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Matteini F, Cannella R, Dioguardi Burgio M, Torrisi C, Sartoris R, Brancatelli G, Vilgrain V, Ronot M, Vernuccio F. Discontinuous peripheral enhancement of focal liver lesions on CT and MRI: outside the box of typical cavernous hemangioma. Abdom Radiol (NY) 2024:10.1007/s00261-024-04522-2. [PMID: 39192088 DOI: 10.1007/s00261-024-04522-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 08/06/2024] [Indexed: 08/29/2024]
Abstract
The discontinuous peripheral enhancement is a pattern of enhancement usually attributed to typical cavernous hemangioma, that is the most common benign solid lesion of the liver. The discontinuous peripheral enhancement, however, may be encountered in many other benign and malignant focal liver lesions as an atypical presentation or evolution, and hemangiomas with discontinuous peripheral hyperenhancement on hepatic arterial phase may not always have the typical post-contrast pattern on portal venous and delayed phases. Therefore, abdominal radiologists may be challenged in their practice by lesions with discontinuous peripheral enhancement. This pictorial essay aims to review the spectrum of benign and malignant focal liver lesions that may show discontinuous peripheral enhancement. A particular point of interest is the diagnostic tree pathway that may guide the radiologists in the differential diagnosis.
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Affiliation(s)
- Francesco Matteini
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Via del Vespro 129, 90127, Palermo, Italy.
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Via del Vespro, 129, 90127, Palermo, Italy.
| | - Roberto Cannella
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Via del Vespro 129, 90127, Palermo, Italy
| | - Marco Dioguardi Burgio
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- INSERM U1149 Centre de Recherche sur l'Inflammation (CRI), Université Paris Cité, Paris, France
| | - Chiara Torrisi
- IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089, Milan, Italy
| | - Riccardo Sartoris
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- INSERM U1149 Centre de Recherche sur l'Inflammation (CRI), Université Paris Cité, Paris, France
| | - Giuseppe Brancatelli
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Via del Vespro 129, 90127, Palermo, Italy
| | - Valérie Vilgrain
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- INSERM U1149 Centre de Recherche sur l'Inflammation (CRI), Université Paris Cité, Paris, France
| | - Maxime Ronot
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- INSERM U1149 Centre de Recherche sur l'Inflammation (CRI), Université Paris Cité, Paris, France
| | - Federica Vernuccio
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Via del Vespro 129, 90127, Palermo, Italy
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Khorasanizadeh F, Azizi N, Cannella R, Brancatelli G. An exploration of radiological signs in post-intervention liver complications. Eur J Radiol 2024; 180:111668. [PMID: 39180784 DOI: 10.1016/j.ejrad.2024.111668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/28/2024] [Accepted: 08/02/2024] [Indexed: 08/26/2024]
Abstract
The advent and progression of radiological techniques in the past few decades have revolutionized the diagnostic and therapeutic landscape for liver diseases. These minimally invasive interventions, ranging from biopsies to complex therapeutic procedures like transjugular intrahepatic portosystemic shunt placement and transarterial embolization, offer substantial benefits for the treatment of patients with liver diseases. They provide accurate tissue diagnosis, allow real-time visualization, and render targeted treatment for hepatic lesions with enhanced precision. Despite their advantages, these procedures are not without risks, with the potential for complications that can significantly impact patient outcomes. It is imperative for radiologists to recognize the signs of these complications promptly to mitigate further health deterioration. Ultrasound, CT, and MRI are widely utilized examinations for monitoring the complications. This article presents an overarching review of the most commonly encountered hepatobiliary complications post-radiological interventions, emphasizing their imaging characteristics to improve patient post-procedure management.
