Search Results for: patch

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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mammary and Extramammary Paget’s Disease?

…et,” as well as certain features clinical and findings histopathologic. For example, both diseases appear as a reddish patch covered often by scale-crusts. Histopathologically, the epidermis of both is characterized by epithelial cells with…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Toxic Erythema?

…d histopathologically with certainty, and that is fixed drug eruption. Clinically, fixed drug eruption appears as a solitary patch or plaque, or as several such lesions, often situated on a mucous membrane or on genital skin. A blister may form atop…

Billings SD, Cotton J. Inflammatory Dermatopathology. A Pathologist’s Survival Guide. New York: Springer Science + Business Media LLC, 2011

Billings SD, Cotton J. Inflammatory Dermatopathology. A Pathologist’s Survival Guide. New York: Springer Science + Business Media LLC, 2011

…for that is, of course, mycosis fungoides, which can mimic psoriasiform and lichenoid dermatitis, but there are others, like patch stage Kaposi’s disease, metastatic breast cancer, mastocytosis, B-cell lymphoma, etc., which can mimic…

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

…ermatoscopic pattern associated with dermatofibromas, a well-known and benign cousin of DFSP, is the central white scar-like patch and peripheral delicate pigment network [7]. The histopathologic correlation of white scar-like patch in…

Adult T-cell leukemia/lymphoma: a case report of primary cutaneous tumoral type

Adult T-cell leukemia/lymphoma: a case report of primary cutaneous tumoral type

…o/RJ with the diagnosis of MF. For about eight months, she had noted some asymptomatic round and ovoid reddish brown scaling patches on the abdomen and axilla and a large dome-shaped tumoral lesion on right flank, measuring approximately 15 cm at…

The ball SITE sign: ball sports-induced targetoid erythema in a racquetball player

The ball SITE sign: ball sports-induced targetoid erythema in a racquetball player

…g high velocity contact of the ball and the skin in participants of paintball, ping pong, racquetball and squash, ecchymotic patches of purpura have been described at the cutaneous impact site of the ball in floorball players [1,2]. The patch

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Palpable Purpura?

…om bleeding. “Petechia” refers to a pinpoint purpuric macule, and “ecchymosis” designates a purpuric patch. “Hematoma” pertains to a localized swelling filled with blood. All too often, residents in medicine,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Verruciform Xanthoma?

…“large, irregular, rectangular, and verrucous” and present since shortly after birth, was a “small pebbly patch” that grew progressively with age. The changes histopathologic matched those reputed to be characteristic of…

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