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Lymphoma FDG PET/CT

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https://www.readbyqxmd.com/read/29147860/18f-fdg-pet-ct-in-primary-brain-lymphoma
#1
Domenico Albano, Giovanni Bosio, Mattia Bertoli, Raffaele Giubbini, Francesco Bertagna
The actual role of 18F-FDG PET/CT in evaluating primary brain lymphoma is still an open issue. Brain lymphoma usually show elevated 18F-FDG uptake, often higher than other brain tumors or inflammatory processes, but the metabolic behavior of this lymphoma is not still understood. Our aim was to investigate the particular metabolic behavior of this lymphoma. Forty six patients (21 female, 25 male) with histologically-confirmed brain lymphoma who underwent 18F-FDG PET/CT from vertex to the mid-thigh for initial staging were retrospectively evaluated...
November 17, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29145318/an-unusual-cause-of-fever-of-unknown-origin-with-enlarged-lymph-nodes-relapsing-polychondritis-a-case-report
#2
Wei Liu, Hongli Jiang, Han Jing, Bing Mao
INTRODUCTION: Fever of unknown origin (FUO) is a common initial presentation leading to a diagnostic challenge. PATIENT CONCERNS: A 3-month history of moderate-to-high fever was reported in an otherwise healthy 54-year-old man. Enhanced computed tomography (CT) scans of his chest showed a remarkable progressive enlargement of bilateral cervical, supraclavicular, hilar, and mediastinal lymph nodes within 2 weeks. Bronchofibroscopy manifested obvious luminal stenosis with swelling, thick pale mucosa, and disappearing of structures of trachea cricoid cartilage, followed by a 18F-fluorodeoxyglucose positron-emission tomography-computed tomography (18F-FDG PET/CT) with intense symmetric FDG uptake in larynx, tracheobronchial tree, and hilar, mediastinal, and axillary lymph nodes being demonstrated...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145302/burkitt-lymphoma-and-cavernous-sinus-syndrome-with-breast-uptake-on-18f-fdg-pet-ct-a-case-report
#3
Florette Reyneke, Neo Mokgoro, Mariza Vorster, Mike Sathekge
RATIONALE: Burkitt lymphoma (BL) is a type of non-Hodgkin lymphoma that arises in the B-cells. Cavernous sinus involvement is rare, especially in adults. Here we report an unusual case of a 30-year-old HIV-positive woman with BL and cavernous sinus syndrome who also had intense bilateral breast uptake, related to menstrual cycle. Fluorine-18 2-fluoro-2-deoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) has been found to be useful in the management of BL. PATIENT CONCERNS: A 30-year old female patient presented with a history of diplopia and headache...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145251/renal-osteodystrophy-presenting-as-a-metabolic-superscan-on-f-18-fdg-pet-ct-a-case-report
#4
Ismaheel Lawal, Alfred Ankrah, Kehinde Ololade, Moshe Modiselle, Mike Sathekge
RATIONALE: F-18 Fluoro Deoxyglucose positron emission tomography and computed tomography (F-18 FDG PET/CT) is a useful modality in the evaluation of patients with malignancies. Increased incidence of lympho-proliferative disorders has been reported in individuals with long-standing end-stage renal disorders treated with renal replacement therapy. PATIENT CONCERNS: A 30-year-old male on peritoneal dialysis on account of end-stage renal disease. He had acute rejection of an earlier transplanted renal allograft...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29142359/non-hodgkin-s-lymphoma-with-pelvic-skeletal-muscle-involvement-presenting-as-low-back-ache-an-uncommon-presentation-of-a-rather-common-malignancy
#5
Arun Ravi John, G P S Gahlot, Braj Kishore Singh, Anurag Jain, Abhishek Mahato, M J Jacob
Lymphoma with skeletal muscle involvement is a rare clinical presentation. They may occur as primary skeletal muscle lymphoma, contiguous spread from bones or by metastatic spread. We present a rare case of non-Hodgkin's lymphoma with pelvic skeletal muscle involvement presenting as low back ache. Lymphoma as the first differential diagnosis in this case was clinched after an (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET) and confirmed as diffuse large B-cell lymphoma on histopathology. We seek to present an uncommon manifestation of lymphoma and highlight the role of (18)F-FDG PET CT in the diagnosis, staging, and management of lymphoma...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29137104/tumor-and-bone-marrow-uptakes-on-18f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-predict-prognosis-in-patients-with-diffuse-large-b-cell-lymphoma-receiving-rituximab-containing-chemotherapy
