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August 1974


Arch Dermatol. 1974;110(2):307-308. doi:10.1001/archderm.1974.01630080091049

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Lentigo Maligna. Presented by Dr. Laszlo Biro, Dr. Arnold Zimmerman (by invitation).  An 88-year-old Italian man was found to have an asymptomatic pigmented macule on the right fifth fingertip in October 1972, during his physical examination on admission to the Brooklyn Veterans Administration Hospital for mental depression and chronic brain syndrome. The lesion had been present for more than 50 years, and it had become darker and somewhat raised during the past six months.Examination showed a hyperpigmented maculopapular lesion involving almost the entire distal phalanx of the right fifth finger, sparing the nail. The color ranged from tan to brown to black.

Discussion  Dr. Biro: Since this patient has been in the hospital for approximately nine months, we had an opportunity to observe this lesion on a day-to-day basis and to perform biopsies for light and electron microscopic studies. A skin biopsy specimen taken during October 1972 from a

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