Funk Shawn S, Block J Jake, Martus Jeffrey E, Schoenecker Jonathan G
*Medical Center East, Vanderbilt Orthopaedic Institute ‡Monroe Carell Jr. Children's Hospital at Vanderbilt †Vanderbilt Department of Radiology, Nashville, TN.
J Pediatr Orthop. 2015 Oct-Nov;35(7):e76-9. doi: 10.1097/BPO.0000000000000522.
Anomalies of the meniscus are uncommon. These anomalous formations have been predominately described in the lateral compartment of the knee. Congenital abnormalities of the medial meniscus are rare.
Chart and radiographic review of a single patient with a symptomatic congenital abnormality of the medial meniscus.
The patient was a 5-year-old boy with popliteal pterygium who developed painful snapping in the medial knee after anterior hemiepiphyseodesis to improve his knee extension. The patient had achieved full-knee extension from a preoperative 45-degree flexion contracture. The newly developed snapping was attributed to the hemiepiphyseodesis implants. After implant removal, the snapping persisted and was localized at the medial joint line. Through an arthrotomy, a medial meniscus abnormality was identified and excised with resolution of symptoms.
This report describes a symptomatic congenital abnormality of the medial meniscus in a child with popliteal pterygium. The patient was treated with excision of the anomalous structure with complete resolution of the symptoms. This is the first report of an intra-articular knee anomaly associated with popliteal pterygium syndrome.
半月板异常并不常见。这些异常结构主要见于膝关节外侧间室。内侧半月板先天性异常罕见。
对1例有症状的内侧半月板先天性异常患者进行病历及影像学回顾。
该患者为一名5岁患有腘窝翼状胬肉的男孩，在进行前半骨骺阻滞术以改善膝关节伸展后，膝关节内侧出现疼痛性弹响。患者从术前45度屈曲挛缩恢复到完全伸直。新出现的弹响归因于半骨骺阻滞植入物。取出植入物后，弹响持续存在且局限于内侧关节线处。通过关节切开术，发现并切除了内侧半月板异常，症状得以缓解。
本报告描述了一名患有腘窝翼状胬肉儿童的有症状的内侧半月板先天性异常。患者通过切除异常结构得到治疗，症状完全缓解。这是首例与腘窝翼状胬肉综合征相关的膝关节内异常的报告。
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