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Seminars in Ultrasound Ct and Mri最新文献

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Anatomy of Pulmonary Lymphatics and Lymphoid tissues. 肺淋巴及淋巴组织解剖。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-07-22 DOI: 10.1053/j.sult.2025.07.002
Ryoko Egashira, Daisuke Yamada, Joseph Jacob
{"title":"Anatomy of Pulmonary Lymphatics and Lymphoid tissues.","authors":"Ryoko Egashira, Daisuke Yamada, Joseph Jacob","doi":"10.1053/j.sult.2025.07.002","DOIUrl":"https://doi.org/10.1053/j.sult.2025.07.002","url":null,"abstract":"<p><p>This review summarises the three components of the pulmonary lymphatic system: lymphatic channels, bronchus-associated lymphoid tissue (BALT), and intrapulmonary lymph nodes. Lymphatic vessels are distributed within the bronchovascular bundles, in the interlobular septa and visceral pleura, and around small pulmonary arteries and veins within the secondary pulmonary lobules.　Normally invisible on CT, they may appear with lymphatic dilation or disease spreading via lymphatic routes. BALT is usually absent histologically in healthy lungs but may be visible in smokers or autoimmune conditions. Intrapulmonary lymph nodes present as well-defined peripheral nodules in the lower lobes, often with linear opacities.</p>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144709640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Letter From the Guest Editor. 特邀编辑来信。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-07-05 DOI: 10.1053/j.sult.2025.07.001
Takeshi Johkoh
{"title":"Letter From the Guest Editor.","authors":"Takeshi Johkoh","doi":"10.1053/j.sult.2025.07.001","DOIUrl":"10.1053/j.sult.2025.07.001","url":null,"abstract":"","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144585425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pathologic Findings of Pulmonary Lymphoproliferative Disorders. 肺淋巴细胞增生性疾病的病理表现。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-07-01 DOI: 10.1053/j.sult.2025.06.005
Yoshiaki Zaizen, Junya Fukuoka
{"title":"Pathologic Findings of Pulmonary Lymphoproliferative Disorders.","authors":"Yoshiaki Zaizen, Junya Fukuoka","doi":"10.1053/j.sult.2025.06.005","DOIUrl":"10.1053/j.sult.2025.06.005","url":null,"abstract":"<p><p>Pulmonary lymphoproliferative disorders (PLDs) are a diverse group of rare entities characterized by abnormal lymphoid proliferation within the lung. These include both benign and malignant processes and are classified into five categories in the 2021 WHO Classification of Thoracic Tumors: benign hyperplastic disorders, primary pulmonary neoplasms, secondary involvement of the lung, posttransplant lymphoproliferative disorders, and histiocytic neoplasms. Diagnosing PLDs is often challenging due to their histological similarity to other lymphocyte-rich interstitial lung diseases, including cellular nonspecific interstitial pneumonia (NSIP) and hypersensitivity pneumonitis. A multidisciplinary approach integrating clinical, radiologic, and pathological information is essential to reach an accurate diagnosis. This review focuses on the detailed pathological features of PLDs, particularly benign hyperplastic disorders and primary pulmonary neoplasms. It emphasizes the differential diagnosis and highlights distinguishing characteristics among key subtypes, including lymphoid interstitial pneumonia, follicular bronchiolitis, nodular lymphoid hyperplasia, Castleman disease, IgG4-related disease, and primary pulmonary lymphomas such as MALT lymphoma, diffuse large B-cell lymphoma, and lymphomatoid granulomatosis. Special attention is paid to morphological patterns, immunophenotypes, and diagnostic challenges encountered with small biopsies. Given the broad differential diagnosis and potential overlap with infectious, autoimmune, or immunodeficiency-related conditions, careful clinicopathological correlation remains the cornerstone of accurate classification and appropriate management. This review aims to enhance diagnostic clarity and support effective interdisciplinary evaluation of suspected PLD cases.</p>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144561737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of Diseases Involving Pulmonary Lymphatics: Focus on Pulmonary Sarcoidosis. 除淋巴细胞增生性疾病外涉及肺淋巴系统疾病的影像学：以肺结节病为重点。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-26 DOI: 10.1053/j.sult.2025.06.007
Kiminori Fujimoto, Tomonori Chikasue, Yoshiaki Zaizen, Akiko Sumi, Saeko Tokisawa
