Malawer et al developed a classification for shoulder-girdle resections performed for a bone tumor affecting the shoulder. The authors are from the Children's National Medical Center and George Washington University in Washington, D.C.
Patient selection: benign or malignant bone tumor
Anatomical elements resected:
(1) head of the humerus
(2) shaft of the humerus
(3) lateral scapula (acromium, glenoid cavity, etc) and clavicle
(4) remainder of the clavicle
Head of Humerus
Humeral Shaft
Lateral Scapula and Clavicle
Rest of Scalpula
Type
yes
yes
1
yes
2
yes
yes
3
yes
yes
4
yes
yes
yes
5
yes
yes
yes
yes
6
Abductor Muscles
Subtype
retained
A
resected
B
Types 1, 2 and 3 (intra-articular resection) are usually used for benign or low grade malignant tumors.
Types 4, 5 and 6 (extra-articular resection) are usually used for high grade malignant tumors.
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