Periarticular calcification

GACI - Pronounced "GACK-EE"Generalized arterial calcification of infancy (GACI) is an extremely rare, genetic disorder. It is caused by mutations in the ENPP1 gene in 75% of the subjects or in mutations in the ABCC6 genes in 10% of patients. [Source: Wikipedia ]

May Cause
Juxta-articular soft-tissue mass
May Be Caused by
Acromegaly
Alkaptonuria
Aneurysm
Arterial calcification of infancy
Arteriosclerosis
Avulsed fracture fragment
Brachyolmia
Burn
Calcific bursitis
Calcific synovitis
Calcific tendonitis
Calcified meniscal fragment
Calcinosis circumscripta
Calcinosis interstitialis universalis
Calcium pyrophosphate dihydrate crystal deposition disease
Chondrocalcinosis
Chondrodysplasia punctata
Chronic hemodialysis
CREST syndrome
Degenerative arthritis
Dermatomyositis
Diabetes mellitus
Diastrophic dysplasia
Dysplasia epiphysealis hemimelica
Fibrochondrogenesis
Fluorosis
GM1 gangliosidosis
Gout
Guinea worm
Hematoma
Hemochromatosis
Hemophilia
Hydrops - ectopic calcification - moth-eaten skeletal dysplasia
Hydroxyapatite deposition disease
Hyperparathyroidism
Hypervitaminosis D
Hypoparathyroidism
Hypophosphatasia
Hypothyroidism
Idiopathic hip calcification in infants and children
Joint vein varix
Keutel syndrome
Lethal osteosclerotic skeletal dysplasia Astley-Kendall type
Metastatic calcification
Milk-alkali syndrome
Mixed connective tissue disease
Multiple endocrine neoplasia syndrome type 2A
Myositis ossificans
Neuropathic arthropathy
Niemann-Pick disease
Osteochondroma
Osteochondrosis dissecans
Oxalosis
Paralysis
Paraplegia
Parasite
Parosteal chondrosarcoma
Parosteal ostesarcoma
PC-1 NTPPPH deficiency
Pellegrini-Stieda disease
Peritendinitis calcarea
Progressive pseudorheumatoid chondrodysplasia
Renal osteodystrophy
Rheumatoid arthritis
Sarcoidosis
Scleroderma
Septic arthritis
Spondyloepimetaphyseal dysplasia short limb-hand-abnormal calcification type
Spur
Synovial osteochondromatosis
Synovial sarcoma
Systemic lupus erythematosus
Tietze syndrome
Trauma
Tuberculous arthritis
Tumoral calcinosis
Warfarin embryopathy
Warfarin therapy in childhood
Werner syndrome
Widespread bone metastases
Wilson disease
Zellweger syndrome
Acromegaly
Alkaptonuria
Aneurysm
Arterial calcification of infancy
Arteriosclerosis
Avulsed fracture fragment
Brachyolmia
Burn
Calcific bursitis
Calcific synovitis
Calcific tendonitis
Calcified meniscal fragment
Calcinosis circumscripta
Calcinosis interstitialis universalis
Calcium pyrophosphate dihydrate crystal deposition disease
Chondrocalcinosis
Chondrodysplasia punctata
Chronic hemodialysis
CREST syndrome
Degenerative arthritis
Dermatomyositis
Diabetes mellitus
Diastrophic dysplasia
Dysplasia epiphysealis hemimelica
Fibrochondrogenesis
Fluorosis
GM1 gangliosidosis
Gout
Guinea worm
Hematoma
Hemochromatosis
Hemophilia
Hydrops - ectopic calcification - moth-eaten skeletal dysplasia
Hydroxyapatite deposition disease
Hyperparathyroidism
Hypervitaminosis D
Hypoparathyroidism
Hypophosphatasia
Hypothyroidism
Idiopathic hip calcification in infants and children
Joint vein varix
Keutel syndrome
Lethal osteosclerotic skeletal dysplasia Astley-Kendall type
Metastatic calcification
Milk-alkali syndrome
Mixed connective tissue disease
Multiple endocrine neoplasia syndrome type 2A
Myositis ossificans
Neuropathic arthropathy
Niemann-Pick disease
Osteochondroma
Osteochondrosis dissecans
Oxalosis
Paralysis
Paraplegia
Parasite
Parosteal chondrosarcoma
Parosteal ostesarcoma
PC-1 NTPPPH deficiency
Pellegrini-Stieda disease
Peritendinitis calcarea
Progressive pseudorheumatoid chondrodysplasia
Renal osteodystrophy
Rheumatoid arthritis
Sarcoidosis
Scleroderma
Septic arthritis
Spondyloepimetaphyseal dysplasia short limb-hand-abnormal calcification type
Spur
Synovial osteochondromatosis
Synovial sarcoma
Systemic lupus erythematosus
Tietze syndrome
Trauma
Tuberculous arthritis
Tumoral calcinosis
Warfarin embryopathy
Warfarin therapy in childhood
Werner syndrome
Widespread bone metastases
Wilson disease
Zellweger syndrome