#6
Chin-Chuan Chang, Shih-Feng Cho, Hung-Pin Tu, Chia-Yang Lin, Ya-Wen Chuang, Shu-Min Chang, Wen-Ling Hsu, Ying-Fong Huang
The purpose of this study was to determine the relevance of standardized uptake value (SUV) on [F]fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT), focusing on tumor and bone marrow, to disease outcomes based on progression-free survival (PFS) and overall survival (OS) in patients with diffuse large B-cell lymphoma (DLBCL) receiving rituximab-containing chemotherapy.We reviewed the records of patients with DLBCL who were diagnosed between September 2009 and January 2013 and underwent pretreatment whole-body FDG PET/CT scans...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29137032/non-hodgkin-lymphoma-of-multiple-extranodal-involvement-seen-on-mri-fdg-pet-ct-scans-a-case-report
#7
Shan Wang, Meng Meng, Qiuhu Wang, Kai Xu
RATIONALE: Anaplastic large cell lymphoma (ALCL) is a rare type of non-Hodgkin lymphoma (NHL). The most common extranodal sites of ALCL are skin, subcutaneous tissue, bone, lung, and gastrointestinal organs. This study reports a case of ALCL with multiple extranodal involvement, especially the whole body skeletal muscles, with the aim to share the imaging features of the ALCL including magnetic resonance imaging (MRI) and 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29107751/-18-f-fdg-pet-contrast-enhanced-ct-in-the-standard-follow-up-of-patients-with-lymphoma
#8
A M García Vicente, M P Talavera Rubio, E Dominguez Ferreras, C Calle Primo, M Amo-Salas, M J Tello Galán, G A Jiménez Londoño, F Jiménez Aragón, B Hernández Ruiz, Á Soriano Castrejón
AIM: To assess the diagnostic accuracy of (18)F-FDG PET/contrast enhanced computed tomography (ceCT) in the detection of asymptomatic recurrences in patients with lymphoma. MATERIAL AND METHODS: Patients with lymphoma and clinical complete remission underwent (18)F-FDG PET/ceCT for standard follow-up.(18)F-FDG PET and ceCT were evaluated blindly by two independent observers, and classified as positive or negative for recurrence. Additionally a combined evaluation of both techniques was performed...
October 26, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29097924/meta-analysis-of-the-correlation-between-apparent-diffusion-coefficient-and-standardized-uptake-value-in-malignant-disease
#9
REVIEW
Shengming Deng, Zhifang Wu, Yiwei Wu, Wei Zhang, Jihui Li, Na Dai, Bin Zhang, Jianhua Yan
The objective of this meta-analysis is to explore the correlation between the apparent diffusion coefficient (ADC) on diffusion-weighted MR and the standard uptake value (SUV) of (18)F-FDG on PET/CT in patients with cancer. Databases such as PubMed (MEDLINE included), EMBASE, and Cochrane Database of Systematic Review were searched for relevant original articles that explored the correlation between SUV and ADC in English. After applying Fisher's r-to-z transformation, correlation coefficient (r) values were extracted from each study and 95% confidence intervals (CIs) were calculated...
2017: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29080987/radiation-dose-reduction-through-combining-positron-emission-tomography-computed-tomography-pet-ct-and-diagnostic-ct-in-children-and-young-adults-with-lymphoma
#10
Zhihua Qi, Erica L Gates, Maureen M O'Brien, Andrew T Trout
BACKGROUND: Both [F-18]2-fluoro-2-deoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) and diagnostic CT are at times required for lymphoma staging. This means some body segments are exposed twice to X-rays for generation of CT data (diagnostic CT + localization CT). OBJECTIVE: To describe a combined PET/diagnostic CT approach that modulates CT tube current along the z-axis, providing diagnostic CT of some body segments and localization CT of the remaining body segments, thereby reducing patient radiation dose...
October 28, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29076903/imaging-characteristics-of-chemotherapy-related-adult-onset-still-disease
#11
Yang Lu, Beth A Chasen, Homer A Macapinlac
A 60-year-old man with lymphoma completed chemotherapy on October 21, 2016, with complete remission. He then received rituximab maintenance therapy. Since March 2017, he has had progressive fatigue, myalgias, rash, weight loss, diarrhea, and recurrent low-grade fever. Subsequent bone marrow biopsy and FDG PET/CT demonstrated no active lymphoma. An In-white blood cell scan showed abnormal tracer uptake on 20-hour postinjection, but not on 3-hour postinjection images, including innumerable skeleton muscle foci, multiple cutaneous foci, and persistent diffuse increased uptake in the lungs...
