Glenohumeral interposition of rotator cuff stumps: a rare complication of traumatic rotator cuff tear

Author:

Agnollitto Paulo Moraes1,Chu Marcio Wen King1,Lorenzato Mario Muller2,Zatiti Salomão Chade Assan3,Nogueira-Barbosa Marcello Henrique1

Affiliation:

1. Universidade de São Paulo, Brazil

2. Clínica Radiologia Especializada, Brazil

3. Hospital Especializado de Ribeirão Preto, Brazil

Abstract

Abstract The present report describes a case where typical findings of traumatic glenohumeral interposition of rotator cuff stumps were surgically confirmed. This condition is a rare complication of shoulder trauma. Generally, it occurs in high-energy trauma, frequently in association with glenohumeral joint dislocation. Radiography demonstrated increased joint space, internal rotation of the humerus and coracoid process fracture. In addition to the mentioned findings, magnetic resonance imaging showed massive rotator cuff tear with interposition of the supraspinatus, infraspinatus and subscapularis stumps within the glenohumeral joint. Surgical treatment was performed confirming the injury and the rotator cuff stumps interposition. It is important that radiologists and orthopedic surgeons become familiar with this entity which, because of its rarity, might be neglected in cases of shoulder trauma.

Publisher

FapUNIFESP (SciELO)

Subject

Radiology, Nuclear Medicine and imaging

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