Search Results for: small congenital 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

…ted usually on the scalp. The condition may present itself as a solitary lesion or as multiple lesions that follow Blaschko’s lines and, when systematized, is almost always associated with other congenital abnormalities….

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…

Therapeutic Strategies in Dermatology

Granuloma Annulare: Key Points

…of GA remains unknown. There are limited data regarding a genetic/inheritable risk for GA, although single case reports and small case series have identified siblings and first-degree relatives with GA in some patients. One report identified…

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….

Therapeutic Strategies in Dermatology

Leukocytoclastic Vasculitis: Key Points

…asculitis should be diagnostically evaluated. Cutaneous LCV may be associated with internal organ involvement, especially of small vessels of the brain, lungs, kidney, and gastrointestinal system, and the morphology and severity of the skin disease…

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,…

Therapeutic Strategies in Dermatology

Syphilis (Lues): Key Points

…olvement Neurosyphilis Cranial nerve dysfunction, meningitis, stroke, altered mental status, general paresis, tabes dorsalis Congenital syphilis Saddle nose Saber shin, Clutton’s joints, Higoumenakis sign, hepatosplenomegaly, neurosyphilis,…

Therapeutic Strategies in Dermatology

Chondrodermatitis Nodularis Helicis: Key Points

…nclude solar (actinic) keratoses, cutaneous horns, verruca vulgaris (warts), gouty tophi, or other cutaneous malignancies. A small skin biopsy is sometimes performed to confirm the diagnosis and exclude those common cutaneous malignancies….

Therapeutic Strategies in Dermatology

Vascular Birthmarks: Key Points

…a distinct natural history; they are present at birth and often persist throughout life. Most are benign lesions, such as a nevus simplex (a.k.a. salmon patch) or a port-wine stain. However, some represent a manifestation of a syndrome with…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

…Central facial involvement is most common but mandibular involvement may also occur. Differential diagnosis Photoallergic / phototoxic contact dermatitis Melanosis of Riehl’s (likely a photo-distributed contact dermatitis) Nevus of Ota, Nevus

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