Oswaldo Gonçalves Costa, Brazilian dermatologist and soccer player (São João del Rei, Minas Gerais State 03 December 1905 – 1996)

Described idiopathic guttate hypomelanosis (1961) and polydysplastique oculo-cutané 

Described acrokeratoelastoidosis

Acroceratoses (ceratodermias palmo-plantares). Thesis. Fac. Med. Univ. Federal Minas Gerais (1952)

Acrokeratoelastoidosis: a hitherto undescribed skin disease. Dermatologica 170:164-8, 1953

Described the parotid impairment in acute lupus erythematosus 

Studied histochemically the juvenile hyaline fibromatosis classifying it as a subgroup of mucopolysaccharidosis  

With R.C. Guimarães, L. Bogliolo, W.L. Tafuri & P.U. Costa. Fibromatosis hialina juvenil. Med. Cut. Iber. Lat. Amer. 5:331-40, 1975 

As soccer player was goalkeeper of Clube Atletico Mineiro