Search Results for: neurofollicular hamartoma

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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

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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.

A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

…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….

A Clinical Atlas of 101 Common Skin Diseases

Fibrous Papule of the Face and Analogues of It

A hamartoma of mostly follicular elements that presents itself clinically as a firm, skin-colored papule. It usually occurs on the nose, but it can occur anywhere on the face. When solitary, or few, the lesion is termed “fibrous papule,”…

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

Differential Diagnosis in Dermatopathology

Infundibulo-folliculo-sebaceous cystic hamartoma vs. Steatocystoma

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

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…

A Clinical Atlas of 101 Common Skin Diseases

Melanoma

A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate,…

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…

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