Search Results for: tumor of follicular infundibulum

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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

Melanoma: Key Points

Key Points The therapy of malignant melanoma is determined by the histopathologic features (primarily tumor thickness, ulceration, regression, and mitotic index), by the location of the tumor, by the presence of regional or distant metastases and by…

Therapeutic Strategies in Dermatology

Melanoma: Treatment

…pathologically evaluated at multiple levels to determine the tumor thickness, as well as to determine presence of ulceration, mitotic index, evidence of regression, perineural or perivascular invasion and maximum depth, is highly recommended. For la…

Therapeutic Strategies in Dermatology

Vascular Birthmarks: Key Points

…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, typically benign vascular birthmarks that present in infancy with a wide spectrum of…

Therapeutic Strategies in Dermatology

Flushing: Clinical Case

…roid function but urinary 5-HIAA is very elevated, suggestive of a carcinoid tumor. Follow-up imaging with abdominal CT scan and radiolabeled octreotide scan reveal a jejunoileal tumor highly suspicious for a midgut carcinoid tumor. There are no meta…

Therapeutic Strategies in Dermatology

Psoriasis: Principles of Psoriasis Management

…lymphocyte driven, immune-mediated disorder. The development of a new class of drugs, engineered proteins targeting specific immunologic mediators involved in psoriasis, including tumor necrosis factor alpha (TNF-A), may offer effective treatments w…

Therapeutic Strategies in Dermatology

Vitiligo: Clinical Cases

…-up Approximately 50% repigmentation noted (with accentuation of repigmentation at follicular areas) Recommend continued application of calcineurin ointment Follow-up in six months Six-month follow-up Approximately 75% repigmentation noted Recommend…

Therapeutic Strategies in Dermatology

Keratosis Pilaris: Key Points

…monomorphous, hyperkeratotic papules with a central spicule, often with an erythematous base or overlying an erythematous patch. On biopsy, these lesions are characterized by keratinous follicular plugging with orthohyperkeratosis to create a follic…

A Clinical Atlas of 101 Common Skin Diseases

Acne Vulgaris

A disease of infundibulosebaceous units, especially infundibula, that may manifest itself solely as noninflammatory lesions, i.e., comedones and intact cysts, or as inflammatory lesions, i.e., papules, nodules, and pustules. The process may resolve…

A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated…

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