Pleomorphic rhabdomyosarcoma of lumbar region: A case report

Rhabdomyosarcoma is a malignant mesenchymal soft tissue tumour with tendency towards skeletal muscle differentiation. It commonly seen in children and adolescents but exceedingly rare adults. The most common site adults the extremities. Less locations include pelvis thorax. diagnosed by morphologic presence of scattered pleomorphic rhabdomyoblasts immunohistochemistry (with evidence at least one muscle-specific marker). outcome very poor, especially when compared to outcomes whom significant improvements treatment have been achieved. We present case Pleomorphic lumbar region which was clinically thought as dermoid cyst. This reported because location. diagnosis made on histopathology immunohistochemistry. diffusely positive for vimentin desmin focally myogenin & MyoD1.