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Year : 2014  |  Volume : 14  |  Issue : 2  |  Page : 99-102

Ganglion cyst of knee associated with anterior cruciate ligament: A report of three cases

Department of Orthopaedics, Peoples Education Society Institute of Medical Sciences and Research (PESIMSR), Kuppam, Andhra Pradhesh, India

Correspondence Address:
Ajith Krishnamurthy
Department of Orthopaedics, Peoples Education Society Institute of Medical Science and Research (PESIMSR), Kuppam - 517 425, Chittoor District, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-6308.142355

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Purpose: Ganglion cysts of the knee associated with anterior cruciate ligament (ACL) are a very rare entity and commonly a missed clinical diagnosis. High clinical suspicion and magnetic resonance imaging (MRI) scan aids in the diagnosis. Materials and Methods: We present three cases (2 men and a woman) of ganglion cysts associated with ACL. All of them had knee pain for more than a year without any prior injury. Clinical examination revealed joint line tenderness and significant restriction in range of movements. MRI showed ganglion cyst closely associated with ACL. Arthroscopic examination and cyst excision was done. In one patient after the cyst was debrided, only a few fibers of ACL were attached to the femoral site. Intra-operatively, the Lachman's test was positive and an ACL reconstruction using hamstring tendon was performed. Results: Post operatively, all the patients were relieved of pain and regained full range of movements with a minimum follow up of one year. Conclusion: Although a rare condition, ganglion cyst has to be considered as a differential diagnosis in young patients without injury presenting with significant knee pain and restricted movements. Arthroscopy is an effective tool in the management of such condition.

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