Eruptive vellus hair cyst is a rare and benign dermatological condition in the development of vellus-type follicles. It affects mainly children young adults, characterized by multiple asymptomatic papules, especially on trunk. We report case 33-year-old white man who presented erythematous papules pustules located trunk for about five years, refractory to topical treatments acne. Dermoscopy reve...

When the available statistical information is imperfect, it is dangerous to follow standard optimisation procedures to construct an optimal portfolio, which usually leads to a strong concentration of the weights on very few assets. We propose a new way, based on gener-alised entropies, to ensure a minimal degree of diversiication.

The patient was a 10-year-old boy with no past history of interest, who was seen for a 2½-month history of perianal lesions and daily diurnal and nocturnal encopresis. After the condition developed, the child had become more withdrawn. The lesions had been seen previously in another center, being diagnosed as viral warts. The abdomen was slightly distended, soft, nontender, and dull to percussi...

A 2-year-old girl was referred to our clinic for evaluation of Ehlers-Danlos syndrome. She had a history of easy bruising, and the physical examination showed hematomas, stretchy skin of velvety texture, and hyperflexible joints, suggestive of the presumed diagnosis. Her father had fullblown Ehlers-Danlos syndrome of the classic type featuring skin hyperextensibility, widened atrophic scars, an...