Abdominal Radiology最新文献

{"title":"Magnetic resonance imaging features of uterine adenosarcoma: case series and systematic review.","authors":"Kazuhiko Morikawa, Akira Baba, Satoshi Matsushima, Yohei Ohki, Megumi Shiraishi, Ayako Kawabata, Natsuko Ukai, Hiroya Ojiri","doi":"10.1007/s00261-024-04704-y","DOIUrl":"https://doi.org/10.1007/s00261-024-04704-y","url":null,"abstract":"<p><strong>Objectives: </strong>To comprehensively summarize the characteristics of magnetic resonance imaging (MRI) findings of uterine adenosarcoma through a systematic review and case series analysis.</p><p><strong>Methods: </strong>A literature search was conducted in MEDLINE, Scopus, and Embase databases on June 3, 2024. In total, 25 cases from 23 articles were selected, and five cases from the authors' institution were included. Two board-certified radiologists evaluated the demographic, clinical, and radiological data.</p><p><strong>Results: </strong>The median age at diagnosis was 48.5 years (range: 9-79 years). The most frequent chief complaint was abnormal bleeding (96.7%), pathological T1 stage was predominant (85.2%), and 55.2% of the patients had sarcomatous overgrowth. Locoregional/distant recurrence occurred in 36.4% of the patients. MRI findings revealed that the mean longest lesion size was 9.3 cm. However, most lesions were located in the uterine body (93.1%) and primarily involved the endometrium (96.6%). Most cases (90.0%) were polypoid lesions with 80.8% protruding into the cervical canal. Cystic changes were prevalent (96.5%) and hemorrhage was observed in 84.6% of the evaluated cases. Lesions showed high (51.7%) or intermediate (48.3%) signal intensity compared with the uterine myometrium on T2-weighted imaging. Furthermore, all lesions showed heterogeneous enhancement on contrast-enhanced MRI, and the mean apparent diffusion coefficient value was 1.05 × 10^-3 mm²/s.</p><p><strong>Conclusion: </strong>Our findings provide a comprehensive analysis of MRI features in uterine adenosarcoma cases, highlighting key characteristics that may aid in preoperative diagnosis and differentiation from other uterine malignancies.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142891294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Image-guided percutaneous mesenteric biopsy: diagnostic yield and safety profile.","authors":"Sarah M Daggett, Perry J Pickhardt, Matthew Elissa, Elizabeth S Richards, Ryan Zea, Meghan G Lubner","doi":"10.1007/s00261-024-04706-w","DOIUrl":"https://doi.org/10.1007/s00261-024-04706-w","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the diagnostic yield and safety profile of percutaneous image-guided biopsy of mesenteric lesions.</p><p><strong>Materials, methods, and procedures: </strong>Image-guided percutaneous biopsies of the mesentery at a single institution from 2000 to 2022 were identified and reviewed. Relevant demographic and procedural data were abstracted from the medical record. Surgical pathology was reviewed to evaluate if the biopsy was diagnostic and concordant with the patient's final diagnosis.</p><p><strong>Results: </strong>One hundred ninety five patients (mean age, 62.6 ± 14.; M/F, 113/82; mean BMI, 30.4) underwent mesenteric biopsy procedure. Of these, 173 (89%) were performed using ultrasound and 22 (11%) were performed using CT or a hybrid/combined approach. Core needle biopsy was used in 164 (84%) patients, fine-needle aspiration (FNA) was used in 21 (11%), and both were used 10 (5%). Mean/median number of biopsy passes was 2.8 ± 1.3 and 3, respectively (core mean 2.7 ± 1.2; FNA mean 3.4 ± 1.5). Average lesion size was 5.3 ± 4.4 cm in the long axis and 2.9 ± 2.0 cm in the target plane. Diagnostic yield of core biopsies was 97.7% (n = 170/174) and FNA was 80.6% (n = 25/31) for an overall combined yield of 96.4% (n = 188/195). Of diagnostic biopsies, 95.7% (n = 180/188) were concordant with the final diagnosis, 70.8% (n = 138) of which were considered malignant. Overall concordant diagnostic rate was 180/195 (92.3%). Neuroendocrine tumor pathology was the only factor associated with lower diagnostic yield (13/15, 87%). For all biopsies, average shortest skin-to-target-distance on CT was 6.3 ± 2.8 cm, decreased to 4.1 ± 1.3 cm with US compression (approximately 35% reduction, p < 0.001). Additionally, ultrasound created a safe path not available on CT in 29 (15%) biopsies. Moderate IV sedation was used in 91.3% (n = 178) of mesenteric procedures. Complications occurred in 11 (5.6%) biopsies, and all were considered minor.