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Intra-articular Ganglion Cyst of the Knee Joint. Case Report
Takayuki AKIYAMA
※1
Toshihiro OHDERA
※1
※1 Fukuoka Orthopediac Hospital
We report a case of intra-articular ganglion cyst of the knee. A 52-year-old woman complained of pain in her right knee on full extension. An intra-articular ganglion cyst at the tibial insertion of the anterior cruciate ligament (ACL) was suspected based on the MRI findings. Arthroscopy failed to reveal any evidence of a ganglion cyst. Twenty-two months later,the patient complained of knee pain and was unable to extend her right knee. MRI clearly showed an intra-articular ganglion cyst. Although we were unable to see the ganglion cyst arthroscopically,we incised the soft tissue at the tibial insertion of the ACL with scissors. We then saw gelatinous liquid flowing from the incision and removed the tissue. Examination of tissue showed the tissue was compatible with a ganglion. After surgery the patient's complaints improved. It was difficult to diagnose the ganglion cyst arthroscopically,because it was located under the soft tissue at the tibial insertion of the ACL.
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