Molecular Imaging and Radionuclide Therapy最新文献

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Oxidized Regenerated Cellulose can be a Cause of False Tumor Recurrence on PET/CT in Patients with Lung Cancer Treated Surgically. 氧化再生纤维素可能是手术治疗肺癌患者的PET/CT假肿瘤复发的一个原因。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.20082
Muhammet Sayan, Ali Çelik, Merve Şatır Türk, Dilvin Özkan, Irmak Akarsu, Ozan Yazıcı, Uğuray Aydos, Nilgün Yılmaz Demirci, Gülen Akyol, İsmail Cüneyt Kurul, Abdullah İrfan Taştepe
{"title":"Oxidized Regenerated Cellulose can be a Cause of False Tumor Recurrence on PET/CT in Patients with Lung Cancer Treated Surgically.","authors":"Muhammet Sayan,&nbsp;Ali Çelik,&nbsp;Merve Şatır Türk,&nbsp;Dilvin Özkan,&nbsp;Irmak Akarsu,&nbsp;Ozan Yazıcı,&nbsp;Uğuray Aydos,&nbsp;Nilgün Yılmaz Demirci,&nbsp;Gülen Akyol,&nbsp;İsmail Cüneyt Kurul,&nbsp;Abdullah İrfan Taştepe","doi":"10.4274/mirt.galenos.2022.20082","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.20082","url":null,"abstract":"<p><strong>Objectives: </strong>Regular follow-up of patients with lung cancer treated surgically is crucial to detect local recurrence or distant metastasis of the tumor. Postoperative follow-ups are performed with thorax computed tomography (CT) and, if necessary, positron emission tomography (PET)/CT. Sometimes, inflammatory tissue reactions due to the materials used during the surgery for hemostasis may cause the appearance of tumor recurrence in imaging modalities. In this study, we presented that oxidized regenerated cellulose (ORC) used intraoperatively may cause false tumor recurrence on PET/CT.</p><p><strong>Methods: </strong>The records of patients who had local tumor recurrence after lung cancer surgery was reviewed retrospectively. Inclusion criteria were the presence of local recurrence of cancer on PET/CT, specification of using ORC in the surgical notes, and histopathological diagnosis of the recurrence site of tumor was reported as a foreign body reaction. Data of patients were collected according to age, gender, surgery performed, adjuvant therapy status, resolution status and time ORC, and standard uptake value of <sup>18</sup>F-fluorodeoxyglucose on PET/CT.</p><p><strong>Results: </strong>Eleven patients (1 female, 10 males) who met the criteria were included in the study. The median age was 64. Histopathological results of all patients were reported as foreign body reactions. The median detection time of PET/CT positivity after surgery was 139 days (range: 52-208 days). False tumor recurrence was resolved in 8 patients (72.7%) in their control radiological examinations and median resolution time was 334 days (range: 222-762 days). The median maximum standard uptake value of the lesions was 6.2 (1.7-11) on the PET/CT.</p><p><strong>Conclusion: </strong>ORC used intraoperatively in patients undergoing surgery for lung cancer may cause false tumor recurrence in imaging modalities in postsurgical follow-ups. When tumor recurrence is suspected in the follow-up of these patients, histopathological confirmation is necessary to prevent unnecessary operations and treatments.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/21/4a/MIRT-32-8.PMC9950677.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10778311","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: 4
Leukocyte Labeling with Tc-99m-HMPAO: The Role of Leucocyte Numbers and Medication on the Labeling Efficacy and Image Quality. Tc-99m-HMPAO标记白细胞:白细胞数量和药物对标记效果和图像质量的影响
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.77598
Emre Karayel, Meltem Ocak, A Seher Birteksöz Tan
{"title":"Leukocyte Labeling with Tc-99m-HMPAO: The Role of Leucocyte Numbers and Medication on the Labeling Efficacy and Image Quality.","authors":"Emre Karayel,&nbsp;Meltem Ocak,&nbsp;A Seher Birteksöz Tan","doi":"10.4274/mirt.galenos.2022.77598","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.77598","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study is to evaluation of Tc-99m-hexamethylpropyleneamineoxime (HMPAO)-labeled leukocytes in terms of radiochemical, biochemical, and microbiological quality controls and to examine the effect of leukocyte numbers of the blood obtained from patients and the medications currently used by the patients on the radiochemical yields of Tc-99m-HMPAO-labeled leukocytes, and imaging quality was evaluated.