</p><p><strong>Conclusion: </strong>This represents a large cohort of image-guided percutaneous biopsies of mesenteric lesions with the majority representing core biopsy performed under US guidance. This technique offers high diagnostic yield and a favorable safety profile for tissue diagnosis. Furthermore, compression with ultrasound reduced skin-to-target distance by 35% and created a biopsy path that would not be possible on CT in 15% of US cases.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142891276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Precise vesical wall staging of bladder cancer in the era of precision medicine: has it been fulfilled?","authors":"Mohamed Ragab Nouh, Omnia Ezz Eldin","doi":"10.1007/s00261-024-04786-8","DOIUrl":"https://doi.org/10.1007/s00261-024-04786-8","url":null,"abstract":"<p><p>Urinary bladder cancer is a global disease that poses medical and socioeconomic challenges to patients and healthcare systems. Predicting detrusor invasiveness and pathological grade of bladder cancer by the radiologist is imperative for informed decision-making and effective patient-tailored therapy. Cystoscopy and TURBT are the current gold standard for preoperative histologic diagnosis and local pathological staging but are compromised by their intrusiveness, under-sampling, and staging inaccuracies. Over the last few decades, incredible imaging technology advancements have enabled radiologists to progress in these grading and staging tasks. MRI has become widely accepted as a noninvasive alternative. It supplements morphologic data with functional insights into the tumor microenvironment, enhancing tumor characterization and predicting the detrusor's histologic grade and invasiveness status. Radiomics is a promising field that helps radiologists achieve higher accuracies in bladder cancer staging, re-staging, and direct treating teams to potential management readjustments. Such knowledge leaps hold promise for personalized management of bladder cancer in a precision medicine era.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142891299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preoperative clinical and contrasted-enhanced CT features to predict perineural invasion in gallbladder carcinoma: focus on clinical T3-4 stage.","authors":"Lu Chen, Yang Zhou, Xun Xu, Hui Zhang, Xuan Xiao, Chang-Xian Li, Wei You, Hai-Bin Shi, Xi-Sheng Liu, Fei-Yun Wu, Xiang-Cheng Li, Fei-Peng Zhu","doi":"10.1007/s00261-024-04782-y","DOIUrl":"https://doi.org/10.1007/s00261-024-04782-y","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the utility of combining clinical and contrasted-enhanced tomography (CECT) parameters for the preoperative evaluation of perineural invasion (PNI) in gallbladder carcinoma (GBC).</p><p><strong>Methods: </strong>A total of 134 patients with GBC (male/female, 52/82; age, 64.4 ± 9.7 years) were divided into PNI-positive (n = 63) and PNI-negative groups (n = 71). Clinical characteristics (demographic information, liver function indicators and tumor markers) and CECT parameters (tumor type, tumor size, gallbladder stone, invasion of gallbladder neck/cystic duct, clinical T stage and N stage) were collected and compared between two groups. Binary logistic regression analysis, receiver operating characteristic curves analyses and Delong test were used in further statistical analyses in clinical T3-4 stage (cT3-4) GBC patients. Overall survival (OS) rates after surgery were compared between PNI-negative group and PNI-positive group of cT3-4 GBC patients.