Abstract
INTRODUCTION: Unicameral bone cysts (UBCs) are benign bone lesions that may resemble tumors. The mechanism of their formation is not precisely known. They tend to manifest with pain in the area of the lesion, thinning of the adjacent bone cortex, and may lead to bone fractures. CASE PRESENTATION: A 14-year-old boy presented with severe pain in the left hip joint area, which resulted in limping and a tendency to avoid weight-bearing on the affected limb due to the associated pain. He was diagnosed with a unicameral bone cyst and treated percutaneously with aspiration, bone compaction, and fixation. CLINICAL DISCUSSION: Unicameral bone cysts, when located in the hip area, can cause severe pain, potentially leading to compensatory scoliosis and limping. Treatment is essential in this case due to the sensitivity of the area, the high probability of fracture, and the presence of severe pain. CONCLUSION: This article focuses on a rare case of a unicameral bone cyst in the femoral neck area, successfully managed percutaneously without open surgical intervention. Prophylactic fixation of the femoral neck resulted in an excellent observed outcome.