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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

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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

…ook Co., 1993:998. “Histologically, the present case of halo congenital nevus undergoing spontaneous regression showed a marked inflammatory infiltrate with remnants of original nevus cell nests.” Tokura Y, Yamanaka K, Wakita H, et al….

Therapeutic Strategies in Dermatology

Melanoma: Initial Evaluation

Initial Evaluation Clinical variants of melanoma: Superficial spreading melanoma (SSM): The most common form of melanoma, and typically presents with irregular borders, highly uneven pigmentation and/or unusual pigmentation (i.e., blue, pink, red,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Halo Phenomenon?

“This study supports the concept that the halo nevus should not be regarded as a single clinicopathological entity, but rather that the halo phenomenon occurs in a wide spectrum of nevus types exhibiting a wide spectrum of histological atypia…

Therapeutic Strategies in Dermatology

Aphthous Ulcers (Recurrent Aphthous Stomatitis, Canker Sore): Key Points

Key Points Recurrent aphthous ulcers are the most common oral ulcerative ailment, which classically appear as shallow, round or oval ulcers with an inflammatory edge and a faint pseudomembrane. Diagnosis may be made by history and physical exam alo…

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