Search Results for: melanocytes

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A Clinical Atlas of 101 Common Skin Diseases

Melanocytic Nevi and Melanotic Macules

…benign 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,…

A Clinical Atlas of 101 Common Skin Diseases


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,…

A Clinical Atlas of 101 Common Skin Diseases


An inflammatory process that is idiopathic and results in depigmentation of the skin consequent to loss of melanocytes from the epidermis, and in whitening of hair that follows loss of melanocytes from the bulb of follicles.

A Clinical Atlas of 101 Common Skin Diseases


…ird of the face, vertically and horizontally, distributed symmetrically and occurring mainly in postpubescent women as a consequence of the combined effects of estrogen and ultraviolet light on melanocytes….

Therapeutic Strategies in Dermatology

Melanoma: Key Points

…e management of metastatic melanoma and extend survival for affected patients. Introduction Melanoma is a malignant tumor of melanocytes residing in skin, mucosal sites, eye, and meninges. In the United States, the incidence is 10-25 per 100,000…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Key Points

…er cutaneous lip. It results from increased epidermal melanin pigment in the epidermis, dermis, or both; increased number of melanocytes or dermal melanophages in the dermis may also result in melasma. It usually appears in association with estrogen…

Histologic Diagnosis of Inflammatory Skin Diseases


…on of the body, being more numerous in the skin of the face (up to 2,900 melanocytes per mm2) than on the trunk (up to 1,250 melanocytes per mm2). Figure 1.62 Epidermal melanocytes, when viewed through a conventional microscope, appear as…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…by the presence in the dermis (and sometimes in tissues beneath it) of at least some markedly pigmented, bipolar, dendritic melanocytes and by the absence of discrete nests of melanocytes from the epidermis and the dermis. Our cumbersome definition…

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