E. Noriega-Álvarez , B. Rodríguez Alfonso , J.J. Rosales Castillo , A. Moreno Ballesteros , E. López Rodríguez , S. Sanz Viedma , M. del P. Orduña Diez , L. Domínguez Gadea
{"title":"Role and applications of 18F-FDG PET/CT in the assessment of osteoarticular infection and inflammation — Part I","authors":"E. Noriega-Álvarez , B. Rodríguez Alfonso , J.J. Rosales Castillo , A. Moreno Ballesteros , E. López Rodríguez , S. Sanz Viedma , M. del P. Orduña Diez , L. Domínguez Gadea","doi":"10.1016/j.remnie.2024.500073","DOIUrl":"10.1016/j.remnie.2024.500073","url":null,"abstract":"<div><div><sup>18</sup>F-FDG PET/CT has been positioned over time as a useful tool in the evaluation of osteoarticular infections, overcoming conventional explorations like MRI or bone scintigraphy in some indications. Its ability to provide functional and anatomical images simultaneously and its excellent resolution contributes to a more precise and personalised approach in the treatment of osteoarticular diseases such as spondylodiscitis. In addition, it has proven valuable in patients with suspected infection that is complex to diagnose or treat, improving detection in subclinical stages. However, some limitations have been identified, such as difficulty in the differential diagnosis of infection vs. inflammation (as in diabetic foot) or in the interpretation of patients with osteosynthesis materials. In this manuscript, we present a brief review providing general and practical information about the role of <sup>18</sup>F-FDG PET/CT in infectious osteoarticular pathology, while part 2 discusses the role of <sup>18</sup>F-FDG PET/CT in osteoarticular inflammation.</div></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"44 1","pages":"Article 500073"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645350","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}
D. Tercero Garrido , M.V. Guiote Moreno , C. Rodelo-Haad , P.I. Contreras Puertas , S. Soriano Cabrera , M.D. Albalá González
{"title":"Peritoneal scintigraphy and SPECT/TC in the diagnosis of leaks in patients on peritoneal dialysis","authors":"D. Tercero Garrido , M.V. Guiote Moreno , C. Rodelo-Haad , P.I. Contreras Puertas , S. Soriano Cabrera , M.D. Albalá González","doi":"10.1016/j.remnie.2024.500067","DOIUrl":"10.1016/j.remnie.2024.500067","url":null,"abstract":"<div><h3>Objective</h3><div>To assess the usefulness of peritoneal cavity scintigraphy and the contribution of SPECT/CT in patients on peritoneal dialysis with suspected leak.</div></div><div><h3>Methodology</h3><div>An observational case series study is carried out. It consists of a longitudinal, retrospective and descriptive study. 11 patients on peritoneal dialysis were studied and it was realiced a peritoneal cavity scintigraphy test and SPECT/CT to evaluate a peritoneal leak.</div></div><div><h3>Results</h3><div>In 54,5% of the patients, a positive study of peritoneal leak was obtained. The most frequent localitations were in the abdominal wall at the catheter entry level and the inguinal hernia. In the cases with sintomatology like pain and celullitis of the subcutaneous tract of the cateter the frequent of leak was 100%. There was a change in therapeutic management in patients with a positive study. There was not relevant changes in initial dialysis regimen in patients with a negative study. In this cases, except for one patient who required hemodialysis, all patients experienced clinical improvement.</div></div><div><h3>Conclusions</h3><div>Peritoneal scintigraphy and SPECT/CT study are non-invasive techniques that allow an adequate diagnosis and subsequent management of peritoneal leak.</div></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"44 1","pages":"Article 500067"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142335485","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}
A. Garcia Garcia , A.P. Caresia Aróztegui , S. Martínez Román
