May Be Caused by

 Common

Bursal calcification

Calcific tendonitis

Gouty tophus

Hyperparathyroidism

Ligament calcification

Lymph nodes

Myositis ossificans

Neuropathic arthropathy

Osteochondroma

Peritendinitis calcarea

Synovial osteochondromatosis

Synovial sarcoma

Tuberculosis

 Uncommon

Aneurysm

Calcifying aponeurotic fibroma

Calcium pyrophosphate dihydrate crystal deposition disease

Chondroma

Chondrosarcoma

Fibromatosis

Fibrosarcoma

Guinea worm infection

Hemangioma

Hydatid disease

Hydroxyapatite deposition disease

Hypervitaminosis D

Immobilization

Intramedullary chondrosarcoma with soft-tissue extension

Intramedullary osteosarcoma with soft-tissue extension

Lipoma

Liposarcoma

Malignant fibrous histiocytoma

Multicentric infantile myofibromatosis

Osteoma or juxtacortical chondroma

Osteosarcoma

Parosteal chondrosarcoma

Parosteal lipoma

Parosteal osteosarcoma

Tumoral calcinosis

 Rare

Ganglion