본 저자들은 백혈병으로 진단 받지 않은 환자에서 경막외에 침범하여 척수를 누르고 있고 수술후 방사선 치료로 증상이 좋아진 과립구상 육종을 경험하였기에 이에 보고하는 바이다.

Granulocytic sarcoma is an uncommon tumor composed of immature cells of the granulocytic series, occuring in patients with AML and blast crisis of CML. It may rarely precede an acute myelogenous leukemia with an uniformly fetal course. We experienced a case of granulocytic sarcoma of extradural space presenting as spinal cord compression in a 31 years old female with no evidence of leukemia on the bone marrow and periphera1 blood. The tumor was located to the T₁-T₃ having narrowing pole after decompression laminectomy, patient received local irradiation to the residual tumor bed, and being followed at the OPD without evidence of leukemia.