M. Guerra-Gómez, A. Rodríguez-Pajuelo, L. Brero-Sánchez, J.I. Cuenca-Cuenca, R.M. Álvarez-Pérez, J.M. Freire-Macías, J.M. Jiménez-Hoyuela García
{"title":"Interobserver and intraobserver agreement in PET/CT with [18F]DCFPyL according to TNM molecular and PSMA-RADS 2.0 criteria","authors":"M. Guerra-Gómez, A. Rodríguez-Pajuelo, L. Brero-Sánchez, J.I. Cuenca-Cuenca, R.M. Álvarez-Pérez, J.M. Freire-Macías, J.M. Jiménez-Hoyuela García","doi":"10.1016/j.remnie.2024.500047","DOIUrl":"10.1016/j.remnie.2024.500047","url":null,"abstract":"<div><h3>Purpose</h3><p>The aim of this study was to determine the agreement between three observers with different levels of experience using the PSMA-RADS 2.0 criteria and the miTNM system for the interpretation of PET-PSMA with [<sup>18</sup>F]DCFPyL in males with prostate cancer.</p></div><div><h3>Materials and Methods</h3><p>PET-PSMA images from 114 prostate cancer patients were blindly reported twice by three different observers at intervals of 8 weeks. The evaluations were performed according to the molecular imaging TNM (miTNM) and PSMA-RADS 2.0 criteria. We used Fleiss’ Kappa to analyse inter and intraobserver agreements.</p></div><div><h3>Results</h3><p>Moderate overall agreement was obtained in the assessment of the PET-PSMA results (Fleiss'k = 0.53; 95% CI 0.45−0.62; p < 0.001), with significant agreement in the miT, miN and miM reports. There was a substantial level of agreement in the reporting of prostatic disease and lymphatic involvement (Fleiss'k = 0.66 and 0.65), being lower than that observed in the reporting of metastatic disease (Fleiss'k = 0.86), especially in the M0 group (Fleiss'k = 0.99). Upon re-evaluation of the images, observer 1 had moderate overall agreement for miT (Fleiss'k = 0.51) and substantial agreement for miN and miM (Fleiss'k 0.75 and 0.63, respectively).</p></div><div><h3>Conclusions</h3><p>The use of a structured scoring system such as PSMA-RADS 2.0, as well as the miTNM classification system in the interpretation of PET-PSMA images in prostate cancer patients, provides a highly reproducible report format. High levels of interobserver and intraobserver agreement are found, especially when ruling out disease, which supports its use in routine clinical practice.</p></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500047"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141914893","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.R. Garcia , R. Olivero , I. Arrieta-Aldea , J.A. Romero , E. Riera , E. Cañas-Ruano , N. Garrido , J. Du , R. Guerri
{"title":"Association between cardiovascular inflammation and alterations in immune system induced by HIV infection detected on [18F]FDG PET/MRI","authors":"J.R. Garcia , R. Olivero , I. Arrieta-Aldea , J.A. Romero , E. Riera , E. Cañas-Ruano , N. Garrido , J. Du , R. Guerri","doi":"10.1016/j.remnie.2024.500042","DOIUrl":"10.1016/j.remnie.2024.500042","url":null,"abstract":"<div><h3>Objective</h3><p>To assess by [<sup>18</sup>F]FDG PET/MR the biomarkers of HIV-induced inflammation at baseline and 1 year post-antiretroviral therapy (ART).</p></div><div><h3>Methods</h3><p>Prospective study, 14 patients, newly diagnosed HIV-positive, asymptomatic.</p><p>[<sup>18</sup>F]FDG PET/MRI (PET/MR-3.0T, Signa.GE) whole body and heart was performed, baseline and 1 year post-ART.</p><p>Qualitative vascular assessment (hepatic reference). Quantitative assessment (SUVmax) of the whole body. T1 and T2 value estimation in 16 myocardial segments.</p></div><div><h3>Results</h3><p>Baseline CMR showed in 3 (21.4%) a decreased LVEF, normalising post-TAR. Fibrosis was ruled out (T1), with no signs of myocardial oedema (T2) at baseline or post-TAR.</p><p>Four (28.6%) showed baseline vascular [<sup>18</sup>F]FDG uptake, two in ascending thoracic aorta and two in ascending and descending thoracic aorta, normalising post-TAR.</p><p>All (100%) showed basal lymph-nodes activity; supra (n:14) and infradiaphragmatic (n:13), laterocervical (n:14) and inguinal (n:13), with variable number of territories (9 patients >6;64.3%). Post-ART, 7 patients (50%) showed resolution and the other 7 reduction in extension (0 patients >5): 7 supra (100%) and 2 infradiaphragmatic (28.6%), 5 in the axilla and 2 in the groin.</p><p>All (100%) had persistent basal adenoid uptake post-ART, 9 (64.3%) splenic all resolved post-ART and 7 (50.5%) gastric, persistent 3 post-ART.</p></div><div><h3>Conclusions</h3><p>Cardiovascular biomarkers by [<sup>18</sup>F]FDG PET/MR have shown baseline 28.6% of patients with large vessel activity and 21.4% with low LVEF, normalising post-ART.</p><p>Inflammatory/immune biomarkers showed baseline activity in 100% of lymph-nodes, 100% adenoids, 64.3% splenic and 50.5% gastric. Post-TAR the reduction was 50% lymph-nodes, 0% adenoid, 100% splenic and 57.1% gastric.</p></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500042"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141914892","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}
{"title":"99mTc-FAPI uptake in a rare case of metastatic urachal carcinoma","authors":"","doi":"10.1016/j.remnie.2024.500019","DOIUrl":"10.1016/j.remnie.2024.500019","url":null,"abstract":"","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500019"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141184978","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}
{"title":"99mTc-MDP bone scintigraphy and 18F-FDG PET/CT findings of osteosarcoma with widespread calcified extraskeletal metastases","authors":"","doi":"10.1016/j.remnie.2024.500022","DOIUrl":"10.1016/j.remnie.2024.500022","url":null,"abstract":"","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500022"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141184979","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}
