Intrinsic peripheral nerve and root tumor and pseudotumoral lesions at a tertiary care pediatric hospital

Yaworski, Amanda; Koujok, Khaldoun; Cheung, Kevin; Ying, Yvonne; McMillan, Hugh J.

doi:10.1007/s00381-020-04995-8

Cited by 2 publications

(1 citation statement)

References 27 publications

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“…Observations Systematic Review of the Literature and Reinterpretation of Imaging Our systematic review identified 49 tibial intraneural ganglion cysts in the knee region, including 27 originating from the STFJ, 8 with an unspecified/unknown joint connection, and 14 from the tibiofemoral joint (Supplementary Table 1). Since our recent publication 1 of 36 tibial intraneural ganglion cysts in the knee region, there have been 13 new cases: 4 with a joint connection to the tibiofemoral joint, 11-14 2 did not specify or identify a joint connection, 8,15 and 6 with a joint connection to the STFJ [16][17][18][19][20][21] including one with a joint connection to both the STFJ and the tibiofemoral joint. 16 One case of a complex intraneural ganglion cyst involving the posterior tibial artery and vein, on reinterpretation was found to have a tibiofemoral joint connection.…”

Section: Discussionmentioning

confidence: 99%

Tibial intraneural ganglion cysts arising from the tibiofemoral joint: illustrative cases

Lenartowicz,

Wu,

Amrami

et al. 2023

Journal of Neurosurgery: Case Lessons

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BACKGROUND Intraneural cysts involving the tibial nerve in the knee region (popliteal fossa) are rare. According to the articular (synovial) theory, which posits a joint origin for this pathology, these cysts originate from either the superior tibiofibular joint (STFJ) or the tibiofemoral (knee) joint. As tibial intraneural cysts arising from the tibiofemoral joint remain poorly understood, the authors present 2 illustrative cases and a review of the world’s literature on all tibial intraneural ganglion cysts in the knee region. OBSERVATIONS Fourteen cases of tibial intraneural ganglion cysts arising from the tibiofemoral joint were identified in the literature. Different articular branch patterns were demonstrated, which could be explained by the varied, rich articular branch innervation at the knee. Favorable outcomes were observed in cases in which the articular branch had been disconnected and the cyst drained and were comparable to the outcomes seen in tibial intraneural ganglion cysts with an STFJ origin. LESSONS Tibial intraneural cysts in the knee region can be subdivided by their joint of origin: the STFJ or the tibiofemoral joint. Those arising from the tibiofemoral joint originate from different areas of the joint and propagate in predictable patterns, with favorable outcomes following surgical intervention when the joint connection is identified and treated. The origin of tibial intraneural cysts from the tibiofemoral joint are more complex than those originating from the STFJ but seem to have similar propagation patterns and outcomes.

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