Rings and arcs calcification - chondrosarcoma

Case contributed by Dr Mohammad Taghi Niknejad


Large painless mass of proximal right humerus.

Patient Data

Age: 65
Gender: Male

Typical rings and arc calcification which is characteristic of chondroid lesions.

Case Discussion

Rings and arcs calcification is characteristic of chondroid lesions, such as chondrosarcomas (as in this case). It is due to enchondral mineralisation of multiple hyaline cartilage nodules.

A case of Prof. Saeed Rad, Tabriz,Iran.

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Case information

rID: 21782
Published: 18th Feb 2013
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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