</p><p><strong>Methods: </strong>Thirty paients were included in our study who applied to Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Department of Nuclear Medicine for Tc-99m-HMPAO-labeled leukocyte scintigraphy. Devices and chemicals used in the preparation of Tc-99m-HMPAO-labeled laukocytes were compared with other nuclear medicine clinics. Tc-99m-HMPAO-labeled leukocytes were evaluated in terms of radiochemical, biochemical, and microbiological quality controls. The effect of leukocyte numbers of the blood obtained from patients and the medications currently used by the patients on the radiochemical yields of Tc-99m-HMPAO-labeled leukocytes and imaging quality was evaluated.</p><p><strong>Results: </strong>The pH range of Tc-99m-HMPAO was 6-8 and the radiochemical purity was 90±2.04% (n=30), the radiochemical yield of Tc-99m-HMPAO-labeled leukocytes was 51±2.18% (n=30), the radiolabeling yield of Tc-99m-HMPAO-labeled leukocyte increased as the amount of white blood cell in the blood increased and whether the patients used any antibiotic, blood thinners, insulin and blood pressure medications did not affect the radiolabeling yield of Tc-99m-HMPAO-labeled leukocytes. The number of erythrocytes were removed at a rate of >99% in LPR by starch solution (6% HES; in the hemocytometric examination of Tc-99m-HMPAO-labeled leukocytes performed zeroth and 4th h, living/dead cell ratio was found 97.5% and the product was sterile.</p><p><strong>Conclusion: </strong>Tc-99m-HMPAO was labeled with leukocytes successfully, and Tc-99m-HMPAO-labeled leukocytes was safely injected to the patients as sterile without loss of vitality and aggregation.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/cd/ed/MIRT-32-28.PMC9950689.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10778312","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
Axillary Lymph Node Uptake on 18F-FDG PET/CT after COVID-19 Vaccination: A Direct Comparison Study with Influenza Vaccination. COVID-19疫苗接种后腋窝淋巴结18F-FDG PET/CT摄取:与流感疫苗接种的直接比较研究
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.27136
Yoichi Otomi, Takayoshi Shinya, Hiroto Kasai, Naoko Okada, Tomoki Matsushita, Kohei Higashi, Saya Matsuzaki, Yuka Hiroshima, Michiko Kubo, Hideki Otsuka, Masafumi Harada
{"title":"Axillary Lymph Node Uptake on <sup>18</sup>F-FDG PET/CT after COVID-19 Vaccination: A Direct Comparison Study with Influenza Vaccination.","authors":"Yoichi Otomi,&nbsp;Takayoshi Shinya,&nbsp;Hiroto Kasai,&nbsp;Naoko Okada,&nbsp;Tomoki Matsushita,&nbsp;Kohei Higashi,&nbsp;Saya Matsuzaki,&nbsp;Yuka Hiroshima,&nbsp;Michiko Kubo,&nbsp;Hideki Otsuka,&nbsp;Masafumi Harada","doi":"10.4274/mirt.galenos.2022.27136","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.27136","url":null,"abstract":"<p><strong>Objectives: </strong>To compare vaccinated-side axillary lymph node uptake on <sup>18</sup>F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) after coronavirus disease-2019 (COVID-19) and influenza vaccination.</p><p><strong>Methods: </strong>We retrospectively analyzed 177 patients who underwent <sup>18</sup>F-FDG PET/CT after COVID-19 or influenza vaccination. We compared the uptake of the vaccinated-side axillary lymph nodes of 109 COVID-19 vaccinated patients with those of a lot of influenza-vaccinated patients. We also compared the uptake between 66 patients who received the first COVID-19 vaccination with 43 who received the second COVID-19 vaccination.</p><p><strong>Results: </strong><sup>18</sup>F-FDG-avid axillary lymph nodes on the vaccinated side were significantly more frequently observed in the COVID-19 group (45%) than in the influenza group (19%) (p<0.001). When the interval between vaccination to PET/CT was within 7 days, there was no significant difference in the frequency of <sup>18</sup>F-FDG-avid vaccinated-side axillary lymph nodes between the groups (COVID-19 group: 41% vs. influenza group: 45%, p=0.724). When the interval was over 7 days, <sup>18</sup>F-FDG-avid lymph nodes were much more frequent in the COVID-19 group (47%) than in the influenza group (7%) (p<0.001). Comparing the first and second COVID-19 groups, <sup>18</sup>F-FDG-avid lymph nodes were more frequent in the second vaccination group than in the first vaccination group, but the difference was not significant.