Albert C. Yan

All articles by Albert C. Yan

Aquagenic wrinkling of the palms (aquagenic acrokeratoderma)

Are You Confident of the Diagnosis? What to be alert for in the history Patients affected with aquagenic wrinkling of the palms (AWP) complain that upon exposure to water, they note reddening of the skin of the palms, and eventually notice a whitening and thickening of the palms resembling waterlogging. Patients may notice the sensation…

Scurvy (Vitamin C deficiency, Ascorbic acid deficiency)

Are You Confident of the Diagnosis? What to be alert for in the history Patients with scurvy may have a history of unusual or restrictive diets, particularly those deficient in citrus fruits. Characteristic findings on physical examination Mucosal findings (gingival hemorrhage, tooth loss and poor dentition), cutaneous lesions (petechiae, purpura especially in response to minor…

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