Search Results for: large 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…

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

Lymphomatoid Papulosis

Macaulay first coined the diagnostic term “lymphomatoid papulosis” (LyP) in 1968, although the disease process was first published more than a decade earlier by Dupont and colleagues under the moniker “histiomonocytic reticulosis.” LyP is a rare…

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,…

A Clinical Atlas of 101 Common Skin Diseases

Lymphomas (Other Than Mycosis Fungoides and Lymphomatoid Papulosis)

…atches, papules and plaques, and nodules and tumors that may appear on any anatomic site. Included among them are anaplastic large-cell lymphoma and panniculitis-like T-cell lymphoma. Anaplastic large-cell lymphoma of T-cell type usually occurs as a…

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

Therapeutic Strategies in Dermatology

Lymphomatoid Papulosis: Overview

…ent of cutaneous and systemic lymphomas. Routine and regular evaluations are required. Any lesion of LyP that continues to enlarge and does not autoinvolute must be biopsied to rule out the development of anaplastic CD30+ large cell lymphoma. Oral…

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