Presentation
Large painless mass of proximal right humerus.
Patient Data
Age: 65 years
Gender: Male
From the case:
Rings and arcs calcification - chondrosarcoma
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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 mineralization of multiple hyaline cartilage nodules.
A case of Prof. Saeed Rad, Tabriz,Iran.
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