PRIMARY LEIOMYOSARCOMA OF SPINE ? A RARE ENTITY

The primary leiomyosarcoma invading the spine is an extremely rare neoplasm .We report a case of 75 year old male with no significant medical history presenting with weakness in both lower limbs and incontinence of urine and faeces since 15 days. MRI confirmed the presence a lytic lesion causing collapse of D11-D12 vertebrae with involvement of paravertebral soft tissue and 11-12th ribs. Decompressive surgery was performed for the same and tumour was sent for histopathological examination. On histology, tumour was found to be low grade leiomyosarcoma which showed positivity for desmin and smooth muscle actin on Immunohistochemistry.