Fig. 1From: Usefulness of ultrasonography for diagnosing iatrogenic spinal accessory nerve palsy after lymph node needle biopsy: a case reportMRI findings. a A short T1 inversion recovery image showed high signal intensity in the left trapezius muscle before surgery (red arrows). b At 1 year postoperatively, the signal strength of the left trapezius muscle was reduced (red arrows)Back to article page