Search Results for: junctional nevus

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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…

Therapeutic Strategies in Dermatology

Epidermolysis Bullosa: Overview

…Regular immunizations should be given. Epidermolysis Bullosa, Junctional All forms of junctional epidermolysis bullosa (JEB) are autosomally recessively inherited. Involvement may be mild (generalized atrophic, localized, and inverse types) or severe…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

…vement may also occur. Differential 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Junctional Activity and Active Junctional Nevus?

“With further maturation junctional activity ceases and the lesion is composed only of dermal nevus cells (intradermal nevus).” Weedon D. Lentigines, nevi, and melanomas. In: Skin Pathology. 2nd ed. New York, NY: Churchill-Livingstone,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…ion. Whereas acquired melanocytic nevi, such as Spitz’s nevus when acquired, tend to advance through junctional, compound, and intradermal stages, congenital nevi do not necessarily begin in the epidermis; they may be wholly intradermal from th…

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