{"title":"Use of propranolol in [18F] FDG-PET/CT for differential diagnosis of brown fat in patient with a history of adenocarcinoma of the uterine cervix","authors":"A. Garcia Garcia , A.P. Caresia Aróztegui , S. Martínez Román","doi":"10.1016/j.remnie.2024.500068","DOIUrl":"10.1016/j.remnie.2024.500068","url":null,"abstract":"","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"44 1","pages":"Article 500068"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142335490","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}
J.J. Rosales , M.L. Domínguez , L. Sancho , E. Prieto , M. de Arcocha , I. Torres , A. Roteta , R. Ramos , G. Quincoces
{"title":"State of the art and future perspectives of new radionuclides in Nuclear Medicine","authors":"J.J. Rosales , M.L. Domínguez , L. Sancho , E. Prieto , M. de Arcocha , I. Torres , A. Roteta , R. Ramos , G. Quincoces","doi":"10.1016/j.remnie.2025.500082","DOIUrl":"10.1016/j.remnie.2025.500082","url":null,"abstract":"<div><div>This continuing education analyzes recent advances in Nuclear Medicine focused on the development of new radiopharmaceuticals that improve both the diagnosis and treatment of complex diseases. The focus is on teragnosis, which combines diagnosis and treatment by means of pairs of radiopharmaceuticals directed to the same molecular target, which allows the personalization of treatments.</div><div>This first part specifically reviews the teragnostic pairs copper-64/copper-67, lead-212/lead-203 and scandium-44/scandium-47, highlighting their physical characteristics, methods of production and potential clinical applications.</div><div>Despite the challenges in their production, their versatility and effectiveness are driving their clinical application in oncology and other diseases. The text also addresses the development of new radiopharmaceuticals and their impact on precision medicine, pointing out future directions and opportunities for research in this field.</div></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"44 1","pages":"Article 500082"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142967627","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}
I. Martínez-Rodríguez, F. Gómez-de la Fuente, A. Sánchez-Salmón, M. Pombo-López, A. Bota-Bota, R. Quirce
{"title":"18F-FDG PET/CT in the staging, therapeutic evaluation and follow-up of prostatic sarcoma","authors":"I. Martínez-Rodríguez, F. Gómez-de la Fuente, A. Sánchez-Salmón, M. Pombo-López, A. Bota-Bota, R. Quirce","doi":"10.1016/j.remnie.2024.500039","DOIUrl":"10.1016/j.remnie.2024.500039","url":null,"abstract":"","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"44 1","pages":"Article 500039"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142515630","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}
Merve Nur Acar Tayyar, Müge Öner Tamam, Gündüzalp Buğrahan Babacan, Mehmet Can Şahin, Halim Özçevik, Necla Gürdal, Kadir Atakır
{"title":"[<sup>18</sup>F]FDG PET/CT beyond staging: Prognostic significance of sarcopenia and adipose tissue metabolism in esophageal carcinomas.","authors":"Merve Nur Acar Tayyar, Müge Öner Tamam, Gündüzalp Buğrahan Babacan, Mehmet Can Şahin, Halim Özçevik, Necla Gürdal, Kadir Atakır","doi":"10.1016/j.remnie.2024.500090","DOIUrl":"10.1016/j.remnie.2024.500090","url":null,"abstract":"<p><strong>Aim: </strong>This study aimed to investigate the relationship between PET and CT parameters and sarcopenia, adipose tissue, and tumor metabolism in esophageal carcinoma (EC) and its impact on survival in EC.</p><p><strong>Method: </strong>Our study included 122 EC patients who underwent PET/CT for staging. Muscle and adipose tissue characteristics were evaluated, including lumbar (L3) and cervical (C3) muscle areas, psoas major (PM) and sternocleidomastoid muscle (SCM) parameters, and PET parameters for visceral and subcutaneous adipose tissue (SAT). Sarcopenia was determined using CT images, with a threshold for muscle tissue at the L3 vertebral level, and its impact on overall survival (OS) was investigated.