</p><p><strong>Results: </strong>The majority of GBC patients with PNI were classified as cT3-4 (61/63, 96.8%), while only 3.2% (2/63) of PNI-positive cases were identified at cT1-2. Among cT3-4 GBC, OS was significantly lower in the PNI-positive group than the PNI-negative group after surgery (HR,1.661; 95% CI, 1.044-2.643; P = 0.032). Gender and gallbladder neck/cystic duct invasion were independent predictive factors for cT3-4 GBC patients with PNI. A combination of gender and gallbladder neck/cystic duct invasion showed the best diagnostic performance than that of individual parameters (all P < 0.05).</p><p><strong>Conclusions: </strong>Preoperative T staging using CECT enables the initial assessment of PNI status in GBC patients. A combination of gender and gallbladder neck/cystic duct invasion may effectively predict PNI in GBC, particularly in cT3-4 GBC.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142891303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cystic lesions and their mimics involving the intrahepatic bile ducts and peribiliary space: diagnosis, complications, and management.","authors":"Rachita Khot, Dhakshinamoorthy Ganeshan, Karthik M Sundaram, Jena N Depetris, Daniel R Ludwig","doi":"10.1007/s00261-024-04742-6","DOIUrl":"https://doi.org/10.1007/s00261-024-04742-6","url":null,"abstract":"<p><p>Biliary and peribiliary cystic lesions represent a diverse group of abnormalities, often discovered incidentally during imaging for unrelated conditions. These lesions, typically asymptomatic, necessitate precise imaging modalities to characterize their nature and determine subsequent clinical actions, such as follow-up imaging, biopsy, or surgical referral. The anatomic location of these cystic lesions, whether biliary or peribiliary, influences both diagnostic and prognostic outcomes. Biliary cystic lesions, such as mucinous cystic neoplasms, intraductal papillary neoplasms of the bile duct, and Caroli disease, require careful monitoring due to their propensity to develop malignancy. In contrast, peribiliary cysts are often associated with chronic liver disease and may indicate disease progression through a gradual increase in cyst size. Accurate differentiation of these lesions from other clinical entities that have overlapping features on imaging, such as microabscesses, bilomas, Langerhans cell histiocytosis, neurofibromatosis, and vascular anomalies such as cavernous transformation of the portal vein, is essential given the divergent management for each. This article focuses on intrahepatic biliary and peribiliary cystic lesions and their mimics, highlighting their imaging characteristics with an emphasis on magnetic resonance imaging and magnetic resonance cholangiopancreatography, differential diagnosis, potential associated complications, and clinical management.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142891274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy of machine learning models for pre-diagnosis and diagnosis of pancreatic ductal adenocarcinoma in contrast-CT images: a systematic review and meta-analysis.","authors":"Geraldo Lucas Lopes Costa, Guido Tasca Petroski, Luis Guilherme Machado, Bruno Eulalio Santos, Fernanda de Oliveira Ramos, Leo Max Feuerschuette Neto, Graziela De Luca Canto","doi":"10.1007/s00261-024-04771-1","DOIUrl":"https://doi.org/10.1007/s00261-024-04771-1","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the diagnostic ability and methodological quality of ML models in detecting Pancreatic Ductal Adenocarcinoma (PDAC) in Contrast CT images.</p><p><strong>Method: </strong>Included studies assessed adults diagnosed with PDAC, confirmed by histopathology. Metrics of tests were interpreted by ML algorithms. Studies provided data on sensitivity and specificity. Studies that did not meet the inclusion criteria, segmentation-focused studies, multiple classifiers or non-diagnostic studies were excluded. PubMed, Cochrane Central Register of Controlled Trials, and Embase were searched without restrictions. Risk of bias was assessed using QUADAS-2, methodological quality was evaluated using Radiomics Quality Score (RQS) and a Checklist for AI in Medical Imaging (CLAIM). Bivariate random-effects models were used for meta-analysis of sensitivity and specificity, I² values and subgroup analysis used to assess heterogeneity.