Molecular Imaging and Radionuclide Therapy最新文献

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Physiological Distribution of 18F-FDG in the Spinal Cord of Disease-Free Subjects. 无病受试者脊髓18F-FDG的生理分布。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-05-15 DOI: 10.4274/mirt.galenos.2025.56514
Selin Kesim, Salih Özgüven
{"title":"Physiological Distribution of <sup>18</sup>F-FDG in the Spinal Cord of Disease-Free Subjects.","authors":"Selin Kesim, Salih Özgüven","doi":"10.4274/mirt.galenos.2025.56514","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2025.56514","url":null,"abstract":"<p><strong>Objectives: </strong><sup>18</sup>Fluorine-fluorodeoxyglucose (<sup>18</sup>F-FDG) uptake in the spinal cord is not unusual and may mimic metastatic disease. The physiological characterization and variability of spinal cord <sup>18</sup>F-FDG metabolism provide valuable information, especially in patients with suspected malignancies. We aimed to investigate the physiological <sup>18</sup>F-FDG uptake pattern within the spinal cord and its associations in a normal population.</p><p><strong>Methods: </strong>We retrospectively analyzed <sup>18</sup>F-FDG positron emission tomography/computed tomography images of 140 adult patients who were confirmed to be disease-free over a one-year follow-up period. The maximal and mean standard uptake values (SUV<sub>max</sub>, SUV<sub>mean</sub>) were measured at each mid-vertebral level from C1 to L5, and normalized to liver and blood pool uptake. Correlations between <sup>18</sup>F-FDG uptake and patient demographics, clinical parameters, and environmental temperature were evaluated.</p><p><strong>Results: </strong><sup>18</sup>F-FDG uptake demonstrated a decreasing trend from the cervical to lumbar vertebrae, with a notable increase at the lower thoracic levels (T11-T12). There was a significant negative correlation between <sup>18</sup>F-FDG uptake and age (p<0.001), fasting glucose level (p=0.016), and diabetic status (p=0.003). No significant association was found between spinal cord <sup>18</sup>F-FDG uptake and gender, weight, height, body mass index, <sup>18</sup>F-FDG dose, or environmental temperature.</p><p><strong>Conclusion: </strong>Normal distribution of <sup>18</sup>F-FDG in the spinal cord of disease-free individuals decreases from cervical to lumbar levels, although it notably increases at the lower thoracic and mid-lower cervical levels. Uptake significantly decreases with age, with a higher fasting blood glucose level, and in diabetic patients.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144081233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Impact of 18F-FDG PET/CT and Related Parameters on Staging, Disease Management and Prognosis in Patients with Cholangiocarcinoma. 18F-FDG PET/CT及相关参数对胆管癌患者分期、疾病管理及预后的影响
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-05-14 DOI: 10.4274/mirt.galenos.2025.62134
Fatih Tamer, Khayala Mammadli, Ülkem Yararbaş
{"title":"The Impact of <sup>18</sup>F-FDG PET/CT and Related Parameters on Staging, Disease Management and Prognosis in Patients with Cholangiocarcinoma.","authors":"Fatih Tamer, Khayala Mammadli, Ülkem Yararbaş","doi":"10.4274/mirt.galenos.2025.62134","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2025.62134","url":null,"abstract":"<p><strong>Objectives: </strong>We aimed to evaluate the relationship of <sup>18</sup>Fluorine-fluorodeoxyglucose (<sup>18</sup>F-FDG) positron emission tomography/computed tomography (PET/CT) parameters with diagnostic efficacy, disease management and prognosis in patients with cholangiocarcinoma (CCA). The prognostic value of the spleen/liver <sup>18</sup>F-FDG uptake ratio was also investigated.</p><p><strong>Methods: </strong>The clinical and imaging findings of 39 patients who met the diagnostic criteria and underwent <sup>18</sup>F-FDG PET/CT imaging for staging between 2013 and 2023 were retrospectively analysed.