</p><p><strong>Results: </strong>Sarcopenia was detected in 48 patients. SULmax in the primary tumor (PT) was significantly higher in sarcopenic patients (SP). The frequency of distant metastasis was higher in SP and OS was significantly lower. In the locally advanced stage, sarcopenia status decreased survival. L3, PM, C3, and SCM muscle areas were highly correlated. Subcutaneous adipose tissue SUVmax was significantly increased in SP and those with distant metastasis. Univariate analysis identified PT SULmax, PT SUVmean, PT TLG, lymph node and distant metastasis, SAT SUVmax, and sarcopenia as poor prognostic factors, while multivariate analysis confirmed BMI, distant metastasis, PT SUVmean, PT TLG as independent predictors of OS.</p><p><strong>Conclusion: </strong>This study demonstrated that sarcopenia, linked to reduced survival, correlates with primary tumor SULmax, distant metastasis, and subcutaneous tissue PET parameters, exerting a notable impact on survival, particularly in locally advanced stages. Attenuation-corrected CT can be used instead of diagnostic CT, and sarcopenia can be diagnosed using not only L3 but also C3 slices.</p>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":" ","pages":"500090"},"PeriodicalIF":0.0,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142901557","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}
M N Acar Tayyar, M Ö Tamam, G B Babacan, M C Şahin, H Özçevik, S Şengiz Erhan, A E Öztürk
{"title":"The relationship between HER2 status acquired from pathological data and metabolic parameters from pre-treatment [<sup>18</sup>F]FDG PET/CT in gastric adenocarcinomas.","authors":"M N Acar Tayyar, M Ö Tamam, G B Babacan, M C Şahin, H Özçevik, S Şengiz Erhan, A E Öztürk","doi":"10.1016/j.remnie.2024.500080","DOIUrl":"10.1016/j.remnie.2024.500080","url":null,"abstract":"<p><strong>Objective: </strong>Overexpression of Human Epidermal Growth Factor Receptor 2 (HER2) is thought to be more aggressive in gastric cancer. This study aimed to evaluate the predictability of HER2 status and other prognostic pathologic parameters using [<sup>18</sup>F]FDG PET/CT and to investigate its impact on survival.</p><p><strong>Methods: </strong>Pretreatment metabolic parameters measured by [<sup>18</sup>F]FDG PET/CT as a prognostic factor were retrospectively evaluated in 117 HER2-analysed patients. The relationship between pathological data, tumor metabolic characteristics, and distant metastases was examined, and the effect on survival was investigated.</p><p><strong>Results: </strong>Among the 117 patients, 17.1% were HER2-positive (HER2+), and 82.9% were HER2-negative (HER2-). There was no significant association between PET/CT parameters in the HER2+ and HER2- patient groups. HER2+ patients had higher 1- and 3-year survival expectations than HER2- patients (80%-%37.9; %47.5-%20; respectively). There was no statistically significant difference in overall survival. In Cox-regression analysis, while the presence of vascular invasion, local invasion, and distant metastasis were poor prognostic factors, HER2 was not a prognostic factor. Vascular invasion and local invasion (T3/T4) were also associated with higher SUVmax values. Patients with distant metastases had significantly higher SUVmax, SUVmean, and TLG.</p><p><strong>Conclusion: </strong>This study showed no association between HER2 expression and [<sup>18</sup>F]FDG PET/CT metabolic parameters. However, regardless of HER2 status, the results indicated distant metastasis, local invasion, and vascular invasion could be associated with primary tumor metabolism. PET/CT parameters predict tumor aggressiveness and disease prognosis better than HER2 status.</p>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":" ","pages":"500080"},"PeriodicalIF":0.0,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142879141","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}
Önner H., Calderon Tobar M.N., Perktaş L., Yilmaz F., Kara Gedik G.
