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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

…neoplasms (“acquired” melanocytic nevi) of various specific types, all of which are composed of abnormal melanocytes and manifested clinically as lesions of different colors, shapes, and sizes, among them, macules and patches, papules and…

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

Blue Nevus?

…Eponymic Essential Findings Histopathologic of the Congenital Nevus Zitellis nevus Superficial congenital nevus marked by angiocentricity and adnexocentricity and splaying of melanocytes mostly in the upper half of the reticular dermis Ma…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

Strictly speaking, the term nevus denotes any congenital lesion of skin. Nevocellular nevus, however, refers to any congenital or acquired neoplasm of melanocytes.” Murphy GF, Mihm MC. The skin. In: Pathologic Basis of Disease. 6th ed…

Dermatology Practical & Conceptual

Melanoma arising in a giant nevus spilus maculosus

Abstract Melanoma arising in a nevus spilus is rare. There are two distinct types of nevus spilus characterized by macular or papular speckles, respectively. We report the case of a melanoma that arose in association with a giant nevus spilus maculo…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

“A nevus (mole) is a benign neoplasm of pigment-forming cells, the nevus cell.” Lookingbill DP, Marks JG Jr. Principles of clinical diagnosis. In: Moschella SL, Hurley HJ, eds. Dermatology. 3rd ed. Philadelphia, PA: WB Saunders Co., 19…

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