Abstract
Symptomatic heterotopic ossification (HO) is a complication of hip arthroscopy that occurs in less than 1% of cases. To our knowledge, there are no reported cases of symptomatic intracapsular HO. We present 2 patients with a radiographic finding associated with intracapsular HO. Both patients underwent revision hip arthroscopy and required capsular reconstruction due to void of the iliofemoral ligament following excision of HO. We believe this radiographic finding may be useful to hip preservationists as it may be associated with capsular deficiency necessitating capsular reconstruction upon revision hip arthroscopy.
Highlights
Heterotopic ossification (HO) is a common complication following hip arthroscopy with an incidence of up to 44% [1, 2]
After discussion of treatment options, the patient elected to proceed with revision hip arthroscopy
Patient Reported Outcome Measurement Information Systems Computer Adaptive Testing (PROMIS CAT) measures of: physical function (PF), anxiety (AX), depression (DP), pain interference (PI), ability to participate in social roles (SR), global health (GH), and pain intensity (PIY) were recorded preoperatively
Summary
Heterotopic ossification (HO) is a common complication following hip arthroscopy with an incidence of up to 44% [1, 2]. Heterotopic ossification has been shown to form in areas where an inflammatory process is occurring [1, 4, 6]. This results in formation of bone in abnormal anatomic locations [1, 3, 6]. In hip arthroscopy, performing a femoral osteochondroplasty has been shown to increase the risk of HO formation postoperatively [1, 2, 4]. In general, symptomatic HO is a rare complication which occurs in less than 1% of cases [1]
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