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McMahon, P.J., Dettling, J.R., Yocum, L.A. and Glousman, R.E. (1999) The Cyclops Lesion: A Cause of Diminished Knee Extension after Rupture of the Anterior Cruciate Ligament. Arthroscopy: The Journal of Arthroscopic & Related Surgery, 15, 757-761.
https://doi.org/10.1016/s0749-8063(99)70008-3

has been cited by the following article:

• TITLE: Hemorrhagic Cyclops Syndrome—A Cause of Recurrent Hemarthrosis after ACL Reconstruction: A Case Report

  AUTHORS: Wesson Pious A. Espiritu

  KEYWORDS: Cyclops Syndrome, Hemarthrosis, ACL Reconstruction, Hemorrhagic Cyclops

  JOURNAL NAME: Open Journal of Orthopedics, Vol.15 No.1, January 9, 2025

  ABSTRACT: Cyclops lesion is a fibrous nodule on the tibial side of the knee and it is one of the common complications that arises after anterior cruciate ligament (ACL) reconstruction, causing loss of knee extension. A presentation dominated by recurrent hemarthrosis is a rare presentation of this lesion. In this case report, we have discussed about a male patient who presented with recurrent hemarthrosis and inability to extend the knee joint fully 8 months after ACL reconstruction. Cyclops lesion was identified by clinical examination and magnetic resonance imaging (MRI). Recurrence after initial excision of the lesion occurred and complete resolution happened during the second operation when cauterization was done. It is imperative that treatment should include coagulation of the vascularized stump to avoid any recurrence.