Chondrocalcinosis

Definition

 

The deposition of calcium in joints

- often in degenerative cartilage

- many different causes

 

Crystals can be salts of

- Calcium pyrophosphate dihydrate (CPPD)

- Dicalcium phosphate hydrate

- Calcium hydroxyapatite

- Calcium oxalate

 

Differential Diagnosis

 

WHIP A DOG 

 

Wilson's

Haemochromatosis, hyperparathyroidism

Hypophosphatasia

Idiopathic

Pseudogout, pernicious anaemia

Amyloid, acromegaly

Diabetes

Ochronosis

Gout

 

Xray

 

Calcium in articular cartilage

- fine linear densities

- parallel to subchondral bone

 

Knee Chondrocalcinosis

 

Arthroscopy

 

Knee Arthroscopy ChondrocalcinosisChondrocalcinosis knee 1Chondrocalcinosis knee 2

 

Chondrocalcinosis knee 3Chondrocalcinosis knee 4