Tumoral calcinosis - elbow

Case contributed by Dr Matt A. Morgan

Presentation

Left elbow pain and swelling for five months. History of dialysis-dependent renal failure.

Patient Data

Age: 50 years
Gender: Male
X-ray

"Cloud-like" calcifications in the region of the triceps insertion, olecranon, and olecranon bursa (3.3 x 7.7 x 5.7 cm). There is no connection to the underlying humerus or ulna.

Case Discussion

Tumoral calcinosis occurs when a large amount calcium salts deposit into the soft tissues. The calcium deposition is considered heterotopic, but it is neither ossification nor osteoid matrix formation. The calcifications are separate from bone.

Large amounts of periarticular calcinosis may occur as a result of:

or it may be idiopathic in younger people.

A differential diagnosis includes:

Renal failure appeared to be the precipitating factor for the development of the tumoral calcinosis in this case.

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