Hip Arthroscopy and Chondrofiller Application in Isolated Osteochondral Defect of the Femoral Head.

Introduction: Osteochondral lesions of the femoral head are rare and often underdiagnosed due to subtle imaging findings. Early identification and appropriate management are crucial to avoid long-term joint degeneration, particularly in young, active individuals. Case Report: We present the case of a 32-year-old male who developed persistent right hip pain following a fall. Imaging with computed tomography and magnetic resonance imaging revealed a focal osteochondral defect of the femoral head with a displaced fragment. Hip arthroscopy identified a 15 mm × 5 mm chondral lesion over the superoanterior weight-bearing dome. The defect was debrided and filled with Chondrofiller, a cell-free, collagen-based scaffold, without performing microfracture. Post-operatively, the patient demonstrated complete pain relief, full hip range of motion, and a normal gait. Conclusion: Arthroscopic application of Chondrofiller is a promising, minimally invasive option for treating focal chondral defects of the femoral head. It preserves the subchondral bone and eliminates the need for more invasive or staged procedures. This case highlights its potential for early joint preservation, though long-term studies are warranted.