{"title":"Evaluating the role of sarcopenia and [18F]FDG PET/CT parameters in prognosis of pancreatic ductal adenocarcinoma","authors":"Önner H., Calderon Tobar M.N., Perktaş L., Yilmaz F., Kara Gedik G.","doi":"10.1016/j.remnie.2024.500046","DOIUrl":"10.1016/j.remnie.2024.500046","url":null,"abstract":"<div><div>This study investigates the relationship between <sup>18</sup>F-fluorodeoxyglucose ([<sup>18</sup>F]FDG) positron emission tomography/computed tomography (PET/CT) metabolic parameters, clinicopathological characteristics, and sarcopenia in patients with pancreatic ductal adenocarcinoma (PDAC) and evaluates their prognostic roles.</div></div><div><h3>Material and methods</h3><div>The primary tumor's maximum standard uptake (SUVmax), metabolic tumor volume (MTV), and total lesion glycolysis (TLG) values, as well as clinicopathological factors, were evaluated retrospectively. Computed tomography (CT) was used to assess the skeletal muscle index (SMI). Sarcopenia was defined based on SMI calculated at the third lumbar vertebra (L3). SMI cut-off values for sarcopenia were accepted as 44.77 cm<sup>2</sup>/m<sup>2</sup> for men and 32.50 cm<sup>2</sup>/m<sup>2</sup> for women. The primary endpoint was the overall survival (OS). OS data were analyzed by the Kaplan-Meier method and compared using the log-rank test. To identify predictive factors for sarcopenia, multivariable logistic regression was used following univariable logistic regression. Cox proportional hazards regression analyses were used to find predictors of OS.</div></div><div><h3>Results</h3><div>Of the 86 patients included in the study, 37 (43%) were diagnosed with sarcopenia. Compared with non-sarcopenic patients, sarcopenia was observed in older patients (P<!--> <!-->=<!--> <!-->0,028) and patients with lower body mass index (BMI) (p<!--> <!-->=<!--> <!-->0,001). Age and BMI independently predicted sarcopenia. Univariate analysis identified sarcopenia, advanced stage, and higher primary tumor TLG as significant predictors of overall survival. Multivariate Cox regression analysis revealed that the advanced tumor stage (p<!--> <!-->=<!--> <!-->0.017) and higher TLG (p<!--> <!-->=<!--> <!-->0,042) independently predicted OS. The median OS was 9.4 months in non-sarcopenic patients and 5.0 months in sarcopenic patients (p<!--> <!-->=<!--> <!-->0,021).</div></div><div><h3>Conclusion</h3><div>In this study cohort, advanced-stage disease and higher primary tumor TLG were identified as independent predictors of OS in patients with PDAC. Additionally, we emphasize the importance of incorporating [<sup>18</sup>F]FDG PET/CT-derived sarcopenia assessments into the prognostic evaluation and clinical management of PDAC patients. While sarcopenia was associated with shorter OS in univariate analysis, it was not an independent predictor in multivariate analysis.</div></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 6","pages":"Article 500046"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141984225","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}
I. Bolívar Roldán , Ana Moreno Ballesteros , C. Martínez Chinchilla , A. Jiménez-Heffernan , M.C. Calvo Morón
{"title":"Radiosynoviorthesis with [90Y] Yttrium citrate in refractory synovitis of the knee: Experience of 2 reference hospitals","authors":"I. Bolívar Roldán , Ana Moreno Ballesteros , C. Martínez Chinchilla , A. Jiménez-Heffernan , M.C. Calvo Morón","doi":"10.1016/j.remnie.2024.500052","DOIUrl":"10.1016/j.remnie.2024.500052","url":null,"abstract":"<div><h3>Introduction</h3><div>To describe the therapeutic efficacy of radiosynoviorthesis with [<sup>90</sup>Y]Yttrium citrate (<sup>90</sup>Y), in patients with chronic knee synovitis refractory to systemic treatments and/or infiltrations, correlating the results with the different etiologies and degenerative changes that they showed, in order to optimize the indication of the technique.</div></div><div><h3>Material and methods</h3><div>Observational retrospective study with 32 patients (22 men and 10 women) and 34 knees, with refractory chronic knee synovitis, who underwent radiosynoviorthesis between January 2013 and December 2022. Its efficacy was described and analyzed by the subjective improvement referred by the patients and its relationship with the existing etiologies and radiological degenerative changes, expressed by the Kellgren-Lawrence (K-L) scale.</div></div><div><h3>Results</h3><div>A statistically significant subjective improvement was observed in 70.6% of the cases (<em>p</em> < 0.001). There were 92.3% of cases with absent, doubtful or mild degenerative changes (K-L 0-2) who improved, while only 50% with moderate or severe changes (K-L 3-4) improved, showing statistically significant differences (<em>p</em> = 0.03). Among patients with chronic inflammatory origin of synovitis (spondyloarthropathies and rheumatoid arthritis), 80% improved, while in those with osteoarthritis (degenerative) origin, only 25% improved with statistically significant differences (p = 0.006).</div></div><div><h3>Conclusions</h3><div>Radiosynoviorthesis with <sup>90</sup>Y is an effective treatment in patients with knee refractory chronic synovitis, especially in the presence of mil degenerative joint changes and chronic inflammatory origin. We must ensure the appropiate selection of patients according to these criteria.</div></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 6","pages":"Article 500052"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142305209","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}