoroma, melanofibroma, blue nevus of Jadassohn-Tieché, pilar neurocristic hamartoma, and dermal melanocytoma.” Rhodes AR. Neoplasms: benign neoplasias, hyperplasia, and dysplasias of…

Histologic Diagnosis of Inflammatory Skin Diseases

Definition of Inflammation in Historical Perspective

…howian pathology, inflammation is one of the fundamental manifestations of disease, the others being neoplasia, hyperplasia, hamartoma, malformation, degeneration, and cyst. With regard to the skin, Ferdinand Hebra, in the third volume of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blaschkitis?

…chkitis is a distinct entity which corresponds neither to a known inflammatory dermatitis in the lines of Blaschko nor to an hamartoma nor to an X-linked disease. Cutaneous antigenic mosaicism, the expression of which might be induced by a viral…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…Medicine. 4th ed. New York, NY: McGraw-Hill International Book Co., 1993:874. Tumors of cutaneous appendages Eccrine tumors Hamartomas and benign tumors Eccrine hamartomas Eccrine hidrocystoma Papillary eccrine adenoma Syrigoma Eccrine mixed tumor…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Verruciform Xanthoma?

…injury of some type, such as an infection by papillomavirus (the end stage of a verruca that involuted); an alteration in a hamartoma, e.g., an epidermal nevus; a repeated insult, e.g., blisters of recessive dystrophic epidermolysis bullosa; and a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

…hat of a normal apocrine gland, marked as it is by notable “decapitation secretion.” The cystic component of the hamartoma known as steatocystoma is lined by epithelium just like that of a sebaceous duct, namely, a thin epithelium that…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…TL. Stedman’s Medical Dictionary. 25th ed. Baltimore, MD: Williams & Wilkins, 1990:1020. “Lastly, neoplastic-hamartomatous cutaneous mucinosis include mucinous nevus, a benign hamartoma, and myxoma, which is a benign tumor to be…

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

…munhistochemical staining is important to distinguish DFSP from atrophic dermatofibroma and medallion-like dermal dendrocyte hamartoma. While DFSP cells are positive for CD34 and negative for factor XIIIa, atrophic dermatofibroma cells are usually…