Search Results for: circumscribed precancerous melanosis of dubreuilh

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A Clinical Atlas of 101 Common Skin Diseases


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An inflammatory process that develops secondary to trauma, usually in the form of a penetrating injury or rupture of a follicle, and that proceeds through stages of granulation tissue with numerous extravasated erythrocytes, granulomatous inflammation, and fibrosis.

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibrosarcoma Protuberans

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A malignant nonepithelial neoplasm (a sarcoma) presumably of perineural fibrocytes that presents itself usually on the trunk, but sometimes elsewhere, such as the extremities, face, and scalp.

A Clinical Atlas of 101 Common Skin Diseases


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A constellation of lesions that represent disorders of melanocytes (e.g., axillary “freckles” and café au lait “spots”) and of proliferations of Schwann cells (e.g., papules, nodules, and tumors of neurofibroma).

A Clinical Atlas of 101 Common Skin Diseases

Pruritic Urticarial Papules and Plaques of Pregnancy

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An inflammatory process in pregnant women near term that consists of urticarial papules and plaques, especially on the trunk and particularly in association with lesions of striae atrophicantes, the lesions disappearing shortly after parturition.

Therapeutic Strategies in Dermatology

Actinic Keratosis (a.k.a. Solar Keratosis): Key Points

Key Points Actinic keratoses (AKs) are the most common epithelial precancerous skin lesions. They present as scaly, erythematous, ill-defined papules on sun-exposed areas. A small percentage of AKs may progress to non-melanoma skin cancer (NMSC)…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Key Points

Key Points Facial melanosis (also known as melasma) is a very common condition. In the USA, 5 to 6 million individuals are affected. Melasma usually appears in association with oral contraceptive (OCP) use or pregnancy (“chloasma,” or…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

…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 of Hori (mainly in Asians)…

Therapeutic Strategies in Dermatology

Oral Hairy Leukoplakia: Treatment

…dney and decrease renal function, so renal function tests should be followed. HIV-positive individuals also may develop true precancerous or cancerous leukoplakia like oral lesions. The diagnosis of OHL should be considered only when in its…

A Clinical Atlas of 101 Common Skin Diseases


…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 shades of brown. A patch may become a…

A Clinical Atlas of 101 Common Skin Diseases


…diseases clinically, e.g., “eczematous dermatitis,” “disorders of cell kinetics,” “benign neoplasms and hyperplasias,” and “precancerous lesions and cutaneous carcinomas,” have failed because they lack logic and, therefore, consistency. The names…

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…

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