Nuclear medicine review. Central & Eastern Europe最新文献

{"title":"Relationship between cerebral blood flow reduction patterns on scintigraphy and nonmotor symptoms in new-onset Lewy body disease.","authors":"Yukinori Okada,&nbsp;Makoto Shiraishi,&nbsp;Koji Hori,&nbsp;Keiichro Yamaguchi,&nbsp;Yasuhiro Hasegawa","doi":"10.5603/NMR.a2022.0005","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0005","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to investigate the relationship between patterns of reduced cerebral blood flow (CBF) evaluated by means of 123I-N-isopropyl-p-iodoamphetamine ([123I]IMP) scintigraphy and nonmotor symptoms in new-onset Lewy body disease (Parkinson's disease and dementia with Lewy bodies [DLB]).</p><p><strong>Material and methods: </strong>Twenty-four patients diagnosed with new-onset Parkinson's disease or DLB underwent [123I]IMP CBF scintigraphy at St. Marianna Medical University Hospital between January 1, 2010, and March 30, 2018. The reductions in CBF in various brain regions were analyzed using the three-dimensional stereotactic surface projection method and were compared to standard database values, yielding extent values (%). The extent values were evaluated in relation to the presence/absence of motor or nonmotor symptoms such as visual hallucinations, auditory hallucinations, delirium, depression, delusions, and dementia.</p><p><strong>Results: </strong>The extent value was 100% in the angular, supramarginal, and lingual gyri; 95% in the orbital gyri; and 92.6% in the fusiform gyri. The extent value in patients without hallucinations and those with visual hallucinations was 41.2% and 54.3%, respectively, in the frontal lobe (p = 0.02) and 33.3% and 51.0%, respectively, in the medial prefrontal gyri (p = 0.02). Age-adjusted multivariate analysis showed that extent values in the frontal lobe were associated with visual hallucinations (odds ratio: 1.09, 95% confidence interval 1.00-1.18, p = 0.04).</p><p><strong>Conclusions: </strong>The above results show that the CBF is reduced in several areas of the cerebral cortex and suggest an association between reduced blood flow in the frontal lobe and the appearance of visual hallucinations in patients with new-onset DLB.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"18-24"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39902625","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":"Efficacy of long-term ultrasonography in follow-up of patients with papillary thyroid carcinoma: a case of neck metastasis developed 19 years following primary treatment.","authors":"Vlatka Jozanovic,&nbsp;Sanja Kusacic Kuna,&nbsp;Marija Despot,&nbsp;Tatjana Samardzic,&nbsp;Drazen Huic","doi":"10.5603/NMR.a2022.0011","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0011","url":null,"abstract":"<p><p>The cases of relapse in papillary thyroid cancer patients who were initially considered low-risk and for many years were without signs of the disease are extremely rare, but exist. This is supported by the clinical case of a patient who underwent a total thyroidectomy due to papillary thyroid cancer and 19 years later metastasis with extracapsular spreading in a presumed thyroid place was revealed. Due to such cases, the importance of long-term ultrasound monitoring is emphasized.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"62-63"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39764935","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":"Different glucose metabolism behavior relating to histotypes in synchronous breast cancers evaluated by [18F]FDG PET-CT.","authors":"Pietro Bellini,&nbsp;Domenico Albano,&nbsp;Francesco Dondi,&nbsp;Francesco Bertagna,&nbsp;Raffaele Giubbini","doi":"10.5603/NMR.a2022.0012","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0012","url":null,"abstract":"<p><p>Glucose metabolism is increased in most aggressive tumors and it is commonly evaluated by positron emission tomography-computed tomography (PET-CT) with 18F-fluorodeoxyglucose ([18F]FDG), measuring the Maximum Standardized Uptake Value (SUVmax) for the assessment. Particularly, it is known that breast cancer expresses different glucose metabolism inrelation to estrogen receptor (ER), progesterone receptor (PR), Ki67 score, tumor grading, tumor size, and Human Epidermal Growth Factor Receptor 2 (HER2). We present an interesting case of a woman with two different, synchronous breast cancers characterized by different glucose metabolism, according to literature knowledge.