{"title":"Imaging of Diseases Involving Pulmonary Lymphatics: Focus on Pulmonary Sarcoidosis.","authors":"Kiminori Fujimoto, Tomonori Chikasue, Yoshiaki Zaizen, Akiko Sumi, Saeko Tokisawa","doi":"10.1053/j.sult.2025.06.007","DOIUrl":"10.1053/j.sult.2025.06.007","url":null,"abstract":"<p><p>Sarcoidosis is a systemic granulomatous disorder of unknown cause, histopathologically characterized by the presence of non-caseating epithelioid-cell granulomas involving multiple organs, and most commonly involves the lungs and mediastinal and bilateral hilar lymph nodes (and the lymphatic systems). Although a definitive diagnosis relies on clinical and histopathological analysis, imaging plays a crucial role in early detection, lesion characterization, disease staging, and treatment response. This review focuses on imaging of pulmonary sarcoidosis, including histopathology, chest radiographic staging, and CT of mediastinal/hilar lymphadenopathy and parenchymal abnormalities (perilymphatic nodules, ground-glass opacity, coalescent or aggregate nodules, parenchymal fibrotic changes, and airway lesions), in addition to pulmonary hypertension and cardiac sarcoidosis. Differential diagnosis for imaging of diseases involving pulmonary lymphatics, particularly lymphangitic spread of carcinoma, is also demonstrated.</p>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144530721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical Features of Pulmonary Lymphoproliferative Disorders. 肺淋巴细胞增生性疾病的临床特点。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-26 DOI: 10.1053/j.sult.2025.06.006
Vasilios Tzilas, Jay H Ryu
{"title":"Clinical Features of Pulmonary Lymphoproliferative Disorders.","authors":"Vasilios Tzilas, Jay H Ryu","doi":"10.1053/j.sult.2025.06.006","DOIUrl":"10.1053/j.sult.2025.06.006","url":null,"abstract":"","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144530720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of Pulmonary Malignant Lymphoproliferative Disorders. 肺部恶性淋巴细胞增生性疾病的影像学检查。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-23 DOI: 10.1053/j.sult.2025.06.004
Yeon Joo Jeong, Joungho Han, Junhun Cho, Kyung Soo Lee
{"title":"Imaging of Pulmonary Malignant Lymphoproliferative Disorders.","authors":"Yeon Joo Jeong, Joungho Han, Junhun Cho, Kyung Soo Lee","doi":"10.1053/j.sult.2025.06.004","DOIUrl":"10.1053/j.sult.2025.06.004","url":null,"abstract":"<p><p>Malignant pulmonary lymphomas are a heterogeneous group of malignancies characterized by the clonal proliferation of lymphocytes within the lung. They are classified as primary, arising in the lung without extrathoracic involvement (mostly mucosa-associated lymphoid tissue lymphoma), or secondary, resulting from the spread of systemic lymphoma, often diffuse large B-cell or Hodgkin lymphoma. Imaging findings correlate with histopathologic features, showing single or multiple nodules/masses, lobar or segmental consolidations, reticular patterns, or disseminated small nodules. Although a definitive diagnosis relies on histopathological and immunophenotypic analysis, imaging plays a crucial role in early suspicion, lesion localization, disease staging, and monitoring treatment response or recurrence.</p>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144498994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of Pulmonary Benign Lymphoproliferative Disorders. 肺良性淋巴细胞增生性疾病的影像学检查。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-22 DOI: 10.1053/j.sult.2025.06.003
Takeshi Johkoh
{"title":"Imaging of Pulmonary Benign Lymphoproliferative Disorders.","authors":"Takeshi Johkoh","doi":"10.1053/j.sult.2025.06.003","DOIUrl":"10.1053/j.sult.2025.06.003","url":null,"abstract":"","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144486688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of Immunodeficiency-Associated Lymphoproliferative Disorders. 免疫缺陷相关淋巴细胞增生性疾病的影像学研究。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-19 DOI: 10.1053/j.sult.2025.06.001
Tomás Franquet, Jose M Brenes, Monika Radike, Ana Giménez, Pere Domingo
{"title":"Imaging of Immunodeficiency-Associated Lymphoproliferative Disorders.","authors":"Tomás Franquet, Jose M Brenes, Monika Radike, Ana Giménez, Pere Domingo","doi":"10.1053/j.sult.2025.06.001","DOIUrl":"10.1053/j.sult.2025.06.001","url":null,"abstract":"<p><p>Immunodeficiency-associated lymphoproliferative disorders represent a heterogeneous group of conditions characterized by abnormal lymphoid tissue proliferation in the context of immune dysregulation. These disorders can range from benign reactive hyperplasia to overt malignant lymphoma and are strongly associated with conditions such as congenital and acquired immunodeficiencies, chronic immunosuppressive therapy, and viral infections, particularly Epstein-Barr virus. This article provides a comprehensive overview of the most common immunodeficiency-associated lymphoproliferative disorders subtypes, their pathogenesis, imaging features, and clinical management. The role of high-resolution computed tomography in the detection, characterization, and differential diagnosis of these entities is highlighted, with a focus on practical radiologic-pathologic correlations.</p>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144340568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rare Malignant Liver Tumors: Current Insights and Imaging Challenges 罕见的恶性肝肿瘤：当前的见解和影像学挑战。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-01 DOI: 10.1053/j.sult.2025.04.007
