Abstract
The frozen shoulder or painful stiff shoulder is called as“Gojukata” (Shoulder of fifty years old) in Japan.
This report discusses on the arthrogram-findings of seventy-seven shoulders of seventy cases, which were diagnosed as“Gojukata”in our clinic for past four years. Ages of these cases are ranging from over forty years to seventy-four years of ages, of those males are thirty-seven, females are thirty-three and right shoulder thirty-six, left forty-one.
The posterior approch was employed for arthrogram at first, and anterior recently, and as the dye, seventy-six per cent Urografin and one per cent Hostacain at ratio of 1 to 2 was administered. The capacity of the shoulder joint in Japanese varied normally 12-15 cc.
Arthrograms are classified as following types.
A. Normal types.………………………48 joints
B. Pathologic types.…………………29 joints
1. Leakage at supraspinatus area of rotator cuff.………………9
2. Leakage at inf raspinatus area of rotator cuff.………………1
3. Leakage at subscapular area of rotator cuff.…………………1
4. Decrease of axillary fold.…………………20
5. Abnormal findings of intertuberal groove. (Leakage, defect and irregularity) .………………8
6. Miscellaneous (failure or decrease of contrast dye in subscapular bursa) ………………4