</p><p><strong>Results: </strong>Nine studies were included and 12,788 participants were evaluated, of which 3,997 were included in the meta-analysis. AI models based on CT scans showed an accuracy of 88.7% (IC 95%, 87.7%-89.7%), sensitivity of 87.9% (95% CI, 82.9%-91.6%), and specificity of 92.2% (95% CI, 86.8%-95.5%). The average score of six radiomics studies was 17.83 RQS points. Nine ML methods had an average CLAIM score of 30.55 points.</p><p><strong>Conclusions: </strong>Our study is the first to quantitatively interpret various independent research, offering insights for clinical application. Despite favorable sensitivity and specificity results, the studies were of low quality, limiting definitive conclusions. Further research is necessary to validate these models before widespread adoption.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142885212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of normal portal vein diameter in children and adolescents on abdominal contrast-enhanced CT.","authors":"Xiaoxi Chen, Xiaoli Liu, Chunhong Wu, Li Li, Xia Qin, Tingting Zhou, Jiajie Tian","doi":"10.1007/s00261-024-04755-1","DOIUrl":"https://doi.org/10.1007/s00261-024-04755-1","url":null,"abstract":"<p><strong>Purpose: </strong>To establish the normal ranges of the main portal vein (MPV), left portal vein (LPV), and right portal vein (RPV) diameters in children and adolescents using abdominal contrast-enhanced CT.</p><p><strong>Methods: </strong>We retrospectively enrolled children and adolescents (under 19 years) who underwent abdominal contrast-enhanced CT examinations in our hospital between January 2018 and January 2024. Subjects with conditions potentially affecting the portal vein diameter were excluded. Subjects' gender and age were collected. The height, weight, and body surface area (BSA) were also collected if available. The diameter of MPV was measured at three points: porta hepatis, midpoint, and the confluence of the superior mesenteric vein and the splenic vein. The diameter of LPV and RPV were also measured. The correlations between age, height, weight, BSA, and portal vein diameters were analyzed.</p><p><strong>Results: </strong>A total of 1231 individuals were included, comprising 722 boys and 509 girls, with a median age of 10 years. 189 individuals' height, weight, and BSA information were obtained. The normal ranges of MPV, LPV, and RPV, depending on different age, height, weight, and BSA groups, were established. The diameters of MPV, LPV, and RPV were all positively correlated with age, height, weight, and BSA (all P < 0.001).</p><p><strong>Conclusions: </strong>This study establishes the normal reference ranges for MPV, LPV, and RPV diameters in children and adolescents based on contrast-enhanced CT scans, which will help the diagnosis and treatment of hepatobiliary diseases.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142880994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Common pitfalls and diagnostic challenges in the application of LI-RADS CT/MRI algorithms: a comprehensive review.","authors":"Omar Kamal, Alexandra Roudenko, Mahmoud Diab, Anuradha Shenoy-Bhangle, James Lee, Claude B Sirlin, Alice Fung, Khaled M Elsayes","doi":"10.1007/s00261-024-04778-8","DOIUrl":"https://doi.org/10.1007/s00261-024-04778-8","url":null,"abstract":"<p><p>The Liver Imaging Reporting and Data System (LI-RADS) was developed to standardize the interpretation and reporting of liver observations in at-risk populations, aiding in the diagnosis of hepatocellular carcinoma (HCC). Despite its advantages, the application of LI-RADS can be challenging due to the complexity of liver pathology and imaging interpretation. This comprehensive review highlights common pitfalls encountered in LI-RADS application and offers practical strategies to enhance diagnostic accuracy and consistency among radiologists. Key areas of difficulty include misapplication in non-high-risk populations, misinterpretation of major imaging features such as arterial phase hyperenhancement and washout, and incorrect application of ancillary features. Additionally, the review addresses challenges related to atypical HCC presentations and HCC mimics. By recognizing and addressing these pitfalls, radiologists can improve diagnostic accuracy and avoid common mistakes in the diagnosis of HCC.