Abstract
Forty-five cases of Poland's syndrome of the author's own experience were classified into four types depending on the grade of the malformation determined by clinical and roentgenographic findings. 1) Brachymesophalangeal triphalangy type was seen in 14 cases, 2) diphalangy type, in 23 cases, 3) monophalangy type, in 4 cases and 4) ectrodactyly type, in 4 cases. There were 34 males and 11 females in all. Thirty patients were affected on their right side and 15, on their left. All cases were sporadic.
