HIP ARTHROSCOPY: RESIDUAL CAM DEFORMITY COMBINED WITH LOOSE BONY FRAGMENT IN HIP CAPSULE
Tomislav Čengić1, Danijel Jurković1, Hana Hajsok1
11Department of Traumatology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia; 2University of Applied Health Sciences, Zagreb, Croatia; 3Department of Orthopedic Surgery, Zagreb University Hospital Center, Zagreb, Croatia; 4School of Medicine, University of Zagreb, Zagreb, Croatia; 5Department of Radiology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia; 6Department of Neurosurgery, Sestre milosrdnice University Hospital Center, Zagreb, Croatia.
Insights
Revision hip arthroscopy successfully treated persistent thigh numbness caused by a retained bone fragment and residual cam deformity after a prior procedure. This innovative orthopedic surgery resolved the patient's neurological symptoms.
Area of Science:
- Orthopedic Surgery
- Minimally Invasive Procedures
- Hip Arthroscopy
Background:
- Hip arthroscopy is a minimally invasive orthopedic procedure known for its effectiveness and low complication rates.
- Persistent symptoms after hip surgery can significantly impact a patient's quality of life.
Observation:
- A patient experienced thigh numbness, muscle fasciculations, and paresthesia three years after an initial hip arthroscopy.
- Symptoms were attributed to a residual cam deformity and a loose bone fragment within the hip capsule, likely from the prior burring procedure.
Findings:
- The retained bone fragment and residual cam deformity compressed neural structures during hip flexion, causing the patient's neurological symptoms.
- Revision hip arthroscopy was performed to remove the loose fragment and address the remaining deformity.
Implications:
- Successful removal of the bone fragment and residual deformity led to the resolution of the patient's pain and anterior thigh numbness.
- This case highlights the importance of thorough assessment for retained fragments and residual deformities in revision hip arthroscopy.
- Revision hip arthroscopy offers a viable solution for managing complications and persistent symptoms following initial hip procedures.
Abstract:
Hip arthroscopy is a minimally invasive, effective and innovative orthopedic procedure with a relatively low rate of complications. In our patient, residual cam deformity and a bone fragment that remained in the front hip capsule after hip arthroscopy performed three years before caused thigh numbness, muscle fasciculations, and paresthesia. It was assumed that the loose bony fragment remained following burring on prior procedure. During hip flexion, neural structures were compressed and caused the mentioned symptoms. Revision hip arthroscopy was performed and the loose fragment in addition to residual cam deformity was removed. Resolution of pain and anterior thigh numbness was reported after the revision surgery.


