IN 1934 Coley and Higinbotham,1 of New York Memorial Hospital, reviewed the subject of solitary bone cyst and presented 26 cases that they had personally observed from 1920 to 1933. The present communication covers another 26 cases of solitary bone cyst observed at Memorial Hospital from 1933 to 1946. An attempt is made to compare the data collected in these two periods.
Solitary bone cyst generally attracts attention during the first and second decades of life. It usually occurs in the proximal part of the metaphysis of a long bone, the humerus being the bone most commonly involved. A history of trauma at the onset of symptoms is often obtained from the patient. The symptoms are ordinarily mild until a pathologic fracture occurs. Objective findings on physical examination are meager and nonspecific. Slight tenderness may be present over the cystic area. Some limitation of motion may be