REPORT OF A CASE
A male infant born to a healthy 26-year-old mother was noted at birth to have a mass on the posterior aspect of his left upper arm. The lesion was a brown-red, firm, well-defined nodule that measured 1.5 × 1.3 cm in diameter and was apparently nontender. The mass had a central yellow crust but was not fixed to underlying muscle (Fig 1). No other masses were seen. The results of the remainder of the neonatal examination were unremarkable. There
Barnes L, Mimouni F, Lucky AW. Solitary Nodule on the Arm of an Infant. Arch Dermatol. 1986;122(1):91–92. doi:10.1001/archderm.1986.01660130095035
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