Kai Kröger, Sebastian Lohmann, Michael Oertel, Peter Borchmann, Andrea Kerkhoff, Georg Lenz, Lars Stegger, Hans Theodor Eich
{"title":"预处理PET/MRI对霍奇金淋巴瘤放射肿瘤学靶标划定的影响：一个病例系列。","authors":"Kai Kröger, Sebastian Lohmann, Michael Oertel, Peter Borchmann, Andrea Kerkhoff, Georg Lenz, Lars Stegger, Hans Theodor Eich","doi":"10.1007/s00066-025-02446-4","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>Positron-emission tomography combined with computed tomography (PET/CT) is the diagnostic standard for patients with Hodgkin's lymphoma. Positron-emission tomography combined with magnetic resonance imaging (PET/MRI) is an alternative diagnostic modality that reduces radiation exposure to the patient. This study aims to evaluate the potential merits of PET/MRI compared to PET/CT for target delineation for radiotherapy of Hodgkin's lymphoma.</p><p><strong>Methods: </strong>Five patients with newly diagnosed Hodgkin's lymphoma underwent PET/CT imaging directly followed by PET/MRI imaging as part of initial staging. Both modalities were subsequently compared regarding each patient's diagnosed involved nodal regions. Three of these patients received radiotherapy after the completion of chemotherapy. In the radiotherapy planning CT, different gross tumor volumes and clinical target volumes were contoured for both PET/CT and PET/MRI and quantitatively compared using the Dice coefficient.</p><p><strong>Results: </strong>No differences regarding the diagnosed disease stage were observed. The delineated tumor and target volumes showed minor differences without clinical significance.</p><p><strong>Conclusion: </strong>Positron-emission tomography/MRI is a viable option to assure adequate staging and later target delineation in patients with Hodgkin's lymphoma. Due to the reduction of radiation exposure compared to PET/CT, it might be the preferable option if readily available.</p>","PeriodicalId":21998,"journal":{"name":"Strahlentherapie und Onkologie","volume":" ","pages":""},"PeriodicalIF":2.5000,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Impact of pretreatment PET/MRI on radiooncologic target delineation in Hodgkin's lymphoma: a case series.\",\"authors\":\"Kai Kröger, Sebastian Lohmann, Michael Oertel, Peter Borchmann, Andrea Kerkhoff, Georg Lenz, Lars Stegger, Hans Theodor Eich\",\"doi\":\"10.1007/s00066-025-02446-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Purpose: </strong>Positron-emission tomography combined with computed tomography (PET/CT) is the diagnostic standard for patients with Hodgkin's lymphoma. Positron-emission tomography combined with magnetic resonance imaging (PET/MRI) is an alternative diagnostic modality that reduces radiation exposure to the patient. This study aims to evaluate the potential merits of PET/MRI compared to PET/CT for target delineation for radiotherapy of Hodgkin's lymphoma.</p><p><strong>Methods: </strong>Five patients with newly diagnosed Hodgkin's lymphoma underwent PET/CT imaging directly followed by PET/MRI imaging as part of initial staging. Both modalities were subsequently compared regarding each patient's diagnosed involved nodal regions. Three of these patients received radiotherapy after the completion of chemotherapy. In the radiotherapy planning CT, different gross tumor volumes and clinical target volumes were contoured for both PET/CT and PET/MRI and quantitatively compared using the Dice coefficient.</p><p><strong>Results: </strong>No differences regarding the diagnosed disease stage were observed. The delineated tumor and target volumes showed minor differences without clinical significance.</p><p><strong>Conclusion: </strong>Positron-emission tomography/MRI is a viable option to assure adequate staging and later target delineation in patients with Hodgkin's lymphoma. Due to the reduction of radiation exposure compared to PET/CT, it might be the preferable option if readily available.</p>\",\"PeriodicalId\":21998,\"journal\":{\"name\":\"Strahlentherapie und Onkologie\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2025-08-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Strahlentherapie und Onkologie\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1007/s00066-025-02446-4\",\"RegionNum\":3,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ONCOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Strahlentherapie und Onkologie","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1007/s00066-025-02446-4","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ONCOLOGY","Score":null,"Total":0}
Impact of pretreatment PET/MRI on radiooncologic target delineation in Hodgkin's lymphoma: a case series.
Purpose: Positron-emission tomography combined with computed tomography (PET/CT) is the diagnostic standard for patients with Hodgkin's lymphoma. Positron-emission tomography combined with magnetic resonance imaging (PET/MRI) is an alternative diagnostic modality that reduces radiation exposure to the patient. This study aims to evaluate the potential merits of PET/MRI compared to PET/CT for target delineation for radiotherapy of Hodgkin's lymphoma.
Methods: Five patients with newly diagnosed Hodgkin's lymphoma underwent PET/CT imaging directly followed by PET/MRI imaging as part of initial staging. Both modalities were subsequently compared regarding each patient's diagnosed involved nodal regions. Three of these patients received radiotherapy after the completion of chemotherapy. In the radiotherapy planning CT, different gross tumor volumes and clinical target volumes were contoured for both PET/CT and PET/MRI and quantitatively compared using the Dice coefficient.
Results: No differences regarding the diagnosed disease stage were observed. The delineated tumor and target volumes showed minor differences without clinical significance.
Conclusion: Positron-emission tomography/MRI is a viable option to assure adequate staging and later target delineation in patients with Hodgkin's lymphoma. Due to the reduction of radiation exposure compared to PET/CT, it might be the preferable option if readily available.
期刊介绍：
Strahlentherapie und Onkologie, published monthly, is a scientific journal that covers all aspects of oncology with focus on radiooncology, radiation biology and radiation physics. The articles are not only of interest to radiooncologists but to all physicians interested in oncology, to radiation biologists and radiation physicists. The journal publishes original articles, review articles and case studies that are peer-reviewed. It includes scientific short communications as well as a literature review with annotated articles that inform the reader on new developments in the various disciplines concerned and hence allow for a sound overview on the latest results in radiooncology research.
Founded in 1912, Strahlentherapie und Onkologie is the oldest oncological journal in the world. Today, contributions are published in English and German. All articles have English summaries and legends. The journal is the official publication of several scientific radiooncological societies and publishes the relevant communications of these societies.
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