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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

…lly. In short, cutaneous cysts, cystic hamartomas, and cystic neoplasms may display more than one type of adnexal epithelium in their lining. That is the case for steatocystoma. When the cystic component of that singular hamartoma is lined mostly or…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dysplasia?

…llace H. Clark Jr.), and dysplastic nevus.” Rhodes AR. Neoplasms benign neoplasias, hyperplasias, and dysplasias of melanocytes. In: Fitzpatrick TB, Eisen AZ, Wolff K, et Al., eds. Dermatology in General Medicine, 4th ed. New York, NY McGraw-H…

Differential Diagnosis in Dermatopathology

Lymphocytoma cutis with lymphoid follicles vs. Follicular-cell lymphoma

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 lesio…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cutaneous T-cell Lymphoma?

…neous T-cell lymphoma (CTCL).” Santa Cruz DJ, Hurt MA. Neoplasms of the skin. In: Sternberg SS, ed. Diagnostic Surgical Pathology. 2nd ed. New York, NY: Raven Press, 1994:94. Cutaneous T-cell lymphoma (CTCL), also known as mycosis fungoides,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pigmented Lesions

…he nail plate and in the dermis beneath it.   Benign Neoplasms Solar lentigo, including lichen planus-like keratosis¬†(466, 467, 468, 469, 470, 647, 648, 771) Nubbins of pigmented keratocytes, some of them typified at times by a small…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

See Classification of Pigmented Lesions

…lary dermal type Nevoid hyperkeratosis of the nipple Benign neoplasms Solar lentigo, including lichen planus-like keratosis Seborrheic keratosis Malignant neoplasms Basal cell carcinoma, pigmented Solar keratosis, pigmented Melanocytic lesi…

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