M. Yadira Hurley, Author at Dermatology Advisor

M. Yadira Hurley

All articles by M. Yadira Hurley

Poroma (Eccrine Poroma, Hidroacanthoma Simplex, Dermal Duct Tumor)

Are You Confident of the Diagnosis? Characteristic findings on physical examination Poromas usually present as asymptomatic solitary lesions in the middle-aged or elderly. These lesions are typically located on palmar or plantar skin, but may occur in any area where eccrine glands are present. Clinically, a poroma is described as a sharply demarcated 2-12 mm…

Porocarcinoma (Malignant Poroma, Eccrine Porocarcinoma, Apocrine Porocarcinoma, Malignant Eccrine Poroma)

Are You Confident of the Diagnosis? Characteristic findings on physical examination Porocarcinoma is a rare malignant neoplasm of the eccrine or apocrine gland that usually presents clinically as a firm erythematous to violaceous nodule or verrucous plaque ranging in size from 0.4 cm to 20.0 cm with an average of 2.2 cm (Figure 1). Lesions…

Rosai-Dorfman Disease (other specified dermatoses)

Are You Confident of the Diagnosis? What you should be alert for in the history Patients present with a history of skin lesions, which may be of prolonged duration (Figure 1). Figure 1. Cutaneous Rosai-Dorfman diseaseContinue Reading Characteristic findings on physical examination The size of the skin lesions varies widely, from less than 1cm to…

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