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NEURORADIOLOGY Table of Contents   
Year : 2009  |  Volume : 19  |  Issue : 2  |  Page : 151-154
Extraosseous Ewing's sarcoma / primitive neuroectodermal tumor of the sacral nerve plexus


1 Department of Radiodiagnosis, Lady Hardinge Medical College, and Associated Smt. Sucheta Kriplani and Kalawati Saran Children Hospital, New Delhi-110 001, India
2 Department of Orthopedics, Lady Hardinge Medical College, and Associated Smt. Sucheta Kriplani and Kalawati Saran Children Hospital, New Delhi-110 001, India

Correspondence Address:
M K Narula
J-13/42, Rajouri Garden, New Delhi-110 027
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-3026.50841

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We report an unusual case of Ewing's sarcoma / primitive neuroectodermal tumor (PNET) of the sacral nerve plexus in a 9-year-old boy who presented with a soft tissue swelling and severe piercing pain in the lower back region. MRI of the lumbosacral spine showed a lobulated soft tissue mass with clubbed finger-like projections along the path of the sacral nerves, which had caused widening of the spinal canal and the sacral foramina (S2-S4 level). There was presacral extension and posterior scalloping of the sacral vertebrae. Histopathology of the lesion confirmed Ewing's sarcoma / PNET of the sacral spinal nerve plexus. The patient responded favorably to chemotherapy and radiotherapy, showing clinical and radiological improvement.


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