</p><p><strong>Conclusion: </strong><sup>18</sup>F-FDG-avid vaccinated-side axillary lymph nodes were more frequently observed in the COVID-19 group than in the influenza group. In the case of the COVID-19 vaccine, a delay of <sup>18</sup>F-FDG PET/CT examination is recommended by a longer interval from vaccination than in the influenza vaccine.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/80/ff/MIRT-32-13.PMC9950671.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10774605","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: 1
Primary Isolated Breast Lymphoma Presenting as Primary Breast Cancer with 18F-FDG PET/CT. 18F-FDG PET/CT表现为原发性乳腺癌。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.58671
Özge Vural Topuz, Özgür Omak, Burçak Yılmaz
{"title":"Primary Isolated Breast Lymphoma Presenting as Primary Breast Cancer with <sup>18</sup>F-FDG PET/CT.","authors":"Özge Vural Topuz,&nbsp;Özgür Omak,&nbsp;Burçak Yılmaz","doi":"10.4274/mirt.galenos.2022.58671","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.58671","url":null,"abstract":"<p><p>A 40-year-old woman with a palpable mass lesion in her right breast suggested as breast cancer was admitted to <sup>18</sup>F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) unit for the metabolic characterization of the lesion and for the staging of the disease. The patient had no fever and no evidence of weight loss or night sweats. <sup>18</sup>F-FDG PET/CT revealed an isolated solid mass lesion with increased <sup>18</sup>F-FDG uptake in the upper outer quadrant of the right breast and increased <sup>18</sup>F-FDG uptake in the lymph nodes of the right axilla suspected as primary breast cancer and its local lymph node metastasis. There was no other pathological <sup>18</sup>F-FDG uptake in the whole body. Excisional biopsy histopathology revealed diffuse large B-cell non-Hodgkin lymphoma.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c0/de/MIRT-32-83.PMC9950683.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10769462","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
Significance of Clinico-radiological Correlation in a Patient with Pulmonary Intimal Sarcoma Simulating as Pulmonary Thromboembolism. 模拟肺血栓栓塞的肺内膜肉瘤的临床-影像学相关性的意义。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.93446
Stuti Chandola, Ekta Dhamija, Sameer Rastogi, Deepali Jain
{"title":"Significance of Clinico-radiological Correlation in a Patient with Pulmonary Intimal Sarcoma Simulating as Pulmonary Thromboembolism.","authors":"Stuti Chandola,&nbsp;Ekta Dhamija,&nbsp;Sameer Rastogi,&nbsp;Deepali Jain","doi":"10.4274/mirt.galenos.2022.93446","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.93446","url":null,"abstract":"<p><p>Pulmonary intimal sarcoma (PAS) is a highly aggressive malignant mesenchymal tumor affecting the central pulmonary arteries. Similar clinical presentation and indeterminate laboratory parameters often result in misdiagnosis of this condition as pulmonary thromboembolism, which is a relatively common disease. Certain imaging features can however allow differentiation between these two diagnoses. We present one such case of PAS that was initially treated as pulmonary embolism; and briefly review the relevant imaging characteristics to avoid overlooking PAS especially in patients with an atypical clinical history for thromboembolism.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/9c/05/MIRT-32-80.PMC9950672.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10769460","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
Metachronous Brain Tumor in 177Lu-PSMA Scan in a Patient with Metastatic Castration Resistant Prostate Cancer Mimicking Disease Progression. 模拟疾病进展的转移性去势抵抗性前列腺癌患者的177Lu-PSMA扫描显示异时性脑肿瘤
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2021.55376
Elahe Pirayesh, Mehrdad Tavakoli
