Annabella Shewarega, MD
Hospital ResidentAbout
Research
Publications
2026
CT Radiomics to Predict Regenerative Biomarker Expression after Liver Venous Embolization: Proof-of-Concept in a Porcine Model
Nguyenová J, Yang J, Zhang X, Shewarega A, Tefera J, Kuhn T, Gebauer B, Savic L, Chapiro J, Madoff D. CT Radiomics to Predict Regenerative Biomarker Expression after Liver Venous Embolization: Proof-of-Concept in a Porcine Model. Journal Of Vascular And Interventional Radiology 2026, 108895. PMID: 42269821, DOI: 10.1016/j.jvir.2026.108895.Peer-Reviewed Original ResearchNeoadjuvant PD-1 Inhibition prior to Partial Cryoablation of Murine Hepatocellular Carcinoma Modulates the Tumor Microenvironment toward Favorable Immunological Profiles
Kao T, Santana J, Meister E, Shewarega A, Israel J, Peschke L, Tefera J, Matuschewski N, Sobirey R, Zhang X, Gebauer B, Madoff D, Savic L, Chapiro J. Neoadjuvant PD-1 Inhibition prior to Partial Cryoablation of Murine Hepatocellular Carcinoma Modulates the Tumor Microenvironment toward Favorable Immunological Profiles. Journal Of Vascular And Interventional Radiology 2026, 37: 108585. PMID: 41690670, PMCID: PMC13052828, DOI: 10.1016/j.jvir.2026.108585.Peer-Reviewed Original Research
2025
Noninvasive Tumor Profiling: Quantitative Contrast-Enhanced MRI Markers Predict PD-L1 and CTNNB1 Status in Hepatocellular Carcinoma.
Matuschewski N, Sobirey R, Revzin M, Zeevi T, Gross M, Kasolowsky V, Shewarega A, Meister E, Kao T, Tefera J, Bousabarah K, Batra R, Strazzabosco M, Lin M, Gebauer B, Savic L, Duncan J, Madoff D, Zhang X, Chapiro J. Noninvasive Tumor Profiling: Quantitative Contrast-Enhanced MRI Markers Predict PD-L1 and CTNNB1 Status in Hepatocellular Carcinoma. Radiology 2025, 316: e242750. PMID: 40762840, PMCID: PMC12405729, DOI: 10.1148/radiol.242750.Peer-Reviewed Original ResearchPortal and Hepatic Vein Embolization versus Portal Venous Embolization Alone in Cirrhotic and Noncirrhotic Swine: A Pilot Study
Tefera J, Kuhn T, Matuschewski N, Meister E, Nguyenová J, Kao T, Mutonga M, Bitar R, Kahl V, Zhang X, Shewarega A, Chapiro J, Madoff D. Portal and Hepatic Vein Embolization versus Portal Venous Embolization Alone in Cirrhotic and Noncirrhotic Swine: A Pilot Study. Journal Of Vascular And Interventional Radiology 2025, 36: 1042-1050.e2. PMID: 40043833, DOI: 10.1016/j.jvir.2025.02.028.Peer-Reviewed Original Research
2024
Molecular MRI of T-cell immune response to cryoablation in immunologically hot vs. cold hepatocellular carcinoma
Santana J, Shewarega A, Nam D, Duncan J, Madoff D, Hyder F, Coman D, Chapiro J. Molecular MRI of T-cell immune response to cryoablation in immunologically hot vs. cold hepatocellular carcinoma. JHEP Reports 2024, 7: 101294. PMID: 40028344, PMCID: PMC11870164, DOI: 10.1016/j.jhepr.2024.101294.Peer-Reviewed Original ResearchInvestigating synergy between beta-blockers and transarterial chemoembolization in the treatment of hepatocellular carcinoma: preliminary data from a propensity matched analysis
Mutonga M, Shewarega A, Gross M, Kahl V, Madoff D. Investigating synergy between beta-blockers and transarterial chemoembolization in the treatment of hepatocellular carcinoma: preliminary data from a propensity matched analysis. Clinical Imaging 2024, 115: 110283. PMID: 39278042, DOI: 10.1016/j.clinimag.2024.110283.Peer-Reviewed Original ResearchHigh‐resolution extracellular pH imaging of liver cancer with multiparametric MR using Deep Image Prior
Dong S, Shewarega A, Chapiro J, Cai Z, Hyder F, Coman D, Duncan J. High‐resolution extracellular pH imaging of liver cancer with multiparametric MR using Deep Image Prior. NMR In Biomedicine 2024, 37: e5145. PMID: 38488205, DOI: 10.1002/nbm.5145.Peer-Reviewed Original ResearchEffect of Incomplete Cryoablation and Matrix Metalloproteinase Inhibition on Intratumoral CD8+ T-Cell Infiltration in Murine Hepatocellular Carcinoma.
Shewarega A, Santana J, Nam D, Berz A, Tefera J, Kahl V, Mishra S, Coman D, Duncan J, Roberts S, Wetter A, Madoff D, Chapiro J. Effect of Incomplete Cryoablation and Matrix Metalloproteinase Inhibition on Intratumoral CD8+ T-Cell Infiltration in Murine Hepatocellular Carcinoma. Radiology 2024, 310: e232365. PMID: 38349244, PMCID: PMC10902598, DOI: 10.1148/radiol.232365.Peer-Reviewed Original Research
2023
Protrieve sheath utilization for capturing supra-filter thrombus during a retrieval of thrombosed and embedded IVC filter
Shewarega A, Powell T, Silin D. Protrieve sheath utilization for capturing supra-filter thrombus during a retrieval of thrombosed and embedded IVC filter. CVIR Endovascular 2023, 6: 52. PMID: 37882904, PMCID: PMC10602975, DOI: 10.1186/s42155-023-00397-4.Peer-Reviewed Original ResearchHepatic Hypertrophy in Normal and Cirrhotic Livers Following Portal Vein Embolization: Comparative Assessment of 2 Different Embolic Regimens in a Large Animal Model
Kuhn T, Kahl V, Wang Y, Berz A, Shewarega A, Santana J, Antoch G, Chapiro J, Schlachter T, Madoff D. Hepatic Hypertrophy in Normal and Cirrhotic Livers Following Portal Vein Embolization: Comparative Assessment of 2 Different Embolic Regimens in a Large Animal Model. Journal Of Vascular And Interventional Radiology 2023, 34: 2162-2172.e2. PMID: 37634850, DOI: 10.1016/j.jvir.2023.08.024.Peer-Reviewed Original Research