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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….

Therapeutic Strategies in Dermatology

Melanoma: Initial Evaluation

…highly uneven pigmentation and/or unusual pigmentation (i.e., blue, pink, red, purple). Nodular melanoma (NMM): Typically presents as a solitary nodule that arises from a pre-existing nevus or de novo. They may grow rapidly in thickness without radi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

“Two forms [of blue nevus] exist, the rare being termed ‘cellular blue naevus.’ In the common variety bipolar and dendritic melanocytes lie singly or in masses in the dermis. . . . The cellular type is composed of the same element…

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

Vascular Birthmarks: Key Points

Key Points Vascular birthmarks are cutaneous vascular lesions present at, or shortly after, birth. They may be categorized as vascular tumors or vascular malformations. The term hemangioma has previously been used to describe many common, typicall…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

Initial Evaluation Clinical images show homogeneously hyperpigmented macules and geographic or irregular patches typically located on forehead, zygomatic cheeks, upper cutaneous lip, and nose. Central facial involvement is most common but mandibular…

Dermatology Practical & Conceptual

Blue nevus with a starburst pattern on dermoscopy

…bstract An 11-year-old girl presented to our department with a blue-gray papule approximately 4 mm in diameter. We suspected that it was a blue nevus or a pigmented Reed/Spitz nevus. On dermoscopic observation, the lesion showed homogeneous black-blu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

…om the language of dermatology and pathology and that the term nevus be attended always by a modifier that gives specificity to it, e.g., elastic tissue nevus, nevus comedonicus, nevus anemicus, and Masson’s blue neuronevus. There is no place f…

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