<unk>  is a chronic condition usually characterized by<unk>  of<unk><unk>  crystals within and around connective tissues and tendons, most commonly around the periarticular location. The risk factors for<unk>  are the genetic predisposition to HLA-A1 gene, newly onset adult diabetes, estrogen, and thyroid disorders. The most common site of involvement is shoulder, mostly involving the supraspinatus and infraspinatus tendons. Next common location is hip, followed by the spine. It occurs between the ages of 30–60, most common in females and usually asymptomatic. The patient also present with acute episodes of pain, which is recurrent after one episode. Common symptoms are the pain and swelling of the involved joint. Physical examination shows restricted joint movements and swelling. Diagnosis is made by radiography. MRI is the gold standard for the diagnosis of calcification. Treatment is usually conservative such as NSAIDS, physiotherapy, and hot compresses. Those are refractory to conservative treatment are referred to surgical treatment like open resection, arthroscopic resection, ultrasound-guided needle lavage (barbotage), and extracorporeal shockwave therapy (ESWT).
Calcium apatite deposition disease
Tumor induced osteomalacia
Dystrophic calcification
Metastatic calcification
Secondary amyloidosis
Leucocyte cell-derived chemotaxin 2 related amyloidosis
Osteopetrosis
Primary lymphoma of the bone