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"64-65"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39764936","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":"Detection of a second primary cancer in a 18F-fluorocholine PET/CT - multicentre retrospective analysis on a group of 1345 prostate cancer patients.","authors":"Paulina Cegla,&nbsp;Katarzyna Scibisz-Dziedzic,&nbsp;Kamila Witkowska,&nbsp;Anna Kubiak,&nbsp;Ewa Wierzchoslawska,&nbsp;Witold Kycler,&nbsp;Beata Chrapko,&nbsp;Rafał Czepczyński","doi":"10.5603/NMR.a2022.0006","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0006","url":null,"abstract":"<p><strong>Background: </strong>Aim of this study was to evaluate the rate of incidental detection of second primary cancer (SPC) at 18F-fluorocholine ([18F]FCH) positron emission tomography/computed tomography (PET/CT) performed in prostate cancer patients.</p><p><strong>Material and methods: </strong>A retrospective analysis was performed on a group of 1345 prostate cancer patients, who underwent [18F]FCH PET/CT study because of suspicion of recurrence (n = 937) or for initial staging (n = 408). Images were acquired after intravenous injection [18F]FCH with a mean activity of 200 ± 75 MBq (5.4 ± 2 mCi), from the top of the head to the half of the thigh. The confirmation of second primary cancer was obtained from the cancer registry.</p><p><strong>Results: </strong>Based on the [18F]FCH PET/CT scans, a second primary cancer was suspected in 89 patients (6.6%). Of these, a malignancy was histologically confirmed in 26 patients (29% of all suspected findings and 1.9% of the complete cohort). Lung cancer (including adenocarcinoma, neuroendocrine cancer) was diagnosed in 13 patients (50%) and hematologic neoplasm (including chronic lymphocytic leukemia, Hodgkin lymphoma, follicular lymphoma, and multiple myeloma) in 5 patients (19%). 18F-fluorocholine PET/CT also revealed esophageal cancer, mesothelioma, testicular, renal, bladder, and colorectal cancer inindividual patients, non-keratinizing squamous cell carcinoma (SCC) of the skin as well as head and neck SCC with unknown primary.</p><p><strong>Conclusion: </strong>We conclude that incidental detection of a second primary cancer in prostate cancer patients using [18F]FCH PET/CT is not very common and that lung cancer and hematologic malignancies are most frequently detected.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"25-30"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39902626","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":"Editorial Note.","authors":"Grzegorz Kamiński","doi":"10.5603/NMR.2022.0016","DOIUrl":"https://doi.org/10.5603/NMR.2022.0016","url":null,"abstract":"","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40417922","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":"Optimal timing of SPECT/CT to demonstrate parathyroid adenomas in 99mTc-sestamibi scintigraphy.","authors":"Kate Hunter,&nbsp;Niamh Gavin,&nbsp;Colin McQuade,&nbsp;Brendan Hogan,&nbsp;John Feeney","doi":"10.5603/NMR.a2022.0020","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0020","url":null,"abstract":"<p><strong>Background: </strong>Accurate preoperative localisation of the parathyroid adenoma is essential to achieve a minimally invasive parathyroidectomy. The purpose of this study was to validate and improve our single-isotope dual-phase parathyroid imaging protocol utilising 99mTechnetium-Sestamibi ([99mTc]MIBI). There has been no accepted gold standard evidence-based protocol regarding timing of single-photon emission computed tomography/computed tomography (SPECT/CT) acquisition in parathyroid imaging with resultant variation between centres. We sought to determine the optimum timing of SPECT/CT post administration of [99mTc]MIBI in the identification of parathyroid adenomas. We aimed to evaluate the efficacy of early and late SPECT/CT and to establish whether SPECT/CT demonstrates increased sensitivity over planar imaging.</p><p><strong>Material and methods: </strong>A sample of 36 patients with primary hyperparathyroidism underwent planar and SPECT/CT acquisition 15 minutes (early) and two hours (late) post [99mTc]MIBI administration. Two radionuclide radiologists reviewed the images and Fisher's exact Chi-squared statistic was used to evaluate the diagnostic performances of early versus late SPECT/CT acquisition and SPECT/CT versus planar imaging.</p><p><strong>Results: </strong>Twenty-one likely parathyroid adenomas were identified with a statistically superior diagnosis rate in the late SPECT/CT acquisition compared with both early SPECT/CT and planar imaging (p < 0.05). All adenomas diagnosed on early SPECT/CT acquisition were also identified on late SPECT/CT images.</p><p><strong>Conclusions: </strong>Single late phase SPECT/CT is significantly superior to early SPECT/CT in the identification of parathyroid adenomas. Late SPECT/CT improves diagnostic accuracy over planar acquisition. Imaging protocols should be revised to include late SPECT/CT acquisition. Early SPECT/CT acquisition can be eliminated from scan protocols with associated implications regarding reduced scan time and increased patient throughput.