</p><p><strong>Results: </strong>The tumour was intrahepatic in 34 patients and extrahepatic in 5 patients. PET/CT detected nodal involvement in 21 patients (53.8%) and distant metastases in 35 patients (89.7%). Fourteen cases (35.9%) had regional-distant metastases detected by PET/CT but not by magnetic resonance imaging/CT, and the stage of the disease changed accordingly. SUV<sub>max</sub>, SUV<sub>mean</sub>, metabolic tumor volume, tumour lesion glycolysis, tumor-to-liver ratio (tumour/liver parenchyma SUV<sub>max</sub>), tumor-to-background ratio (tumour/blood pool SUV<sub>max</sub>), tumor-stroma ratio (tumour/spleen parenchyma SUV<sub>max</sub>), and standardized liver ratio (SLR) (spleen/liver SUV<sub>max</sub>) did not differ based on tumour location. Recurrence occurred in 14 patients (35.9%), and 2 patients survived. When the cut-off values for the parameters were determined by the Youden index, progression-free survival (PFS) was significantly shorter in patients with an SLR value of less than 0.94 compared to the others (p=0.04). Nodal involvement, metastatic location, and other PET/CT parameters had no significant effect on PFS and overall survival.</p><p><strong>Conclusion: </strong>Our results highlight the efficacy of <sup>18</sup>F-FDG PET/CT in staging nodal and distant metastases, similar to several studies in patients with CCA. Although SLR was found to have significant efficacy in PFS among the parameters we analysed, it is appropriate to evaluate the prognostic significance of these parameters in larger patient groups.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144044938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Rare Case of Synchronous Lobular Breast Carcinoma and Serous Psammocarcinoma of the Ovary Evaluated by 18F-FDG PET/CT. 18F-FDG PET/CT对乳腺小叶癌合并卵巢浆液性沙质癌1例的评价。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.96530
Laure Al Mansour, Alexis Trecourt, Stela Asadurova, Anthime Flaus, Matthieu Dietz
{"title":"A Rare Case of Synchronous Lobular Breast Carcinoma and Serous Psammocarcinoma of the Ovary Evaluated by <sup>18</sup>F-FDG PET/CT.","authors":"Laure Al Mansour, Alexis Trecourt, Stela Asadurova, Anthime Flaus, Matthieu Dietz","doi":"10.4274/mirt.galenos.2024.96530","DOIUrl":"10.4274/mirt.galenos.2024.96530","url":null,"abstract":"<p><p>Serous psammocarcinoma of the ovary is a rare variant of ovarian serous carcinoma characterized by the presence of calcified peritoneal lesions, known as psammoma bodies. These calcified lesions may usually be considered benign on computed tomography but may show avidity for <sup>18</sup>F-fluorodeoxyglucose (<sup>18</sup>F-FDG), which can be helpful in the diagnosis of this rare ovarian tumor. We present a rare case of serous psammocarcinoma of the ovary detected during the diagnostic work-up of lobular breast cancer using <sup>18</sup>F-FDG positron emission tomography/computed tomography.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"66-69"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827521/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quality of Life Outcomes Following Radioactive lodine 131 Therapy in Hyperthyroid Patients: Insights from the Thyroid Patient-Reported Outcome Questionnaire. 放射性碘131治疗甲状腺功能亢进患者的生活质量:来自甲状腺患者报告结果问卷的见解。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.21548
Hamdi Afşin, Billur Çalışkan
{"title":"Quality of Life Outcomes Following Radioactive lodine 131 Therapy in Hyperthyroid Patients: Insights from the Thyroid Patient-Reported Outcome Questionnaire.","authors":"Hamdi Afşin, Billur Çalışkan","doi":"10.4274/mirt.galenos.2024.21548","DOIUrl":"10.4274/mirt.galenos.2024.21548","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the impact of Radioactive iodine 131 (RAI 131) therapy on the quality of life (QoL) of patients with hyperthyroidism using the Thyroid Patient-Reported Outcome (ThyPRO) questionnaire and to quantify the extent of these improvements.</p><p><strong>Methods: </strong>This two-year, prospective, single-center study was conducted at the University Medical Faculty Hospital. Eighty-four patients (39 males and 45 females) diagnosed with hyperthyroidism due to Graves' disease, toxic multinodular goiter, or toxic adenoma received RAI 131 therapy at doses of 10, 15, 20, or 30 mCi. The ThyPRO questionnaire, consisting of 84 questions across 12 domains, was administered before treatment and six months post-treatment to assess QoL. The primary outcome was the change in ThyPRO scores.