{"title":"Metachronous Brain Tumor in 177Lu-PSMA Scan in a Patient with Metastatic Castration Resistant Prostate Cancer Mimicking Disease Progression.","authors":"Elahe Pirayesh,&nbsp;Mehrdad Tavakoli","doi":"10.4274/mirt.galenos.2021.55376","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2021.55376","url":null,"abstract":"<p><p>A 66-year old man known case of metastatic castration resistant prostate cancer underwent successful 6 cycles treatment with 177Lu- prostate-specific membrane antigen. On the last post therapy whole body scan a new lesion in the skull was noted, suspected for disease progression. One week later, the patient complained from weakness of left upper extremity and brain magnetic resonance imaging revealed a brain tumor, confirmed as glioblastoma pathologically.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d6/77/MIRT-32-54.PMC9950676.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10778314","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
18F-FDG PET/CT Imaging of a Grade 3 Lymphomatoid Granulomatosis in an Immunocompromised Pediatric Patient. 免疫功能低下儿童3级类淋巴瘤肉芽肿的18F-FDG PET/CT成像
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.32848
Selin Kesim, Feyza Şen, Salih Özgüven, Tunç Öneş
{"title":"<sup>18</sup>F-FDG PET/CT Imaging of a Grade 3 Lymphomatoid Granulomatosis in an Immunocompromised Pediatric Patient.","authors":"Selin Kesim,&nbsp;Feyza Şen,&nbsp;Salih Özgüven,&nbsp;Tunç Öneş","doi":"10.4274/mirt.galenos.2022.32848","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.32848","url":null,"abstract":"<p><p>Lymphomatoid granulomatosis is a rare extranodal Epstein-Barr virus-driven B-cell lymphoproliferative disease, involving predominantly lung, less often skin, kidney, and central nervous system. Here, we present a pediatric case with primary immunodeficiency, diagnosed with pathologically proven pulmonary grade-III lymphomatoid granulomatosis. <sup>18</sup>F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) imaging demonstrated <sup>18</sup>F-FDG avid pulmonary masses with central air-bronchograms and cavitations. Although the definitive diagnosis depends on biopsy, <sup>18</sup>F-FDG PET/CT serves as a complementary imaging tool to evaluate the extent of the disease and response to treatment.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/1b/76/MIRT-32-68.PMC9950680.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9334108","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
A Rare Hernia Mimicking Implant in a Patient with Rectal Adenocarcinoma: Internal Herniation. 一种罕见的模拟疝植入直肠腺癌患者:内疝。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.53824
Sibel Göksel, Mustafa Başaran, Hasan Gündoğdu, Cengiz Karaçin
{"title":"A Rare Hernia Mimicking Implant in a Patient with Rectal Adenocarcinoma: Internal Herniation.","authors":"Sibel Göksel,&nbsp;Mustafa Başaran,&nbsp;Hasan Gündoğdu,&nbsp;Cengiz Karaçin","doi":"10.4274/mirt.galenos.2022.53824","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.53824","url":null,"abstract":"<p><p>Internal herniation may be seen more frequently in patients with intra-abdominal surgery and malignancy history. We presented a 58-year-old male patient diagnosed with rectal adenocarcinoma seven years ago with a history of surgery and pelvic radiotherapy. When the abdominal computed tomography (CT) image was taken during routine oncology follow-up, a lesion mimicking a serosal implant on the anterior abdominal wall was detected. <sup>18</sup>F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT imaging was performed the suspicion of recurrence. It was concluded that the lesion, which was evaluated as an implant in abdominal CT with <sup>18</sup>F-FDG PET/CT imaging, was a spontaneously reducing internal herniation. <sup>18</sup>F-FDG PET/CT imaging in cancer patients is crucial in illuminating the suspicion of recurrent lesions in these patients and sheds light on the course of the patients in oncology practice.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/43/24/MIRT-32-87.PMC9950681.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10769463","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
Incidental Tc-99m MDP Uptake in Cortical-subcortical Parietotemporal Cerebral Area in a Patient with a History of Recent Ischemic Cerebrovascular Event who Underwent Whole-body Bone Scan. 近期缺血性脑血管事件患者行全身骨扫描时皮质-皮质下顶颞区Tc-99m MDP偶发摄取
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2022.24865
