This 20 year old white patient complained of progressive thickening of
his fingers over a period of four years. The second, third and fifth
fingers of each hand indeed appeared podgy. The soft tissue on each si
de of the first phalanx was swollen, firm without adherence to the bon
e. The skin of the interdigital space was hyperpigmented and lichenifi
ed This case illustrates the clinical and histologic features of digit
al fibromatosis which are discussed.