December 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29063177/approach-to-richter-transformation-of-chronic-lymphocytic-leukemia-in-the-era-of-novel-therapies
#12
REVIEW
Maliha Khan, Rabbia Siddiqi, Philip A Thompson
Chronic lymphocytic leukemia (CLL) has a highly variable clinical course. About 2-10% of CLL patients develop aggressive histological transformation, most commonly to diffuse large B cell lymphoma (DLBCL), historically called Richter transformation (RT). Clinical features suggestive of RT include elevated LDH and non-specific symptoms such as fever, weight loss, and lymphadenopathy. 18-fluorodeoxyglucose (18-FDG) uptake is increased on PET scan (standardized uptake value max most commonly ≥ 10). PET/CT study can identify optimal site for excisional biopsy, which is the gold standard for RT diagnosis, as well as aid in disease staging and prognostication...
October 23, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29056243/prognostic-significance-of-standardized-uptake-value-on-f18-fdg-pet-ct-in-patients-with-extranodal-nasal-type-nk-t-cell-lymphoma-a-multicenter-retrospective-analysis
#13
Kyoungjune Pak, Bum Soo Kim, Keunyoung Kim, In Joo Kim, Sungmin Jun, Young Jin Jeong, Hye Kyung Shim, Sung-Dong Kim, Kyu-Sup Cho
OBJECTIVES: The purpose of this study was to evaluate the value of parameters assessed with F18-flurodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) in predicting relapse free survival and overall survival in patients with extranodal nasal type NK/T cell lymphoma. METHODS: Thirty-six patients with extranodal nasal type NK/T cell lymphoma, and who underwent PET/CT prior to curative treatment, were enrolled at five institutions. Volumes of interest covering the entire tumor volume were delineated on PET/CT images, and the maximum standardized uptake value (SUVmax), mean SUV (SUVmean), metabolic tumor volume (MTV), and total lesion glycolysis (TLG) were measured using thresholds of 40% of SUVmax...
October 12, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29042975/comparison-of-dwibs-t2-image-fusion-and-pet-ct-for-the-diagnosis-of-cancer-in-the-abdominal-cavity
#14
Minoru Tomizawa, Fuminobu Shinozaki, Yoshitaka Uchida, Katsuhiro Uchiyama, Satomi Tanaka, Takafumi Sunaoshi, Daisuke Kano, Eriko Sugiyama, Misaki Shite, Ryouta Haga, Yoshiya Fukamizu, Toshiyuki Fujita, Satoshi Kagayama, Rumiko Hasegawa, Yoshinori Shirai, Yasufumi Motoyoshi, Takao Sugiyama, Shigenori Yamamoto, Naoki Ishige
Fusion images of diffusion-weighted whole-body imaging with background body signal suppression and T2-weighted image (DWIBS/T2) demonstrate a strong signal for malignancies, with a high contrast against the surrounding tissues, and enable anatomical analysis. In the present study, DWIBS/T2 was compared with (18)F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) for diagnosing cancer in the abdomen. Patient records, including imaging results of examination conducted between November 2012 and May 2014, were analyzed retrospectively...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29018927/whole-body-magnetic-resonance-in-indolent-lymphomas-under-watchful-waiting-the-time-is-now
#15
EDITORIAL
Massimo Galia, Domenico Albano, Corrado Tarella, Caterina Patti, Luca Maria Sconfienza, Antonino Mulè, Pierpaolo Alongi, Massimo Midiri, Roberto Lagalla
ᅟ: The indolent non-Hodgkin lymphomas (i-NHLs) are characterised by 'indolent' clinical behaviour with slow growth and prolonged natural history. The watchful waiting (WW) strategy is a frequently employed treatment option in these patients. This implies a strict monitoring by imaging examinations, including 18F-fluorodeoxyglucose-positron emission tomography/computed tomography (18F-FDG-PET/CT) and CT. A major concern is radiation exposure due to regularly monitoring by conventional imaging procedures. Several studies have demonstrated the reliability of whole-body magnetic resonance imaging (WB-MRI) for lymphoma staging...
