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A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

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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.

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 lesio…

A Clinical Atlas of 101 Common Skin Diseases

Melanocytic Nevi and Melanotic Macules

Hamartomas (“congenital” melanocytic nevi) and benign neoplasms (“acquired” melanocytic nevi) of various specific types, all of which are composed of abnormal melanocytes and manifested clinically as lesions of different colo…

A Clinical Atlas of 101 Common Skin Diseases

Epidermal Nevi

Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines….

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, mostly…

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…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

…rential diagnosis Photoallergic / phototoxic contact dermatitis Melanosis of Riehl’s (likely a photo-distributed contact dermatitis) Nevus of Ota, Nevus of Hori (mainly in Asians) Post-inflammatory hyperpigmentation…

Therapeutic Strategies in Dermatology

Pyoderma Gangrenosum: Key Points

…xclusion; inflammatory and infectious conditions may mimic PG-like ulcers. PG may occur in association with an underlying systemic disorder. Treatment of PG requires both management of inflammation and optimized wound care. Advanced lesions may often…

Therapeutic Strategies in Dermatology

Pemphigus Foliaceus, Pemphigus Erythematosus: Overview

…rous than the disease. Pemphigus erythematosus may be treated like pemphigus foliaceus. Treatment First Steps, Limited Disease Apply a superpotent topical steroid cream twice daily for 2-3 weeks, supplemented by intralesional injections of triamcino…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…uration in depth and less cohesion of cells than in the usual Spitz nevus.” Weedon D, Strutton G. Skin Pathology. 2nd ed. New York: Churchill-Livingstone, 2002. By definition, benign neoplasms are incapable of metastasis; only malignant neopl…

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