{"title":"Incomplete resection in a rare case of bladder paraganglioma revealed by diuretic 123I-MIBG SPECT/CT scan","authors":"","doi":"10.1016/j.remnie.2024.500018","DOIUrl":"10.1016/j.remnie.2024.500018","url":null,"abstract":"","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500018"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141185021","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}
{"title":"Popliteal pseudoaneurysm of fungal etiology","authors":"","doi":"10.1016/j.remnie.2024.500025","DOIUrl":"10.1016/j.remnie.2024.500025","url":null,"abstract":"","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500025"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141187074","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}
{"title":"The value of PET/CT radiomic texture analysis of primary mass and mediastinal lymph node on survival in patients with non-small cell lung cancer","authors":"N. Agüloğlu , A. Aksu , D.S. Unat , Ö. Selim Unat","doi":"10.1016/j.remnie.2024.500027","DOIUrl":"10.1016/j.remnie.2024.500027","url":null,"abstract":"<div><h3>Objective</h3><p>This study was designed to determine the potential prognostic value of radiomic texture analysis and metabolic-volumetric parameters obtained from positron emission tomography (PET) in primary mass and metastatic hilar/mediastinal lymph nodes in stage 2–3 non-small cell lung cancer (NSCLC).</p></div><div><h3>Methods</h3><p>Images of patients diagnosed with stage 2–3 NSCLC who underwent 18F-FDG PET/CT imaging for staging up to 4 weeks before the start of treatment were evaluated using LIFEx software. Volume of interest (VOI) was generated from the primary tumor and metastatic lymph node separately, and volumetric and textural features were obtained from these VOIs. The relationship between the parameters obtained from PET of primary mass and the metastatic hilar/mediastinal lymph nodes with overall survival (OS) and progression-free survival (PFS) was analyzed.</p></div><div><h3>Results</h3><p>When radiomic features, gender and stage obtained from lymph nodes were evaluated by Cox regression analysis; GLCM_correlation (p: 0.033, HR: 4,559, 1.660–12.521, 95% CI), gender and stage were determined as prognostic factors predicting OS. In predicting PFS; stage, smoking and lymph node MTV (p: 0.033, HR: 1.008, 1.001–1.016, 95% CI) were determined as prognostic factors. However, the radiomic feature of the primary tumor could not show a significant relationship with either OS or PFS.</p></div><div><h3>Conclusions</h3><p>In a retrospective cohort of NSCLC patients with Stage 2 and 3 disease, volumetric and radiomic texture characteristics obtained from metastatic lymph nodes were associated with PFS and OS. Tumor heterogeneity, defined by radiomic texture features of 18 F-FDG PET/CT images, may provide complementary prognostic value in NSCLC.</p></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500027"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141728421","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}
Abreu P. , Guallart F. , Siscar C. , Navas M.A. , Casas L. , Montenegro F.
{"title":"Comparison of intraoperative imaging with a portable gamma camera with extemporaneous histology in minimally invasive surgery for primary hyperparathyroidism","authors":"Abreu P. , Guallart F. , Siscar C. , Navas M.A. , Casas L. , Montenegro F.","doi":"10.1016/j.remnie.2024.500030","DOIUrl":"10.1016/j.remnie.2024.500030","url":null,"abstract":"<div><h3>Introduction</h3><p>The curative treatment of primary hyperparathyroidism (PPH) is surgical and today it can be performed by minimally invasive surgery (MIS) and also be radioguided (RG) if a radiopharmaceutical with affinity for the parathyroid tissue that can be detected with gamma-detector probes or with a portable gamma camera (PGC) is injected.</p></div><div><h3>Aim</h3><p>The objective is to assess whether intraoperative scintigraphy (GGio) with PGC can replace intraoperative pathological anatomy (APio) to determine if the removed specimen is an abnormal parathyroid.</p></div><div><h3>Material and method</h3><p>92 patients underwent CMI RG--HPP with PGC after the administration of a dose of 99 mTc-MIBI. The information provided by the PGC in the analysis of the excised specimens is qualitatively compared (capture yes/no) with the result of the intraoperative pathological anatomy (APio). The Gold standard is the definitive histology.</p></div><div><h3>Results</h3><p>120 excised pieces are evaluated with GGio and APio. There were 110 agreements (95TP and 15TN) and 10 disagreements (3FP and 7FN). Of the 120 lesions, 102 were parathyroid and 18 were non-parathyroid. There was good agreement between intraoperative scintigraphy imaging (GGio) and PA, 70.1% according to Cohen's Kappa index. The GGio presented the following values of Sensitivity, Specificity, Positive Predictive Value, Negative Predictive Value, Positive Likelihood Ratio, Negative Likelihood Ratio and Overall Value of the Test (93.1%, 83.3%, 96.9%, 68.2%, 5.59, 0.08 and 0.92 respectively).</p></div><div><h3>Conclusion</h3><p>GGio is a rapid and effective surgical aid technique to confirm/rule out the possible parathyroid nature of the lesions removed in PPH surgery, but it cannot replace histological study.</p></div>","PeriodicalId":94197,"journal":{"name":"Revista espanola de medicina nuclear e imagen molecular","volume":"43 5","pages":"Article 500030"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141877065","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}