Pseudocyst of humerus

Case contributed by Dr Vishwanath Reddy


Pain in the right shoulder since 6 months and has difficulty lifting the arm above the shoulder height. Patient gives history of fall from bike few years back but does not remember if there was a shoulder injury at that time.

Patient Data

Age: 50
Gender: Male

Increased lucency noted in the region of greater tubercle of humerus. It is termed as pseudocyst. It should not be mistaken for a lytic lesion.

Case Discussion

Increased lucency in the greater tubercle is due to decrease in the trabeculae which may occur secondary to rotator cuff disorders. This should not be mistaken for a lytic bone tumour. Additional radiographic views help in identifying that the lucency is confirming to the greater tubercle of humerus. Furthur evaluation can be done with the MRI if the radiographs are not confimatory and as deemed by the clinical history.

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Case information

rID: 33107
Case created: 31st Dec 2014
Last edited: 10th Jun 2016
Inclusion in quiz mode: Included

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