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May 1988

A Waxy Plaque on the Leg

Author Affiliations

Hospital San Pablo, Barcelona, Spain

Arch Dermatol. 1988;124(5):771-772. doi:10.1001/archderm.1988.01670050115037

REPORT OF A CASE  A 69-year-old woman was seen for evaluation of an asymptomatic pretibial cutaneous plaque of five years' duration. A pulmonary Echinococcus cyst had been excised at age 50 years. The patient was mildly hypertensive and had frequent urinary infections.Physical examination showed a well-nourished woman. A shiny, waxlike, yellow-brown, rubbery, firm plaque with irregular borders measuring 48 × 20 mm was located on the right pretibial area. The surface was irregular, showing superficial telangiectasias (Fig 1).Results of laboratory evaluation, including complete blood cell count, ionogram, and hepatic and renal profile, were within normal limits. Total serum protein was normal. Serum electrophoresis showed an increased β-globulin level (14.40 g/L) (normal, 3.8 to 7.0 g/L); α1-, α2-, and γ-globulin levels were normal. No paraprotein was detected.Roentgenographic studies disclosed postsurgical changes in the thorax. Results of an abdominal echography and a renal intravenous urography were normal.

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