A Synovial Ganglion of the Popliteus Tendon Simulating a Parameniscal Cyst Two CASE REPORTS*

The not uncommon clinical diagnosis of a cyst of the lateral semilunar cartilage is not difficult to make, but it cannot be considered definitive until there is surgical con-firmation. This report concerns two patients for whom this Case Reports CASE I. A forty-six-ycarold man who worked in a factory had a five-year history of pain, which was present even at rest. in the lateral side of the right knee. He had had temporary relief with the administration of Figs. I-A, 1-B, and 1-C. Case I. Fig. 1-A: Lateral exposure of the right knee. After division of the capsule. the cyst is clearly seen. Fig. 1-B: The cyst originated from the sheath of the popliteus tendon (T). The hiatus between the tendon and the lateral meniscus (M) is well demonstrated. Fig. I-C: The popliteus tendon is better seen after traction is applied to the synovial ganglion. diagnosis was considered but in whom, at the time of op-eration, it was found that the presenting symptoms were due to a ganglion of the sheath of the popliteus tendon. To the best of our knowledge, there are no other reports on this lesion in the literature. * No benefits in any form have been received or will be received from a commercial party related directly or indirectly tothe subject ofthis article. No funds were received in support of this study