Ian T. Mark, M.D., MSM

Open

• Beta Trace Protein venous blood levels in CSF-venous fistula (CVF) Rochester, Minn.

  The purpose of this study is to compare Beta Trace Protein venous blood levels in those with and without  CSF-venous fistula (CVF), and to create a proof of concept that Beta Trace Protein is a feasible blood test for patients with CVF.

• Evaluation of Intraoperative Contrast Enhanced Ultrasound for the Identification of Pituitary Adenoma in Cushing’s Disease compared to other pituitary tumors. Rochester, Minn.

  The purpose of this study is to combine recent advances in ultrasound imaging, specifically an endonasal transducer array and contrast enhanced ultrasound, to offer an intraoperative image-guided solution for lesion-specific surgical resection to impact clinical outcome.