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"89-94"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40335191","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":"A crying liver: a scan pattern mimicking spontaneous perforation of the biliary ducts.","authors":"Somaye Barashki,&nbsp;Hadis Mohammadzadeh Kosari,&nbsp;Emran Askari,&nbsp;Zahra Bakhshi Golestani,&nbsp;Mehran Hiradfar,&nbsp;Ramin Sadeghi","doi":"10.5603/NMR.a2022.0028","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0028","url":null,"abstract":"<p><p>A 2-month-old infant was referred for hepatobiliary scintigraphy due to ascites of unknown cause. The top differential diagnosis was spontaneous perforation of the biliary ducts. Delayed images up to 4 hours were against this diagnosis showing normal distribution of the radiotracer throughout the bowel. However, on delayed images, the scan showed mild tracer retention in the ascites confirmed by SPECT/CT images. Surprisingly, the exploratory abdominal surgery revealed an intact hepatobiliary system, pointing toward other possible etiologies. Second-review surgery was performed due to uncontrolled progressive ascites showing congestive hepatopathy and biliary leak from the hepatic surface suggestive of the \"crying liver\".</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"131-133"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40335194","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":"Myocardial perfusion imaging single photon emission computed tomography may detect silent myocardial ischemia in patient with epilepsy.","authors":"Sofia Markoula,&nbsp;Afroditi Tsoumani,&nbsp;Chainti Antonella Votti,&nbsp;Maria Beltsiou,&nbsp;Lampros Lakkas,&nbsp;Konstantinos Pappas,&nbsp;Ioannis Iakovou,&nbsp;Andreas Fotopoulos,&nbsp;Athanassios P Kyritsis,&nbsp;Chrissa Sioka","doi":"10.5603/NMR.a2022.0023","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0023","url":null,"abstract":"<p><strong>Background: </strong>The aim of the present study was to compare the myocardial perfusion imaging (MPI) with [99mTc]tetrofosmin stress - rest single-photon emission computer tomography (SPECT) of patients with epilepsy with matched control individuals.</p><p><strong>Material and methods: </strong>All 29 adult epileptic patients were receiving antiepileptic drugs (AEDs) for epilepsy. Thirty-two individuals matched for gender and age consisted of the control group. MPIs SPECT were performed, and myocardial summed scores were obtained during stress (SSS) and rest (SRS) images. Abnormal MPI was considered when SSS was ≥ 4. In addition, the difference (SDS) between SSS and SRS was also assessed, which represents a rate of reversibility after stress.</p><p><strong>Results: </strong>Twenty of 29 (68.97%) patients with epilepsy had abnormal MPI and 14/32 (43.75%) of the controls (p = 0.04). Among males, 18/23 patients and 11/25 controls had abnormal MPI (p = 0.01), with quite a significant difference for mean SSS between male patients and controls (p = 0.002). Furthermore, SDS comparison showed that irreversible abnormalities were more common in patients than in control individuals. A difference of inadequately compensated myocardial ischemia between patients treated with enzyme inducing AEDs and patients treated with valproic acid was also detected.</p><p><strong>Conclusions: </strong>Single-photon emission computer tomography (SPECT) may detect increased risk for coronary artery disease and further cardiovascular events in patients with epilepsy. Our findings favor the conclusion that SPECT could be used for the early identification of cardiovascular comorbidity in epilepsy.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"105-111"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40672310","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":"Assessing the correlation between FDG PET findings of IDC breast carcinoma and histopathology of coexisting ductal carcinoma in-situ.","authors":"Ismet Sarikaya,&nbsp;Ali Sarikaya,&nbsp;Ahmed N Albatineh,&nbsp;Ebru Tastekin,&nbsp;Yavuz Atakan Sezer","doi":"10.5603/NMR.a2022.0003","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0003","url":null,"abstract":"<p><strong>Background: </strong>Ductal carcinoma in-situ (DCIS) often coexists with invasive ductal carcinoma (IDC) of the breast. DCIS is considered as a non-obligate precursor of IDC when both coexist. 18F-fluorodeoxyglucose positron emission tomography/computed tomography ([18F]FDG PET/CT) imaging is commonly used in the staging and follow-up assessment of breast cancer. In this study, we aimed to assess if there is any correlation between primary tumor PET and histopathology findings and histopathological features of the coexisting DCIS.