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Affiliation(s)
- Faezeh Khorasanizadeh
- Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Tehran University of Medical Science, Tehran, Iran
| | - Narges Azizi
- Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Tehran University of Medical Science, Tehran, Iran
| | - Roberto Cannella
- Section of Radiology - Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy.
| | - Giuseppe Brancatelli
- Section of Radiology - Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
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Matteini F, Cannella R, Garzelli L, Dioguardi Burgio M, Sartoris R, Brancatelli G, Vilgrain V, Ronot M, Vernuccio F. Benign and malignant focal liver lesions displaying rim arterial phase hyperenhancement on CT and MRI. Insights Imaging 2024; 15:178. [PMID: 39020233 PMCID: PMC11254889 DOI: 10.1186/s13244-024-01756-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 06/22/2024] [Indexed: 07/19/2024] Open
Abstract
Rim arterial phase hyperenhancement is an imaging feature commonly encountered on contrast-enhanced CT and MRI in focal liver lesions. Rim arterial phase hyperenhancement is a subtype of arterial phase hyperenhancement mainly present at the periphery of lesions on the arterial phase. It is caused by a relative arterialization of the periphery compared with the center of the lesion and needs to be differentiated from other patterns of peripheral enhancement, including the peripheral discontinuous nodular enhancement and the corona enhancement. Rim arterial phase hyperenhancement may be a typical or an atypical imaging presentation of many benign and malignant focal liver lesions, challenging the radiologists during imaging interpretation. Benign focal liver lesions that may show rim arterial phase hyperenhancement may have a vascular, infectious, or inflammatory origin. Malignant focal liver lesions displaying rim arterial phase hyperenhancement may have a vascular, hepatocellular, biliary, lymphoid, or secondary origin. The differences in imaging characteristics on contrast-enhanced CT may be subtle, and a multiparametric approach on MRI may be helpful to narrow the list of differentials. This article aims to review the broad spectrum of focal liver lesions that may show rim arterial phase hyperenhancement, using an approach based on the benign and malignant nature of lesions and their histologic origin. CRITICAL RELEVANCE STATEMENT: Rim arterial phase hyperenhancement may be an imaging feature encountered in benign and malignant focal liver lesions and the diagnostic algorithm approach provided in this educational review may guide toward the final diagnosis. KEY POINTS: Several focal liver lesions may demonstrate rim arterial phase hyperenhancement. Rim arterial phase hyperenhancement may occur in vascular, inflammatory, and neoplastic lesions. Rim arterial phase hyperenhancement may challenge radiologists during image interpretation.
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Affiliation(s)
- Francesco Matteini
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Palermo, Italy
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Roberto Cannella
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Palermo, Italy
| | - Lorenzo Garzelli
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- Université Paris Cité, INSERM U1149, "Centre de Recherche sur l'Inflammation"; CRI, Paris, France
| | - Marco Dioguardi Burgio
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- Université Paris Cité, INSERM U1149, "Centre de Recherche sur l'Inflammation"; CRI, Paris, France
| | - Riccardo Sartoris
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- Université Paris Cité, INSERM U1149, "Centre de Recherche sur l'Inflammation"; CRI, Paris, France
| | - Giuseppe Brancatelli
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Palermo, Italy
| | - Valérie Vilgrain
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- Université Paris Cité, INSERM U1149, "Centre de Recherche sur l'Inflammation"; CRI, Paris, France
| | - Maxime Ronot
- Department of Radiology, Hôpital Beaujon, AP-HP.Nord, Paris, France
- Université Paris Cité, INSERM U1149, "Centre de Recherche sur l'Inflammation"; CRI, Paris, France
| | - Federica Vernuccio
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University Hospital of Palermo, Palermo, Italy.
