Knee calcium pyrophosphate deposition disease

Case contributed by Dr Charlie Chia-Tsong Hsu

Presentation

Chronic knee pain. Medical history of peripheral vascular disease and chronic renal failure.

Patient Data

Age: 80
Gender: Male

Anteroposterior and lateral radiographs of the left knee demonstrate meniscal calcification (blue arrows) and femoral hyaline cartilage calcification (not labelled). There is also calcification of the medical colateral ligament, quadriceps and patella tendons (yellow arrows). A Pellegrini-Stieda osteophyte is noted in the medial femoral epicondyle. 

Advanced patellofemoral joint narrowing is accompanied by subchondral bone sclerosis and marginal osteophytes formation. 

The classic scalloped or "saucerised" remodelling of the ventral metadiaphysis of the distal femur is seen. This is possibly the result of abutment of the patella against the distal femur in knee extension.

Background of extensive vascular calcifications. 

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Case information

rID: 31099
Case created: 19th Sep 2014
Last edited: 24th Jun 2017
Inclusion in quiz mode: Included

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