</p><p><strong>Results: </strong>Significant improvements in all post-treatment QoL measures were observed in both males and females (p<0.001). The average age of the patients was 58.33±12.45 years. QoL improvements were consistent across all age groups (<50, 50-60, >60 years) and at all levels of hyperthyroidism severity (mild, moderate, and severe). All RAI 131 dose groups (10, 15, 20, and 30mCi) showed significant improvements in QoL, with no significant differences between dose groups. The correlation analysis revealed that age had a weak negative correlation with QoL improvement (r=-0.20, p=0.05), whereas thyroid hormone levels were significantly correlated with QoL improvement. Multiple regression analysis identified initial ThyPRO score and age as significant predictors of QoL improvement, whereas sex and RAI 131 dose were not significant predictors.</p><p><strong>Conclusion: </strong>RAI therapy significantly enhanced the QoL of hyperthyroid patients according to demographic and disease severity. These findings support the use of RAI 131 as a primary treatment for hyperthyroidism, highlighting the importance of personalized treatment approaches for optimizing patient outcomes. Future research should focus on long-term QoL outcomes and refine therapeutic strategies.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"38-47"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827516/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Omental Cake in Non-Hodgkin's Disease: 18F-FDG PET-CT Findings. 非霍奇金病的网膜饼:18F-FDG PET-CT表现。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.37929
Manale Otmani, Salah Oueriagli Nabih, Omar Ait Sahel, Yassir Benameur, Abderrahim Doudouh
{"title":"Omental Cake in Non-Hodgkin's Disease: <sup>18</sup>F-FDG PET-CT Findings.","authors":"Manale Otmani, Salah Oueriagli Nabih, Omar Ait Sahel, Yassir Benameur, Abderrahim Doudouh","doi":"10.4274/mirt.galenos.2024.37929","DOIUrl":"10.4274/mirt.galenos.2024.37929","url":null,"abstract":"<p><p>Neoplastic infiltration of the omentum is mostly caused by metastatic ovarian, gastric, colon, or pancreatic cancer. Lymphomatous infiltration of the omentum is rare because the omentum lacks a lymphoid component. To date, lymphomatous involvement of the omentum has only been reported in patients with non-Hodgkin lymphoma. Peritoneal lymphomatosis remains a rare presentation of malignant lymphoma characterized by diffuse peritoneal lesions and is frequently accompanied by ascites and mesenteric lesions. In this review, we aimed to illustrate the case of a 72 year old mal patient diagnosed with aggressive large B-cell lymphoma, adressed for initial extension assessment in whom <sup>18</sup>F-fluorodeoxyglucose positron emission tomograph/computed tomography found unusual omental and mesenteric involvement.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"79-81"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827524/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Primary Pulmonary Liposarcoma: A Case Report. 原发性肺脂肪肉瘤1例报告。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.48264
Huimin Li, Zhehao Lyu
{"title":"Primary Pulmonary Liposarcoma: A Case Report.","authors":"Huimin Li, Zhehao Lyu","doi":"10.4274/mirt.galenos.2024.48264","DOIUrl":"10.4274/mirt.galenos.2024.48264","url":null,"abstract":"<p><p>Primary liposarcoma of the lung is extremely rare. To date, only 24 cases have been reported in the English literature. Herein, we present a case of well-differentiated pulmonary liposarcoma that was misdiagnosed as teratoma on positron emission tomography/computed tomography (CT) and contrast-enhanced CT. Radical surgery with left superior lobectomy and mediastinal lymph node dissection were performed. The patient experienced recurrence and distant metastases 33 months after surgery. He was alive at the time of writing this report (36 months postoperatively). To our knowledge, this is the first case report of pulmonary well-differentiated liposarcoma.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"73-75"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827523/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pyomyositis as Presentation of Chemoport-related Infection in Breast Carcinoma: 18F-FDG PET/CT Findings. 化脓性肌炎是乳腺癌化疗相关感染的表现:18F-FDG PET/CT表现
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.46547
Vijay Singh, Dinesh Srivastava, Neha Kotarya, Manish Ora, Sanjay Gambhir