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Galarraga-Vinueza ME, Barootchi S, Mancini L, Sabri H, Schwarz F, Gallucci GO, Tavelli L. Echo-intensity characterization at implant sites and novel diagnostic ultrasonographic markers for peri-implantitis. J Clin Periodontol 2024. [PMID: 38561985 DOI: 10.1111/jcpe.13976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024]
Abstract
AIM To apply high-frequency ultrasound (HFUS) echo intensity for characterizing peri-implant tissues at healthy and diseased sites and to investigate the possible ultrasonographic markers of health versus disease. MATERIALS AND METHODS Sixty patients presenting 60 implants diagnosed as healthy (N = 30) and peri-implantitis (N = 30) were assessed with HFUS. HFUS scans were imported into a software where first-order greyscale outcomes [i.e., mean echo intensity (EI)] and second-order greyscale outcomes were assessed. Other ultrasonographic outcomes of interest involved the vertical extension of the hypoechoic supracrestal area (HSA), soft-tissue area (STA) and buccal bone dehiscence (BBD), among others. RESULTS HFUS EI mean values obtained from peri-implant soft tissue at healthy and diseased sites were 122.9 ± 19.7 and 107.9 ± 24.7 grey levels (GL); p = .02, respectively. All the diseased sites showed the appearance of an HSA that was not present in healthy implants (area under the curve = 1). The proportion of HSA/STA was 37.9% ± 14.8%. Regression analysis showed that EI of the peri-implant soft tissue was significantly different between healthy and peri-implantitis sites (odds ratio 0.97 [95% confidence interval: 0.94-0.99], p = .019). CONCLUSIONS HFUS EI characterization of peri-implant tissues shows a significant difference between healthy and diseased sites. HFUS EI and the presence/absence of an HSA may be valid diagnostic ultrasonographic markers to discriminate peri-implant health status.
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Affiliation(s)
- Maria Elisa Galarraga-Vinueza
- Department of Prosthodontics, Tufts University School of Dental Medicine, Boston, Massachusetts, USA
- School of Dentistry, Universidad de las Américas (UDLA), Quito, Ecuador
| | - Shayan Barootchi
- Department of Oral Medicine, Infection, and Immunity, Division of Periodontology, Harvard School of Dental Medicine, Boston, Massachusetts, USA
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
- Center for Clinical Research and Evidence Synthesis In oral TissuE RegeneratION (CRITERION), Boston, Massachusetts, USA
| | - Leonardo Mancini
- Department of Oral Medicine, Infection, and Immunity, Division of Periodontology, Harvard School of Dental Medicine, Boston, Massachusetts, USA
- Center for Clinical Research and Evidence Synthesis In oral TissuE RegeneratION (CRITERION), Boston, Massachusetts, USA
| | - Hamoun Sabri
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
- Center for Clinical Research and Evidence Synthesis In oral TissuE RegeneratION (CRITERION), Boston, Massachusetts, USA
| | - Frank Schwarz
- Department of Oral Surgery and Implantology, Carolinum, Johann Wolfgang Goethe-University Frankfurt, Frankfurt, Germany
| | - German O Gallucci
- Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Lorenzo Tavelli
- Department of Oral Medicine, Infection, and Immunity, Division of Periodontology, Harvard School of Dental Medicine, Boston, Massachusetts, USA
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
- Center for Clinical Research and Evidence Synthesis In oral TissuE RegeneratION (CRITERION), Boston, Massachusetts, USA
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Pooyan A, Mansoori B, Wang C. Imaging of abdominopelvic oncologic emergencies. Abdom Radiol (NY) 2024; 49:823-841. [PMID: 38017112 DOI: 10.1007/s00261-023-04112-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/18/2023] [Accepted: 10/22/2023] [Indexed: 11/30/2023]
Abstract
With advancements in cancer treatment, the survival rates for many malignancies have increased. However, both the primary tumors and the treatments themselves can give rise to various complications. Acute symptoms in oncology patients require prompt attention. Abdominopelvic oncologic emergencies can be classified into four distinct categories: vascular, bowel, hepatopancreatobiliary, and bone-related complications. Radiologists need to be familiar with these complications to ensure timely diagnosis, which ultimately enhances patient outcomes.
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Affiliation(s)
- Atefe Pooyan
- Department of Radiology, UW Radiology-Roosevelt Clinic, University of Washington, 4245 Roosevelt Way NE, Box 354755, Seattle, WA, 98105, USA
| | - Bahar Mansoori
- Department of Radiology, Section of Abdominal Imaging, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195-7115, USA
| | - Carolyn Wang
- Department of Radiology, Section of Abdominal Imaging, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195-7115, USA.
