Albaqali Hawra M, Alabsi Emad, Alfehaid Mohammad S, Alotaibi Rasees F, Joudeh Amani
Orthopedic Surgery, King Fahad Specialist Hospital, Dammam, SAU.
Orthopedics, King Fahd Hospital of the University, Dammam, SAU.
Cureus. 2024 Jan 11;16(1):e52129. doi: 10.7759/cureus.52129. eCollection 2024 Jan.
Chondroblastoma is a benign cartilage-producing bone lesion that characteristically occurs in the epiphyseal region of long bones. The most typical locations are the proximal humerus, proximal femur, distal femur, and proximal tibia. There is no medical treatment for the disease; classically, it must be treated by intralesional curettage and bone grafting. A 15-year-old female patient presented with chronic knee pain with no antecedent history of trauma. Clinical examination showed deep tenderness on maximum flexion and 15 degrees extension lag with full knee flexion. Plain radiographs and knee MRI showed a lesion in the posterior part of the proximal tibia on the midline, highly suggestive of chondroblastoma. CAT-guided biopsy did not show any evidence of malignancy. Intralesional curettage assisted by endoscopic visualization was done using a small incision, and a bone graft substitute reconstructed the defect. Endoscopic-assisted curettage of benign bone lesions can be considered in challenging locations with good results.
软骨母细胞瘤是一种产生软骨的良性骨病变，典型地发生于长骨的骨骺区域。最常见的部位是肱骨近端、股骨近端、股骨远端和胫骨近端。该病没有药物治疗方法；传统上，必须通过病灶内刮除术和骨移植来治疗。一名15岁女性患者出现慢性膝关节疼痛，无既往创伤史。临床检查显示在最大屈曲时深部压痛，膝关节完全屈曲时有15度的伸展滞后。X线平片和膝关节MRI显示胫骨近端中线后部有一病变，高度提示为软骨母细胞瘤。CT引导下活检未显示任何恶性证据。在内镜可视化辅助下，通过小切口进行病灶内刮除，并使用骨移植替代物修复缺损。对于具有挑战性的部位，内镜辅助刮除良性骨病变可取得良好效果。
