Endoscopic Treatment of Calcinosis Circumscripta of the Hip Joint: A Report of 2 Cases of Arthroscopic Removal of a Calcific Deposition Between the Labrum and Capsule

We present 2 cases of arthroscopic removal of a calcific deposition in the form of calcinosis circumscripta between the labrum and capsule of the hip joint. Case 1 was a 42-year-old woman who presented with complaints of a 2-year history of right hip pain. Radiographs showed a calcific deposition in the area of the acetabular roof. Arthroscopy showed a calcific deposition between the labrum and capsule in the form of calcinosis circumscripta. At the 4-month follow up, she was symptom free with painless full range of motion. Case 2 was a 48-year-old slim woman who presented with complaints of right hip pain over the last 6 months. Preoperative radiographs showed a hip with a calcific deposition lateral to the pronounced acetabular roof. At the 4-month follow up after removal, she was also symptom free. To our knowledge, these are the first patients with calcinosis circumscripta treated by hip arthroscopy. We recommend the endoscopic approach, which is effective and minimally invasive, for treatment of calcinosis circumscripta and other calcifications in the hip joint. Especially in young patients, with a high activity level and without any symptoms of hip osteoarthritis, hip arthroscopy is the ideal treatment.