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Cohen N, Orenbuch-Harroch E, Olshtain-Pops K, Lachish T, Korem M. Epidemiology, Clinical Characteristics and Risk Factors for Severity of Chronic Disseminated Candidiasis in Jerusalem, Israel. Mycopathologia 2023; 188:873-883. [PMID: 37326819 DOI: 10.1007/s11046-023-00755-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 05/25/2023] [Indexed: 06/17/2023]
Abstract
Chronic disseminated candidiasis (CDC) occurs mostly in patients with acute hematologic malignancy and its clinical manifestations derive from immune reconstitution following neutrophil recovery. The aim of this study was to describe epidemiological and clinical characteristics of CDC and define risk factors for disease severity. Demographic and clinical data were collected from medical files of patients with CDC hospitalized in two tertiary medical centers in Jerusalem between 2005 and 2020. Associations between different variables and disease severity were evaluated, as well as characterization of Candida species. The study included 35 patients. CDC incidence slightly increased during study years and the average number of involved organs and disease duration was 3 ± 1.26 and 178 ± 123 days, respectively. Candida grew in blood in less than third of cases and the most common isolated pathogen was Candida tropicalis (50%). Histopathological or microbiological workup in patients who underwent an organ biopsy demonstrated Candida in about half of the patients. Nine months after starting antifungals, 43% of the patients still didn't have resolution of organ lesions in imaging modalities. Factors associated with protracted and extensive disease were prolonged fever prior to CDC and absence of candidemia. A C- Reactive Protein (CRP) cutoff level of 7.18 mg/dL was found to predict extensive disease. In conclusion, CDC incidence is increasing and the number of involved organs is higher than previously described. Clinical factors such as fever duration prior to CDC and absence of candidemia can predict severe course of disease and assist in treatment decisions and follow-up planning.
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Affiliation(s)
- Nerel Cohen
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- Medical Corps, Israel Defense Forces, Ramat-Gan, Israel
| | - Efrat Orenbuch-Harroch
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- Medical Intensive Care Unit, Hadassah Medical Center, Jerusalem, Israel
| | - Karen Olshtain-Pops
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- The Department of Clinical Microbiology and Infectious Diseases, Hadassah Medical Center, P.O. Box 12000, 9112102, Jerusalem, Israel
| | - Tamar Lachish
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- Infectious Diseases Unit, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Maya Korem
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
- The Department of Clinical Microbiology and Infectious Diseases, Hadassah Medical Center, P.O. Box 12000, 9112102, Jerusalem, Israel.
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Complications after Thermal Ablation of Hepatocellular Carcinoma and Liver Metastases: Imaging Findings. Diagnostics (Basel) 2022; 12:diagnostics12051151. [PMID: 35626306 PMCID: PMC9139664 DOI: 10.3390/diagnostics12051151] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 04/26/2022] [Accepted: 05/03/2022] [Indexed: 01/25/2023] Open
Abstract
Tumour ablation is a strategy of treatment of hepatic tumours in patients with small hepatocellular carcinoma (HCC) (<3 cm) or in patients unfit for surgical resection. Moreover, tumor ablation can be used as an adjuvant therapy or may be used in association with resection in case of patients with poor functional liver disease. These types of treatment usually could be performed percutaneously under image guidance. The most clinically verified and used ablation modalities are Radiofrequency Ablation (RFA) and microwave ablation (MWA). However, despite both of them are considered minimally invasive techniques, they could be related to post-procedural complications. The International Working Group on Image-Guided Tumor and the Society of Interventional Radiology (SIR) identified major and minor post-ablative complications. Major complications, as vascular complications, occur in 2.2% to 3.1% of cases and include all the high risk pathological conditions which could increase the level of care or result in hospital admission or substantially prolonged hospital stay (SIR classifications C−E). Minor complications, as biliary complications, occur in 5% to 8.9% and include self-limiting conditions that are considered to be of low risk for the patient’s outcome. The purpose of this review is to summarise the main pathological ultrasound (US) and Computed Tomography (CT) findings, that may arise after ablative treatment. To simplify the analysis, the pathological pictures are divided according to the site of damage into vascular, biliary and extrahepatic complications.
