From the Research
Arthroscopic removal of the cyclops lesion is the most effective treatment for restoring knee extension and reducing pain in patients with cyclops syndrome after anterior cruciate ligament (ACL) reconstruction surgery. This procedure, which can be performed using a minimally invasive approach with a needle arthroscope, allows for the excision of the fibrous tissue and restoration of full range of motion 1. The rehabilitation protocol after surgery typically includes range-of-motion exercises, progressive strengthening, and gradual return to activities over 4-6 weeks 2.
Causes and Prevention
Cyclops lesions develop due to an inflammatory response to tissue debris or graft material that becomes trapped in the intercondylar notch during ACL healing 3. Prevention strategies include thorough debridement during the initial ACL reconstruction and proper rehabilitation emphasizing early extension exercises 2.
Diagnosis and Treatment
Diagnosis of a cyclops lesion can be made using magnetic resonance imaging (MRI) or diagnostic ultrasound (US) 4. Treatment usually involves arthroscopic removal of the lesion, which is a minimally invasive procedure where the surgeon uses small incisions to access and excise the fibrous tissue 1.
Outcomes
Most patients experience significant improvement after removal of the cyclops lesion, with restored knee extension and reduced pain, allowing return to normal activities and sports [(2,5)]. The use of a needle arthroscope for excision of the cyclops lesion may result in decreased postoperative pain and swelling, and a quicker recovery 1.