Table 2.

Patient demographics, imaging, and initial diagnosis

Patient	Age at injury	Pretreatment imaging and findings	Time to presentation	Initial diagnosis
1	14	CR and MRI: irregularity of the anterior aspect of the humeral head consistent with subscapular tendon avulsion.	2 weeks	Sport injury: rotator cuff strain
2	15	CR and MRI: avulsion injury of the subscapularis tendon.	2 weeks	Sport injury: rotator cuff injury.
3	14	CR, CT and MRI: smooth exostotic mass anteromedial to the proximal humerus metaphyseal region	7 months	Osteochondroma
4	13	CR and MRI: abnormal ossification at the anterior humerus	13 years	Osteochondroma
5	12	CR and MRI: osseous avulsion of the lesser tuberosity	2 months	Sport injury: rotator cuff strain
6	12	CR, US, MRI	2 weeks	Sport injury: lesser tuberosity avulsion