Hydroxyapatite Deposition Disease   Dr. Rosenblum discusses shoulder pain, and the pathophysiology of Hydroxyapatite Deposition Disease. He discusses personal experience with infraspinatous tendon tear, and treatments such as NSAIDs, Lidocaine patch and steroid injections of the infraspinatous tendon.  Dr. Rosenblum discusses his experience with a failed suprascapular nerve block as well as evidence to support PRP injections and ethical safe care.   Dr. Rosenbum also is the NRAP Academy Course director for Ultrasound, Regenerative Pain Medicine and Regional Anesthesia CME Workshops and developed online PainExam, AnesthesiaExam and PMRExam Board Reviews   Pain Management Board Review  Upcoming Workshops and Events   NYC Regional Anesthesia and  Pain  Ultrasound CME  Workshop Saturday, December 16, 2023 7:30 AM   NYC Regional Anesthesia and  Pain  Ultrasound CME  Workshop Saturday, January 6, 2024 7:30 AM   For  up to date Calendar, Click Here!   References   Valerio Sansone, Emanuele Maiorano, Alessandro Galluzzo & Valerio Pascale (2018) Calcific tendinopathy of the shoulder: clinical perspectives into the mechanisms, pathogenesis, and treatment, Orthopedic Research and Reviews, 10:, 63-72, DOI: 10.2147/ORR.S138225   Seijas R, Ares O, Alvarez P, Cusco X, Garcia-Balletbo M, Cugat R. Platelet-Rich Plasma for Calcific Tendinitis of the Shoulder: A Case Report. Journal of Orthopaedic Surgery. 2012;20(1):126-130. doi:10.1177/230949901202000128   Hegazi T. Hydroxyapatite Deposition Disease: A Comprehensive Review of Pathogenesis, Radiological Findings, and Treatment Strategies. Diagnostics (Basel). 2023 Aug 15;13(16):2678. doi: 10.3390/diagnostics13162678. PMID: 37627938; PMCID: PMC10453434.