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IMAGES IN MEDICINE |
1 Division of Endocrinology and Metabolism, Université de Sherbrooke, Canada
2 Division of Endocrinology, Hôpital Saint Luc du Centre hospitalier de lUniversité de Montréal, Canada
Correspondence to:
Correspondence to:
Dr Pierre Maheux
Division of Endocrinology and Metabolism, Université de Sherbrooke, 300112th Avenue North, Sherbrooke, Québec, Canada J1H 5N4; Pierre.Maheux@USherbrooke.ca
Keywords: hirsutism; porphyria
| The first 150 words of the full text of this article appear below. |
A 25 year old HIV positive woman presented with a progressive history of hirsutism (fig 1A
) unresponsive to oral contraceptives and cyproterone acetate. During the summer, bullous lesions appeared on the dorsal area of both hands (fig 1B
). Laboratory studies disclosed the following values: plasma free testosterone 14 pmol/l (normal 2.412.5), DHEA-S 14 mmol/l (normal 1.19.2), alanine aminotransferase 65 UI/l (normal <20), aspartate aminotransferase 90 UI/l (normal <20), and alkaline phosphatase 116 UI/l (normal 2836). A 24 hour urine collection showed raised concentrations of uroporphyrin (4908 µg, normal <25), heptacarboxyporphyrin (2030 µg, normal <7), hexacarboxyporphyrin (113 µg, normal <6), and pentacarboxyporphyrin (264 µg, normal <7). The coproporphyrin level was 136 µg (normal <110). Porphyria cutanea tarda is usually sporadic and caused by a diminution in the activity of liver uroporphyrinogen decarboxylase. The manifestations include a bullous dermatosis on sun-exposed areas, poikilodermatous scarred areas dotted with milia, hyperpigmentation, facial
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