A 22-year-old woman sought medical care after noticing a "well-formed" nipple growing on the sole of her left foot. The nipple, complete with areola, hair, sweat and sebaceous glands, is the first known example of a "pseudomamma" in this unusual location.
"Anomalies associated with breast development are not uncommon," wrote Dr. Délio Marques Conde et al., authors of a clinical report published in Dermatology. " … Supernumerary breast tissue is rarely found beyond the mammary line. However, the back, shoulder, face, and thigh have been described as sites of SBT development. … To our knowledge, this is the first report of SBT on the foot."