</p><p><strong>Material and methods: </strong>FDG PET/CT images and histopathology results of the patients with newly diagnosed breast cancer (IDC) with coexisting DCIS were analyzed in this retrospective study. The grade and size of the primary tumor and histopathological features of the coexisting DCIS (nuclear grade and architectural pattern) were obtained from the postoperative histopathology results. Maximum standardized uptake values (SUV: SUVmax and SULmax) of the primary tumor normalized by weight and lean body mass were measured. Statistical analysis was performed to assess the correlation between various parameters of IDC and DCIS.</p><p><strong>Results: </strong>This study included sixty-two (62) patients with IDC-DCIS. Primary tumor grade was significantly correlated and associated with the nuclear grade of the coexisting DCIS (polychoric correlation r = 0.736, and Fisher exact test, PV < 0.001, respectively). Primary tumor SUV was not correlated with the nuclear grade and architectural pattern of the coexisting DCIS (polyserial correlation r = 0.172, PV = 0.155, and Point Bi-Serial correlation r = -0.009, PV = 0.955, respectively). Median primary tumor size was marginally significantly different among DCIS nuclear grades but it was not significantly different in comedo and non-comedo cases (Kruskal-Wallis test PV = 0.053, and Mann-Whitney U test PV = 0.890, respectively).</p><p><strong>Conclusions: </strong>Primary tumor grade is correlated with the nuclear grade of the coexisting DCIS. SUV of primary tumor does not seem to be correlated with the histopathological features of coexisting DCIS (nuclear grade and architectural pattern) but this may be further studied in a larger number of patients.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"6-11"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39902624","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 efficacy of melatonin against radiotoxicity of iodine-131 and its response to treatment in hyperthyroid patients: a randomized controlled trial.","authors":"Soudabe Alidadi,&nbsp;Ali Shabestani Monfared,&nbsp;Mehrangiz Amiri,&nbsp;Ebrahim Zabihi,&nbsp;Ehsan Assadollahi,&nbsp;Amir Gholami,&nbsp;Zoleika Moazezi,&nbsp;Zeinab Abedian","doi":"10.5603/NMR.a2022.0007","DOIUrl":"https://doi.org/10.5603/NMR.a2022.0007","url":null,"abstract":"<p><strong>Background: </strong>Since melatonin is a non-toxic compound with proven radioprotective effects, we aimed to investigate its efficacy in an in-vivo setting in hyperthyroid patients who are treated with iodine-131. This double-blind placebo-controlled study was conducted on hyperthyroid patients referred to nuclear medicine centers in Babol, Iran. We excluded patients suffering from hypertension treated with warfarin, autoimmune diseases, genetic diseases, cancers, smokers, chemical wounded, radiology and radiotherapy workers, and those who were treated with chemotherapy agents. Patients were randomly assigned to receive a capsule containing 300 mg of melatonin powder or a placebo. Just before receiving iodine-131, blood samples were taken from individuals. All 52 female patients received 10 to 20 mCi iodine-131 for treating hyperthyroidism. A second blood sample was taken one hour after the administration of iodine-131.</p><p><strong>Material and methods: </strong>To determine the chromosomal damages before and after receiving radioiodine, we performed the cytokinesis- block micronucleus assay. Also, at phase 2, 6 months follow-up was performed, in which patients' positive responses to treatment were compared.</p><p><strong>Results: </strong>The findings of this study indicate that the difference in micronucleus formation between the placebo and melatonin groups is not significant. However, a significant difference in the 6 months follow-up revealed that 61.5% and 85.7% of patients had a positive response to treatment in the placebo and melatonin groups, respectively.</p><p><strong>Conclusions: </strong>As one of the first studies dealing with the human in-vivo assessment on the radioprotective effects of melatonin, it was concluded that melatonin has a non-significant positive impact on reducing the rate of chromosomal damages in hyperthyroid patients treated with iodine-131. Nevertheless, the outcome of treatment was significantly higher by melatonin compared to the placebo group.</p>","PeriodicalId":520725,"journal":{"name":"Nuclear medicine review. Central & Eastern Europe","volume":" ","pages":"31-36"},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39902628","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}