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Omorogbe E, Stormo J. Sonographic Detection of Hepatic Abscesses. JOURNAL OF DIAGNOSTIC MEDICAL SONOGRAPHY 2022. [DOI: 10.1177/87564793221076760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Hepatic abscesses are masses or lesions within the liver as a response to an infection manifesting into the liver. Hepatic abscess can be a result of other abdominal diseases, such as any biliary tract disease or appendicitis. Because of its inconsistent characteristics in many imaging modalities, its appearance can be mistaken for other pathologies like liver metastasis. With the use of one or more imaging modalities and an imaging-guided biopsy of the targeted lesion, hepatic abscess can be confirmed. The case presents multiple hepatic abscesses throughout the liver with similar imaging characteristics as that of metastasis. Computed tomography (CT), sonography, magnetic resonance imaging, and a biopsy were performed to successfully diagnose the hepatic abscesses.
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Affiliation(s)
- Etinosa Omorogbe
- Diagnostic Medical Ultrasound Program, University of Missouri-Columbia, MO, USA
| | - Janell Stormo
- Diagnostic Medical Ultrasound Program, University of Missouri-Columbia, MO, USA
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Metra BM, Guglielmo FF, Halegoua-DeMarzio DL, Civan JM, Mitchell DG. Beyond the Liver Function Tests: A Radiologist's Guide to the Liver Blood Tests. Radiographics 2021; 42:125-142. [PMID: 34797734 DOI: 10.1148/rg.210137] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Liver blood tests (often also known as liver chemistries, liver tests, or the common misnomer liver function tests) are routinely used in diagnosis and management of hepatobiliary disease. Abnormal liver blood test results are often the first indicator of hepatobiliary disease and a common indication for abdominal imaging with US, CT, or MRI. Most of the disease entities can be categorized into hepatocellular or cholestatic patterns, with characteristic traits on liver blood tests. Each pattern has a specific differential, which can help narrow the differential diagnosis when combined with the clinical history and imaging findings. This article reviews the major liver blood tests as well as a general approach to recognizing common patterns of hepatobiliary disease within these tests (hepatocellular, cholestatic, acute liver failure, isolated hyperbilirubinemia). Examples of hepatobiliary disease with hepatocellular or cholestatic patterns are presented with characteristic test abnormalities and imaging findings. The commonly encountered scenario of chronic hepatitis with possible fibrosis is also reviewed, with discussion of potential further imaging such as elastography. The role of liver blood tests and imaging in evaluating complications of hepatic transplant is also discussed. Overall, integrating liver blood test patterns with imaging findings can help the radiologist accurately diagnose hepatobiliary disease, especially in cases where imaging findings may not allow differentiation between different entities. ©RSNA, 2021.
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Affiliation(s)
- Brandon M Metra
- From the Departments of Radiology (B.M.M., F.F.G., D.G.M.) and Internal Medicine (D.L.H.D., J.M.C.), Division of Gastroenterology and Hepatology, Thomas Jefferson University, 132 S 10th St, Main Bldg, Philadelphia, PA 19107
| | - Flavius F Guglielmo
- From the Departments of Radiology (B.M.M., F.F.G., D.G.M.) and Internal Medicine (D.L.H.D., J.M.C.), Division of Gastroenterology and Hepatology, Thomas Jefferson University, 132 S 10th St, Main Bldg, Philadelphia, PA 19107
| | - Dina L Halegoua-DeMarzio
- From the Departments of Radiology (B.M.M., F.F.G., D.G.M.) and Internal Medicine (D.L.H.D., J.M.C.), Division of Gastroenterology and Hepatology, Thomas Jefferson University, 132 S 10th St, Main Bldg, Philadelphia, PA 19107
| | - Jesse M Civan
- From the Departments of Radiology (B.M.M., F.F.G., D.G.M.) and Internal Medicine (D.L.H.D., J.M.C.), Division of Gastroenterology and Hepatology, Thomas Jefferson University, 132 S 10th St, Main Bldg, Philadelphia, PA 19107
| | - Donald G Mitchell
- From the Departments of Radiology (B.M.M., F.F.G., D.G.M.) and Internal Medicine (D.L.H.D., J.M.C.), Division of Gastroenterology and Hepatology, Thomas Jefferson University, 132 S 10th St, Main Bldg, Philadelphia, PA 19107
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