Eleonora Salles-Silva MD , Paula Lemos de Castro MD , Luiza Carvalho Ambrozino MD , Antonio Luis-Eiras de Araújo MD, PhD , Daniel Lahan-Martins MD, PhD , Maria Fernanda Arruda Almeida MD, PhD , Fabiano Rubião Lucchesi MD, PhD , Eduardo Oliveira Pacheco MD , Ulysses S. Torres MD, PhD , Giuseppe D’Ippolito MD, PhD , Daniella Braz Parente MD, PhD
{"title":"Rare Malignant Liver Tumors: Current Insights and Imaging Challenges","authors":"Eleonora Salles-Silva MD ,&nbsp;Paula Lemos de Castro MD ,&nbsp;Luiza Carvalho Ambrozino MD ,&nbsp;Antonio Luis-Eiras de Araújo MD, PhD ,&nbsp;Daniel Lahan-Martins MD, PhD ,&nbsp;Maria Fernanda Arruda Almeida MD, PhD ,&nbsp;Fabiano Rubião Lucchesi MD, PhD ,&nbsp;Eduardo Oliveira Pacheco MD ,&nbsp;Ulysses S. Torres MD, PhD ,&nbsp;Giuseppe D’Ippolito MD, PhD ,&nbsp;Daniella Braz Parente MD, PhD","doi":"10.1053/j.sult.2025.04.007","DOIUrl":"10.1053/j.sult.2025.04.007","url":null,"abstract":"<div><div>Rare malignant liver tumors (RMLTs) comprise a diverse group of neoplasms with distinct imaging features and significant diagnostic challenges due to their low prevalence and overlap with more common hepatic lesions. This review highlights the main radiologic characteristics of selected rare malignant liver tumors—including fibrolamellar hepatocellular carcinoma, hepatic lymphoma, hepatocellular carcinoma in non-cirrhotic liver, mucinous cystic neoplasm, intraductal papillary neoplasm of the bile duct, epithelioid hemangioendothelioma, angiosarcoma, malignant hepatic adenoma, neuroendocrine tumor, hepatocholangiocarcinoma, hepatoblastoma, undifferentiated embryonal sarcoma, and infantile hepatic hemangioendothelioma—focusing on their presentation in computed tomography and magnetic resonance imaging. Recognizing specific imaging findings, such as arterial hyperenhancement, biliary communication, target and lollipop signs, and tumor morphology, can help narrow differential diagnoses and guide appropriate clinical management. Despite advancements in imaging, histopathologic confirmation is often required due to nonspecific features. Improved radiologic awareness of these rare entities is essential to facilitate early diagnosis and individualized treatment planning.</div></div>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":"46 3","pages":"Pages 161-176"},"PeriodicalIF":1.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144054747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beyond the Common: A Pictorial Review of Rare and Atypical Periampullary Lesions 超越普通：罕见和非典型壶腹周围病变的图像回顾。
IF 1.5 4区 医学
Seminars in Ultrasound Ct and Mri Pub Date : 2025-06-01 DOI: 10.1053/j.sult.2025.04.009
Cynthia Lopes Pereira de Borborema MD , Julia Tagliaferri e Paletta MD , Eduardo O. Pacheco MD , Ulysses S. Torres MD, PhD , Giuseppe D’Ippolito MD, PhD
{"title":"Beyond the Common: A Pictorial Review of Rare and Atypical Periampullary Lesions","authors":"Cynthia Lopes Pereira de Borborema MD ,&nbsp;Julia Tagliaferri e Paletta MD ,&nbsp;Eduardo O. Pacheco MD ,&nbsp;Ulysses S. Torres MD, PhD ,&nbsp;Giuseppe D’Ippolito MD, PhD","doi":"10.1053/j.sult.2025.04.009","DOIUrl":"10.1053/j.sult.2025.04.009","url":null,"abstract":"<div><div>The periampullary region, defined as the area within 2 cm of the major papilla of the duodenum, is associated with various benign and malignant conditions. Although periampullary cancers are rare, they are the third leading cause of cancer-related deaths in the Western world. Tumors in this area often mimic benign lesions due to overlapping clinical presentations. Diagnostic imaging techniques, including computed tomography, magnetic resonance imaging, ultrasonography, and MR cholangiopancreatography, are commonly used in clinical practice and typically confirmed by pathological analysis. Therefore, evaluating imaging characteristics of rare and atypical periampullary conditions and classifying them into 4 categories (anatomical variations, tumors, inflammatory conditions, and miscellaneous disorders) can aid in the differential diagnosis and improve understanding of these lesions.</div></div>","PeriodicalId":49541,"journal":{"name":"Seminars in Ultrasound Ct and Mri","volume":"46 3","pages":"Pages 189-203"},"PeriodicalIF":1.5,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144051864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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