{"title":"Pyomyositis as Presentation of Chemoport-related Infection in Breast Carcinoma: <sup>18</sup>F-FDG PET/CT Findings.","authors":"Vijay Singh, Dinesh Srivastava, Neha Kotarya, Manish Ora, Sanjay Gambhir","doi":"10.4274/mirt.galenos.2024.46547","DOIUrl":"10.4274/mirt.galenos.2024.46547","url":null,"abstract":"<p><p>A Chemoport is frequently utilized in oncological patients for administering chemotherapy. However, inadequate care can lead to various infectious and non-infectious complications. Infection commonly presents as a local infection that can lead to life-threatening septicemia. Early diagnosis and intervention are necessary to reduce morbidity and mortality. We report a patient with breast cancer who underwent <sup>18</sup>F-fluorodeoxyglucose positron (<sup>18</sup>F-FDG) positron emission tomography/computed tomography (PET/CT) due to suspicion of metastatic disease. <sup>18</sup>F-FDG-PET/CT revealed pyomyositis involving multiple skeletal muscles and septic emboli in the lungs and identified the chemoport as a possible source of infection. The infection source was confirmed and the patient responded to anti-microbiological therapy.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"76-78"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827528/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of 68Ga-FAPi PET/CT on Staging or Restaging Digestive System Tumors in Patients with Negative or Equivocal 18F-FDG PET/CT Findings. 68Ga-FAPi PET/CT对阴性或不明确18F-FDG PET/CT患者消化系统肿瘤分期或再分期的影响
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.50470
Nalan Alan Selçuk, Gamze Beydağı, Kaan Akçay, Emre Demirci, Ayşegül Görmez, Bala Başak Öven, Serkan Çelik, Fatma Şen, Özge Kapar, Levent Kabasakal
{"title":"Impact of <sup>68</sup>Ga-FAPi PET/CT on Staging or Restaging Digestive System Tumors in Patients with Negative or Equivocal <sup>18</sup>F-FDG PET/CT Findings.","authors":"Nalan Alan Selçuk, Gamze Beydağı, Kaan Akçay, Emre Demirci, Ayşegül Görmez, Bala Başak Öven, Serkan Çelik, Fatma Şen, Özge Kapar, Levent Kabasakal","doi":"10.4274/mirt.galenos.2024.50470","DOIUrl":"10.4274/mirt.galenos.2024.50470","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the potential efficacy of <sup>68</sup>Ga-fibroblast activation protein inhibitor (FAPi) positron emission tomography/computed tomography (PET/CT) for detecting, staging, and restaging digestive system malignancies that are <sup>18</sup>F-fluorodeoxyglucose (<sup>18</sup>F-FDG) negative or show equivocal <sup>18</sup>F-FDG uptake.</p><p><strong>Methods: </strong>We conducted a prospective analysis of 30 patients with pathologically confirmed primary tumors or metastases of the digestive system. Participants underwent <sup>68</sup>Ga-FAPi PET/CT and <sup>18</sup>F-FDG PET/CT imaging for staging or restaging purposes within the same week. The efficacy of <sup>68</sup>Ga-FAPi PET/CT was assessed by comparing its ability to detect lesions and influence disease staging with that of <sup>18</sup>F-FDG PET/CT.</p><p><strong>Results: </strong><sup>68</sup>Ga-FAPi PET/CT imaging was performed in 30 patients with <sup>18</sup>F-FDG-negative or indeterminate lesions. Of the 30 patients, 23 had gastric cancer and 7 had colorectal cancer. Among all patients, histopathological diagnosis of signet ring cell carcinoma was present in 15 (50%) patients. Primary tumor or local recurrence was detected in 19 (63%) patients, lymph node metastasis in 8 (27%) patients, visceral metastasis in 4 (13%) patients, peritoneal metastasis in 14 (47%) patients, and bone metastasis in 3 (10%) patients on <sup>68</sup>Ga-FAPi PET/CT images. All patients underwent histopathological confirmation on <sup>68</sup>Ga-FAPi PET/CT images. The disease stage was upgraded in 20 patients (67%) after <sup>68</sup>Ga-FAPi PET/CT imaging. Of the 20 patients, 12 had no evidence of recurrence or metastasis on <sup>18</sup>F-FDG PET/CT.</p><p><strong>Conclusion: </strong>Based on our study, <sup>68</sup>Ga-FAPi PET/CT alters the disease stage in the majority of gastrointestinal malignancies with negative or equivocal <sup>18</sup>F-FDG PET/CT findings. <sup>68</sup>Ga-FAPi PET/CT appears to be effective in both staging and restaging of gastrointestinal malignancies, such as signet-ring cell carcinomas of the stomach that frequently show low <sup>18</sup>F-FDG -avidity.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"31-37"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827526/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nasolacrimal Metastasis from Parotid Ductal Carcinoma Detected by 18F-FDG PET/CT. 18F-FDG PET/CT检测腮腺导管癌鼻泪转移。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.46667
