Enchondroma

Case contributed by Dr Mohammad Taghi Niknejad

Presentation

Knee pain.

Patient Data

Age: 45 years
Gender: Male
X-ray

X ray of the left femur showed two lesions with typical rings-and-arcs calcifications in the metadiaphysis. The endostal cortical border was not eroded.

Case Discussion

Features are consistent with enchondroma (or chondroma) which is a relatively common benign medullary cartilaginous neoplasm with benign imaging features. Chondroid calcifications (rings and arcs calcification) may be present. It should be reminded that distinguishing between enchondroma and low-grade chondrosarcoma is a frequent difficulty as the lesions are both histologically and radiographically very similar.

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Case information

rID: 61318
Published: 28th Jun 2018
Last edited: 17th Apr 2019
Inclusion in quiz mode: Included
Institution: Tabesh medical imaging center

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