A case of progeria of the Hutchinson-Gilford type in a 7 year, 10 month old boy is reported. The clinical characteristics are described and illustrated.Major roentgen features include dwarfism, loss of subcutaneous fat, hypoplastic facial bones, open cranial sutures and fontanelles, thin short clavicles, coxa valga, and progressive acro-osteolysis of the terminal phalanges.[See figure in the PDF file]The roentgen changes are compared with those described in previously reported cases.