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Bone lipoma is a rare, primary and benign tumor. In recent years, its detection rate is higher as a result of the increasing use of accurate and more detailed cross-sectional imaging techniques such as magnetic resonance imaging (MRI) and computed tomography (CT) plus the utilization of advanced histological diagnostic facilities. The radiographic appearance on x-ray is not usually characteristic of this lesion and therefore requires differential diagnostics conducted for a long time. However, CT and MRI allow for a tissue-specific diagnosis. The microscopic features are usually those of mature adipose tissue. Sometimes, still, pathological reports may show discordance with radiologic findings. For optimal management, surgical curettage and packing with autogenous bone grafts is usually recommended if the lesion is causing the pain or if the correct diagnosis cannot otherwise be obtained. Our case is a 43-year-old female patient who presented to our clinic with chronic left foot pain. Pain was localized over the left heel with radiation to surrounding areas. The radiological diagnosis of intraosseous lipoma was made based on CT imaging and confirmed later through biopsy. Surgical intervention was needed after failure of conservative management. Curettage of all lesion and packing with autogenous bone grafts was done. Postoperatively, the patient showed remarkable improvement and follow up consultations showed good healing and no signs of recurrence.
Bone lipoma is a rare, primary and benign tumor. In recent years, its detection rate is higher as a result of the increasing use of accurate and more detailed cross-sectional imaging techniques such as magnetic resonance imaging (MRI) and computed tomography (CT) plus the utilization of advanced histological diagnostic facilities. The radiographic appearance on x-ray is not usually characteristic of this lesion and therefore requires differential diagnostics conducted for a long time. However, CT and MRI allow for a tissue-specific diagnosis. The microscopic features are usually those of mature adipose tissue. Sometimes, still, pathological reports may show discordance with radiologic findings. For optimal management, surgical curettage and packing with autogenous bone grafts is usually recommended if the lesion is causing the pain or if the correct diagnosis cannot otherwise be obtained. Our case is a 43-year-old female patient who presented to our clinic with chronic left foot pain. Pain was localized over the left heel with radiation to surrounding areas. The radiological diagnosis of intraosseous lipoma was made based on CT imaging and confirmed later through biopsy. Surgical intervention was needed after failure of conservative management. Curettage of all lesion and packing with autogenous bone grafts was done. Postoperatively, the patient showed remarkable improvement and follow up consultations showed good healing and no signs of recurrence.
Intraosseous lipoma, a rare primary benign tumor of the skeleton, is most commonly found in the calcaneus. It may contain homogenous fat, but it may also contain necrosis, calcification, or ossification. It usually does not show contrast enhancement, but there is an interface enhancement between the outer fat plan and the inner fluid part. Herein, we present an unusual 22-year-old male case of calcaneal intraosseous lipoma with contrast enhancement in the fatty component. The lesion was totally curetted and replaced with bone graft. The pathological diagnosis was reported as an intraosseous lipoma. The correct diagnosis of an atypical calcaneal intraosseous lipoma is very important to prevent an unnecessary biopsy and treatment.
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