Katie Marchak, MD

Professional Titles

• Assistant Professor of Interventional Radiology
• Associate Program Director, Diagnostic Radiology Residency
• Medical Student Director, Interventional Radiology

Publications

• Liu L, Trivedi P, Marchak K, Ho B, da Silva HN, Selph C, Hughes M, Casadaban L. Adrenal vein sampling with continuous infusion of cosyntropin for identifying surgically curable cases of primary aldosteronism. Clin Imaging. 2026 Jan;129:110664. PubMed PMID: 41202648
• Malavia M, Eliason G, Eggers LA, Arne A, Marchak K, Hart J, Lindquist J, Trivedi P, Casadaban L. Yttrium-90 radioembolization for primary and metastatic liver tumors exhibiting arterial-phase hypovascularity. Sci Rep. 2026 Jan 15. [Epub ahead of print] PubMed PMID: 41540188
• Deol A, Lindquist J, Marchak K, Norvell JP, Casadaban L. Striking elevation of alpha-fetoprotein during acute transient myopathy following Yttrium-90 transarterial radioembolization. J Hepatol. 2026 Jan;84(1):e13-e15. PubMed PMID: 41076085
• Marchak K, Singh D, Barron MP, Trivedi P. Hepatorenal Syndrome: Updates on Definition, Classification, Pathophysiology and Treatment Options. Tech Vasc Interv Radiol. 2025 Sep;28(3):101059. PubMed PMID: 40784687
• Walker L, Herzog E, Lindquist J, Marchak K. Venous Thromboembolism in Pregnancy. Semin Intervent Radiol. 2025 Oct;42(5):551-557. PubMed PMID: 41424544
• Marchak K, Singh D, Barron MP, Trivedi P. Hepatorenal Syndrome: Updates on Definition, Classification, Pathophysiology and Treatment Options. Tech Vasc Interv Radiol. 2025 Dec;28(4):101077. PubMed PMID: 41242843
• Sterbis E, Marchak K. Mycotic Pseudoaneurysm. RSNA Thursday Vascular Imaging Case of the Day. Presentation at RSNA 2025: Chicago IL.
• Park T, Huber T, Marchak K, Hart J, Walker L. Benign Thyroid Nodule Interventions: A Review and Imaging Considerations for the Interventional Radiologist. Semin Intervent Radiol. 2024 Jun;41(3):293-301. PubMed PMID: 39165655
• Lindquist J, Hart J, Marchak K, Bent Robinson E, Trivedi P. Imaging for Hemorrhoidal Disease: Navigating Rectal Artery Embolization from Planning to Follow-up. Semin Intervent Radiol. 2024 Jun;41(3):263-269. PubMed PMID: 39165649
• Marchak K, Malavia M, Trivedi PS. Health Services Research: A Review for the Interventional Radiologist. Semin Intervent Radiol. 2023 Oct;40(5):452-460. PubMed PMID: 37927518
• Marchak K, Singh D, Malavia M, Trivedi P. A Review of Healthcare Disparities Relevant to Interventional Radiology. Semin Intervent Radiol. 2023 Oct;40(5):427-436. PubMed PMID: 37927511
• Marchak K, Hong MJ, Schramm KM. Systemic Air Embolism following CT-Guided Percutaneous Core Needle Biopsy of the Lung: Case Report and Review of the Literature. Semin Intervent Radiol. 2019 Jun;36(2):68-71. PubMed PMID: 31123374

Practice Locations

• University of Colorado Hospital

Specialty Information

• Vascular and Interventional Radiology, Board Certification

• Cancers
• Cancers - Biliary Cancer
• Cancers - Gastroenterologic Cancer (Colon, Stomach, Esophageal, Liver)
• Cancers - Melanoma
• Circulatory System and Blood Vessel Health - Varicose Veins
• Circulatory System and Blood Vessel Health
• Circulatory System and Blood Vessel Health - Renal artery stenosis
• Circulatory System and Blood Vessel Health - Dialysis access
• Circulatory System and Blood Vessel Health - Angioplasty
• Circulatory System and Blood Vessel Health - Aneurysms
• Digestive System - Cirrhosis and its complications including ascites, variceal bleeding, hepatic encephalopathy, and hepatocellular carcinoma
• Digestive System
• Digestive System - Hemorrhoids
• Kidneys and Urinary System - Prostate Disease
• Kidneys and Urinary System
• Men's Health - Prostate Conditions
• Men's Health
• Lungs and Breathing - Pulmonary Embolism
• Lungs and Breathing
• Radiology
• Radiology - Interventional
• Women's Health - Abnormal Uterine Bleeding
• Women's Health
• Women's Health - Endometriosis
• Women's Health - Fibroids
• Surgery - Vein ablation with laser or radiofrequency
• Surgery
• Surgery - Sclerotherapy
• Surgery - Peripheral Vascular Intervention