Fig. 3
From: The role of intraoperative ultrasound in management of spinal intradural mass lesions and outcome
Intramedullary mass lesions. A Intramedullary hemangioblastoma (male 55 years, cervical laminectomy); a preoperative MRI with contrast, b postoperative MRI T2, T1 with contrast, c follow-up after 6 months MRI T2, T1with contrast (total resection) and d ultrasound images; arrow 1; cranial cystic part, 2; the fleshy part and 3; caudal cystic part. B Intramedullary astrocytoma (male 45 years, cervical laminoplasty); a preoperative MRI without and with contrast, b early postoperative T1 with contrast, c follow-up after 6 months MRI T1with contrast (total resection) and d ultrasound images; arrows 1; tumor fleshy part and 2; cystic part and e intraoperative photos to show the tumor exposure and laminoplasty. C Intramedullary syringomyelia (female 9 years, cervical laminoplasty); a preoperative T2 MRI, b ultrasound image; arrow 1; the syrinx and 2; spinal cord tissues, c intraoperative photo shows laminotomy for laminoplasty, d early postoperative T2 MRI and e postoperative after 6 months T2 MRI (total resolution and laminoplasty)