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142881031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multi-band vs. conventional diffusion-weighted MRI of the abdomen in children and young adults.","authors":"Pradipta Debnath, Jean A Tkach, Zachary R Abramson, Nadeen K Abu Ata, Brian D Coley, Katherine N Epstein, Lindsay Griffin, Bin Zhang, Andrew T Trout, Jonathan Dillman, Cara E Morin","doi":"10.1007/s00261-024-04765-z","DOIUrl":"https://doi.org/10.1007/s00261-024-04765-z","url":null,"abstract":"<p><strong>Objectives: </strong>Implementation of diffusion-weighted imaging (DWI) for abdominal imaging in children has challenges due to motion artifacts exacerbated by long acquisition times. We aimed to compare acquisition time and image quality between conventional DWI and multi-band (MB) DWI of the liver in children and young adults.</p><p><strong>Methods: </strong>Clinical MRI exams from May 2023 to January 2024 were reviewed, including four DWI sequences: respiratory-triggered (RTr, clinical standard), free-breathing (FB), MB-DWI with shift factor 1 (MBsf1), and MB-DWI with shift factor 2 (MBsf2). Acquisition times were recorded, and signal intensity and apparent signal-to-noise ratio (aSNR) were calculated for the liver and spleen. Six blinded pediatric radiologists independently assessed image quality, artifacts, and lesion visualization on a 5-point Likert scale and identified their preferred sequence. Statistical comparisons were made using Kruskal-Wallis and ANOVA tests.</p><p><strong>Results: </strong>Median acquisition times were significantly reduced with MB-DWI (43 s for MBsf1/MBsf2) compared to FB (84 s) and RTr (240 s). Image quality and artifact scores were highest for RTr and FB sequences (p < 0.0001). Mean image quality scores were 3.7 (RTr, FB), 3.4 (MBsf1), and 3.5 (MBsf2), while artifact scores followed a similar trend (higher score = fewer artifacts). Lesion visualization scores were comparable across sequences (p = 0.11), and reviewers expressed no preference in 47% of cases. Apparent diffusion coefficient (ADC) values were consistent across all sequences (p > 0.05).</p><p><strong>Conclusion: </strong>MB-DWI significantly reduces acquisition time while maintaining acceptable image quality and lesion visualization, making it a valuable option for pediatric abdominal MRI.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142881036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Beyond cholangiocarcinoma: imaging features of mimicking pathologies in the biliary tract.","authors":"Hala Khasawneh, Ciara O'Brien, Ferenc Czeyda-Pommersheim, Aliya Qayyum, Frank H Miller, Hina Arif Tiwari, Raj Mohan Paspulati, Andrea S Kierans","doi":"10.1007/s00261-024-04749-z","DOIUrl":"https://doi.org/10.1007/s00261-024-04749-z","url":null,"abstract":"<p><p>Cholangiocarcinoma (CCA) is the second most common primary malignancy of the hepatobiliary system and presents as a heterogeneous disease with three distinct morphological subtypes: mass-forming, periductal-infiltrating, and intraductal-growing, each characterized by distinguishing imaging features. Accurate diagnosis of CCA is challenging due to the overlap of imaging findings with a broad range of benign and malignant conditions. Therefore, it is essential for radiologists to recognize these mimickers and offer a reasonable differential diagnosis, as this has a significant impact on patient management. Although histopathological confirmation is often required for a definitive diagnosis, understanding specific imaging characteristics that differentiate CCA from its mimickers is crucial. This article highlights a variety of benign and malignant conditions that resemble CCA on imaging, emphasizing features that enhance diagnostic accuracy in clinical practice.</p>","PeriodicalId":7126,"journal":{"name":"Abdominal Radiology","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}