Clinical question: Pt is an 11 y/o F with hx of neuroblastoma, change in size of mass? Signs and Symptoms: hip pain, inability to walkComments: Please focus on paraspinal muscles and lumbar plexus | Five lumbar type vertebral bodies are presumed to be present which are appropriate in overall alignment and height. The conus medullaris on sagittal imaging is grossly intact. There is redemonstration of a 20 x 47 x 78 mm left-sided retroperitoneal mass which is adjacent to the aorta, left common iliac artery and the left psoas muscle which extends from the L1-2 disc space level down to the L5 vertebral body level.At L5-S1 there is no significant compromise to spinal canal or neural foramina.At L4-5 there is no significant compromise to spinal canal or neural foramina.At L3-4 there is no significant compromise to spinal canal or neural foramina.At L2-3 there is no significant compromise to spinal canal or neural foramina.At L1-2 there is no significant compromise to spinal canal or neural foramina.There is redemonstration of atrophy of the left kidney.
A left-sided retroperitoneal mass is stable when compared to the prior exam.