CONDITIONS SHOWING SOFT TISSUE CALCIFICATION AND/OR OSSIFICATION

Generalized conditions 

1. Metabolic disorders With hypercalcaemia
Hyperparathyroidism
Hypervitaminosis D
Idiopathic hypercalcaemia
Milk-alkali syndrome
Without hypercalcaemia
Chronic renal disease with secondary hyperparathyroidism
Hypoparathyroidism
Pseudo- and pseudopseudohypoparathyroidism
Gout
Ochronosis (alkaptonuria)

2. Vascular disorders Arterial and venous
Connective tissue associated with oedema

3. Infection Bacterial
Miliary tuberculosis
Leprosy (nerves)
Parasitic
Cysticercosis
Guinea worm (dracunculosis) Loa-loa
Armillifer armillatus

4. Connective tissue disorders Congenital
Fibrodysplasia ossificans progressiva
Ehlers–Danlos syndrome
Pseudoxanthoma elasticum
Werner's syndrome
Acquired
Calcium pyrophosphate deposition disease (CPPD)
Hydroxyapatite deposition disease (HADD)
Dermatomyositis
Progressive systemic sclerosis (scleroderma)
CREST syndrome (calcification, Raynaud's phenomenon, oesophageal dysmotility, scleroderma, telangiectasia)

5. Miscellaneous Tumoral calcinosis
Renal osteodystrophy
Idiopathic calcinosis universalis
Sarcoidosis with hypercalcaemia

Localized conditions 

1. Soft tissue necrosis Injection sites
Thermal injuries (burns and frost-bite)

2. Trauma Haematoma/subperiosteal
Haematoma/cephalhaematoma
Myositis ossificans
Neurogenic heterotopic ossification

3. Tumours Benign
Haemangioma (phleboliths)
Lipoma
Soft tissue chondroma
Soft tissue aneurysmal bone cyst

Malignant
Synovial sarcoma
Soft tissue osteosarcoma
Soft tissue chondrosarcoma