Demet Nak, Sibel Göksel
{"title":"Incidental Tc-99m MDP Uptake in Cortical-subcortical Parietotemporal Cerebral Area in a Patient with a History of Recent Ischemic Cerebrovascular Event who Underwent Whole-body Bone Scan.","authors":"Demet Nak,&nbsp;Sibel Göksel","doi":"10.4274/mirt.galenos.2022.24865","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2022.24865","url":null,"abstract":"<p><p>The authors present Tc-99m methylene diphosphonate (MDP) uptake in the right parietotemporal area at whole-body bone scan (WBBS) in 75 years male patient with prostate adenocarcinoma Gleason score 3+4 (pT2N0Mx). No residual or metastatic disease was detected in the patient's Gallium-68 prostate-specific membrane antigen positron emission tomography/computed tomography four months before WBBS. The patient had undetectable prostate-specific antigen levels and underwent WBBS to restage prostate cancer due to equivocal findings in previous WBBS. Current WBBS planar views revealed heterogeneous Tc-99m MDP uptake in the right parietotemporal area and the sphenoid bone in addition to equivocal uptake on the lower lumbar vertebrae. Single-photon emission computed tomography study to identify the MDP-avid lesion on the right cranial area revealed heterogeneous Tc-99m MDP uptake in the right parietotemporal area and sphenoid bone. The patient had a history of transsphenoidal surgery for a hypophyseal tumor two years ago and a recent cerebrovascular event (CVE). Diffusion-weighted magnetic resonance imaging revealed a cortical-subcortical patchy area of restricted diffusion in the parietotemporal region compatible with acute ischemia. Heterogeneous Tc-99m MDP uptake in the right parietotemporal area was attributed to recent CVE and secondary vascular-tissue change-related dystrophic calcification.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/04/44/MIRT-32-65.PMC9950678.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10778317","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
18F-FDG PET/CT Findings Overlapping Lymphoma in a Patient with Systemic Juvenile Idiopathic Arthritis. 18F-FDG PET/CT在系统性幼年特发性关节炎患者中的重叠淋巴瘤表现。
IF 0.9
Molecular Imaging and Radionuclide Therapy Pub Date : 2023-02-23 DOI: 10.4274/mirt.galenos.2021.30922
Özlem Şahin, Bülent Ataş, Özge Metin Akcan, Ahmet Eren Şen
{"title":"<sup>18</sup>F-FDG PET/CT Findings Overlapping Lymphoma in a Patient with Systemic Juvenile Idiopathic Arthritis.","authors":"Özlem Şahin,&nbsp;Bülent Ataş,&nbsp;Özge Metin Akcan,&nbsp;Ahmet Eren Şen","doi":"10.4274/mirt.galenos.2021.30922","DOIUrl":"https://doi.org/10.4274/mirt.galenos.2021.30922","url":null,"abstract":"<p><p>Systemic juvenile idiopathic arthritis (sJIA) is an important autoinflammatory disease whose first symptom is usually fever, and life-threatening conditions such as macrophage activation syndrome can develop when diagnosis and treatment is delayed. sJIA is an exclusion diagnosis, and there is no specific test that distinguishes it from other febrile diseases. We report the positron emission tomography/computed tomography (PET/CT) findings of sJIA in a 12-year-old girl who presented with fever, rash, and arthralgia. <sup>18</sup>F-fluorodeoxyglucose (FDG) uptake was observed in the spleen, bone marrow, and lymph nodes in <sup>18</sup>F-FDG PET/CT performed to investigate the etiology of fever of unknown origin. The result of excisional biopsy performed with the suspicion of lymphoma from the left cervical lymph node with intense <sup>18</sup>F-FDG uptake was reported as reactive hyperplasia. PET/CT is an alternative diagnostic method for patients with fever of unknown origin. In this case report, we emphasize that in patients with sJIA, there may be intense fluorodeoxyglucose-avid lymph nodes that may lead to the consideration of lymphoproliferative disease, and PET/CT findings along with spleen and bone marrow involvement may overlap with lymphoma.</p>","PeriodicalId":44681,"journal":{"name":"Molecular Imaging and Radionuclide Therapy","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/eb/6f/MIRT-32-90.PMC9950687.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10791346","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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