Pediatric intraarticular ganglion cyst with extraarticular extension in the knee: A case report.

Introduction: In total, there are fewer than ten reported cases of intraarticular ganglion cysts in the pediatric population. Herein, we report a rare case of intraarticular ganglion cyst inside the knee with extraarticular extension in a 5-year-old child.

Case Presentation: A 5-year-old boy presented with an anterior knee mass associated with limping, and limited range of motion in the right knee for 1 year.