Search Results for: hamartoma

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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated with other epithelial elements of adnexa in the case of cystic hamartomas.

Dermatoscopy of folliculosebaceous cystic hamartoma

Dermatoscopy of folliculosebaceous cystic hamartoma

…cribed here are characteristic findings in FSCH. References Kimura T, Miyazawa H, Aoyagi T, et al. Folliculosebaceous cystic hamartoma: A distinctive malformation of the skin. Am J Dermatopathol. 1991;13:213-20. Ansai S, Kimura T, Kawana S. A…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…y recognized tumor [sclerotic fibroma] is still unclear. The occurrence of these lesions in Cowden’s disease (multiple hamartoma syndrome) may suggest that this tumor represents a hamartoma of fibrous tissue.” Nogita T, Akiyuoshi E,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

…epithelium and the remainder of it of matrical epithelium. Pilomatricoma, unlike steatocystoma, is a benign neoplasm, not a hamartoma. Another analogue is a true cyst, rather than a cystic part of a hamartoma or of a benign neoplasm, namely, the…

Differential Diagnosis in Dermatopathology

Discussions

…her constituents of epithelium and/or mesenchyme found in normal skin but in abnormal arrangement, i.e., the definition of a hamartoma. Infundibulo-folliculo-sebaceous cystic hamartoma and steatocystoma have many features in common besides their…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…, rather than fracturing of it, as is actually the case. Fibrofolliculoma and trichodiscoma are different names for the same hamartoma at different stages in development of it. At an early stage the hamartoma is named fibrofolliculoma; later the…

Multiple painful brownish plaques associated with local hyperhidrosis

Multiple painful brownish plaques associated with local hyperhidrosis

…a unique clinical and histopathological presentation that should be considered in the differential diagnosis of vascular and hamartomatous lesions. References 1. Naik V, Arsenovic N, Reed M. Eccrine angiomatous hamartoma: a rare multifocal variant…

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