Calcific Tendinitis

 Deposition of Calcium Hydroxyapatite crystals along Supraspinatus tendon

1.5 - 2 cm away from insertion.

https://en.m.wikipedia.org/wiki/Calcific_tendinitis

 Investigations 

 X-ray of shoulder joint

 Ultrasound -more sensitive for diagnosis and treatment 

 Treatment 

 Ist line - non operatie 

 Needling and lavage under USG guidance

 ESWL

 Surgery for those with symptoms progressing and failing to respond non-operative measures.