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PRIMARY BONE LIPOSARCOMA IN CHILDREN
Introduction. Even though the soft tissue liposarcoma is a frequent tumor, the primary bone liposarcoma is very rare, being localized especially in the long bones.
Material and meyhod. We present the case of a 14 years old female child, hospitalized in the „Sf. Maria“ Emergency Clinic Hospital for Children Iasi accusing pain, functional impairment and tumefaction in the right arm, symptoms which suddenly occurred about 24 hours prior to presentation, following a falling trauma on the right arm. The bone x-ray emphasized a tumor in the proximal part of the humerus bone, associated with a pathological fracture.
Results. A biopsy form the tumor was performed and the pathology report (histology and immunohistochemistry) documented a malignant liposarcomatous proliferation.
Conclusion. The final pathology diagnosis, correlated with the clinical findings, which excluded the possibility of a bone metastasis, was that of a primary bone liposarcoma. Case particularity: very rare tumor, witch presented with a pathological bone fracture. In establishing the diagnosis of a bone liposarcoma it is very important to exclude a bone metastasis from a liposarcoma with a primary localization other than the bone, as well as other primary bone tumors. The prognosis seems to be better than in the osteosarcoma but liposarcoma presents a higher rate of local recurrence and systemic dissemination.
Keywords: bone, liposarcoma, child