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  • Title: Spinal intradural metastasis from scapular Ewing sarcoma.
    Author: Ralapanawa DM, Jayawickreme KP, Ekanayake EM, Kumarihamy KW.
    Journal: BMC Res Notes; 2015 Jul 08; 8():298. PubMed ID: 26152121.
    Abstract:
    BACKGROUND: Ewing sarcoma is a primary bone neoplasm, which is a high grade aggressive small round blue cell tumour, and is currently recognized as a part of the Ewing family of tumours. It is the most lethal bone tumor, and is a rare malignant bone tumor accounting for 10% of all primary bone tumors, and 6% of malignant bone tumors. It has an average annual incidence of 3 per 1 million, found almost exclusively in Caucasians. It commonly occurs in long bones and pelvis but rarely involves the scapula. 85% of cases have metastasis within 2 years of diagnosis, rarely involving the meninges. CASE PRESENTATION: We report a case of a 25 year old Sinhalese Sri Lankan female, presenting with a 1 day history of bilateral lower limb weakness and urinary incontinence. She had a sensory level with flaccid paralysis of lower limbs and a painless bony lump in the left dorsal scapula. Investigations showed scapular primary Ewing sarcoma giving rise to spinal intradural metastasis. For the best of our knowledge this is the first reported case of a scapular Ewing sarcoma with spinal intradural metastasis presenting with lower limb paralysis. CONCLUSION: Intradural spinal metastasis of Ewing sarcoma presenting with lower limb weakness, without a history of pain, though rarely, can be the first presentation, and can rapidly progress to brainstem involvement and death.
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