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August 1979

Hyperpigmentation Occurring in Vascular Spiders

Author Affiliations

San Francisco

Arch Dermatol. 1979;115(8):929. doi:10.1001/archderm.1979.04010080001001

To the Editor.—  It is well recognized that vascular spiders appear during the course of pregnancy and involute spontaneously after parturition.1 Recently a patient was seen with resolving vascular spiders that were associated with residual pigmentation.

Report of a Case.—  A 25-year-old woman came to the Letterman Dermatology Clinic, San Francisco, for evaluation of lingering vascular spiders on the upper part of her arms. The patient was five months postpartum. She had noted the onset of four lesions at the fourth month of pregnancy and hyperpigmentation began appearing in the seventh month. This had been her first full-term pregnancy. Two previous pregnancies ending in spontaneous abortions were not associated with spider nevi.On physical examination, a single flat spider nevus was present on the upper part of the left arm and three similar lesions were present on the upper part of the right arm. The vascular components of two