Kexia Fang, Jianqiang Li, Guodong Feng, Xiang Guo, Yumin Zheng
{"title":"Nasolacrimal Metastasis from Parotid Ductal Carcinoma Detected by <sup>18</sup>F-FDG PET/CT.","authors":"Kexia Fang, Jianqiang Li, Guodong Feng, Xiang Guo, Yumin Zheng","doi":"10.4274/mirt.galenos.2024.46667","DOIUrl":"10.4274/mirt.galenos.2024.46667","url":null,"abstract":"<p><p>A 39-year-old woman presented with left neck masses for 4 months and epiphora of the left eye for 3 weeks. Ultrasonography revealed a mass in the left parotid gland and multiple cervical lymph nodes. Biopsy of the mass in the left parotid gland revealed infiltrating ductal carcinoma. <sup>18</sup>F-fluorodeoxyglucose positron emission tomography/computed tomography scan was undertaken, which showed a mass in the left parotid gland and multiple cervical lymph nodes with high metabolism. A nodule in the left nasolacrimal duct with high metabolism was observed. The nodule was surgically removed and pathologically confirmed as metastatic parotid ductal carcinoma.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"82-84"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827531/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation of 3T Diffusion-weighted MRI and 18F-FDG-PET/CT in Liver Metastases: SUV Versus ADC. 3T弥散加权MRI和18F-FDG-PET/CT在肝转移中的相关性:SUV vs ADC。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2025-02-07 DOI: 10.4274/mirt.galenos.2024.37431
Ahmet Tanyeri, Rıdvan Akbulut, Emir Hüseyin Nevai, Yakup Yürekli
{"title":"Correlation of 3T Diffusion-weighted MRI and <sup>18</sup>F-FDG-PET/CT in Liver Metastases: SUV Versus ADC.","authors":"Ahmet Tanyeri, Rıdvan Akbulut, Emir Hüseyin Nevai, Yakup Yürekli","doi":"10.4274/mirt.galenos.2024.37431","DOIUrl":"10.4274/mirt.galenos.2024.37431","url":null,"abstract":"<p><strong>Objectives: </strong>Positron emission tomography/computed tomography (PET/CT) and magnetic resonance imaging (MRI) are widely used in the diagnosis and follow-up of liver metastases. Both modalities provide anatomical and functional information and have advantages and disadvantages. The objective of this study was to investigate the correlation between apparent diffusion coefficient (ADC) and standardized uptake value (SUV) values in metastatic liver lesions.</p><p><strong>Methods: </strong>Abdominal magnetic resonance (MR) scans performed between April 2021 and 2024 using the 3T MR scanner were retrospectively evaluated. Thirty-three patients with liver metastases, less than one month between magnetic resonance imaging (MRI) and PET/CT, no treatment during this period, and lesions larger than 1 cm were included in the study. In each MRI scan, an index lesion was selected for ADC measurement. The radiologist and nuclear medicine specialist measured the same index lesion without the patient being informed of the results.</p><p><strong>Results: </strong>The mean age of the 33 patients was 59±12 years, with 17 (51%) men and 16 (49%) women. The mean size of the index lesions was 27±9 mm. In MRI, mean ADC<sub>min</sub>: (0.54±0.2) ×10<sup>-3</sup>mm<sup>2</sup>/s; ADC<sub>mean</sub>: (1.02±0.2) ×10<sup>-3</sup>mm<sup>2</sup>/s; ADC<sub>max</sub>: (1.48±0.44) ×10<sup>-3</sup>mm<sup>2</sup>/s; and region of interest area was calculated as 6±4.6 cm<sup>2</sup>. In PET/CT, mean SUV<sub>mean</sub>: 5.8±3.3; SUV<sub>peak</sub>: 6.8±4.3; SUV<sub>max</sub>: 10.7±5.6; and metabolic tumor volume: 12.1 (7.4-20.7) cm<sup>3</sup>. No statistically significant correlation was found between ADC and SUV values.</p><p><strong>Conclusion: </strong>There was no correlation between ADC and SUV values in liver metastases. Prospective studies with a large patient group are needed.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":"34 1","pages":"48-54"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11827527/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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