October 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28989161/-pet-ct-imaging-features-of-primary-ureteric-lymphoma-%C3%A2-a-case-report-and-literature-review
#16
Xiaohuang Yang, Na Hu, Yunhua Wang
To review the dual-time-point 18F-fluorodeoxyglucose (FDG) positron emission tomography/X-ray computed tomography (PET-CT) imaging for a patient with primary ureteric lymphoma (PUL), and explore the potential of FDG PET-CT on diagnosis, staging and evaluation of treatment in patients with PUL.
 Methods: Complete clinical and imaging data of one patient with PUL was reported. The relevant literatures from 1997 to 2016 were reviewed, and the imaging features of uriteric lymphoma were analyzed.
 Results: The patient presented with microhematuria, a soft-density mass with moderate enhancement in the mid left ureter, and a luminal stenosis with the scope inserted 5 cm into the left stoma, but no mass was found...
September 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28988418/clinical-utility-of-18-f-fluorodeoxyglucose-positron-emission-tomography-in-diagnosis-of-immunoglobulin-g4-related-sclerosing-sialadenitis
#17
Kenichi Takano, Ryoto Yajima, Ryuta Kamekura, Motohisa Yamamoto, Hiroki Takahashi, Naoya Yama, Masamitsu Hatakenaka, Tetsuo Himi
OBJECTIVES/HYPOTHESIS: The aim of this study was to evaluate the utility of (18) F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) for accurately diagnosing immunoglobulin G4-related sclerosing sialadenitis (IgG4-SS). STUDY DESIGN: Retrospective cohort study. METHODS: We reviewed the records of 64 patients with IgG4-SS (35 male and 29 female patients) and 10 patients with clinically suspected IgG4-SS. Pathological diagnoses of patients clinically suspected with IgG4-SS included four cases of malignant lymphoma, one case of multicentric Castleman disease, one case of Sjögren's syndrome, and four cases of sialadenitis...
October 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28985135/whole-body-diffusion-weighted-mr-imaging-of-iron-deposits-in-hodgkin-follicular-and-diffuse-large-b-cell-lymphoma
#18
Anne-Ségolène Cottereau, Sébastien Mulé, Chieh Lin, Karim Belhadj, Alexandre Vignaud, Christiane Copie-Bergman, Alice Boyez, Pierre Zerbib, Vania Tacher, Elodie Scherman, Corinne Haioun, Alain Luciani, Emmanuel Itti, Alain Rahmouni
Purpose To analyze the frequency and distribution of low-signal-intensity regions (LSIRs) in lymphoma lesions and to compare these to fluorodeoxyglucose (FDG) uptake and biologic markers of inflammation. Materials and Methods The authors analyzed 61 untreated patients with a bulky lymphoma (at least one tumor mass ≥7 cm in diameter). When a LSIR within tumor lesions was detected on diffusion-weighted images obtained with a b value of 50 sec/mm(2), a T2-weighted gradient-echo (GRE) sequence was performed and calcifications were searched for with computed tomography (CT)...
October 6, 2017: Radiology
https://www.readbyqxmd.com/read/28976330/uptake-patterns-of-untreated-primary-gastrointestinal-extranodal-lymphomas-on-initial-staging-18-f-fdg-pet-ct-and-metabolic-tumor-parameters
#19
Engin Alagöz, Kürşat Okuyucu, Semra İnce, Murat Kantarcıoğlu, Şükrü Özaydın, Cumhur Heper, Türker Türker, Nuri Arslan
OBJECTIVE: Non-Hodgkin's lymphomas arising from tissues other than primary lymphatic sites are classified as primary extranodal lymphomas (PEL). PELs of the gastrointestinal system (PGISL) originate from the lymphatic tissues within the gastrointestinal tract. The prognostic value of (18)F-FDG PET/CT in lymphomas is high in terms of both overall survival (OS) and disease-free survival (DFS). Our aim was to investigate the uptake patterns and properties of low-grade and high-grade PGISL on primary staging (18)F-FDG PET/CT, as well as the prognostic significance of metabolic tumor parameters in high grade PGISL...
October 3, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28958769/the-value-of-18-f-fdg-pet-ct-in-the-distinction-between-retroperitoneal-fibrosis-and-its-malignant-mimics
#20
Yiwen Wang, Zhiwei Guan, Dai Gao, Gui Luo, Kunpeng Li, Yurong Zhao, Xiuru Wang, Jie Zhang, Jingyu Jin, Zheng Zhao, Chunhua Yang, Jianglin Zhang, Jian Zhu, Feng Huang
OBJECTIVE: To discuss the utility of (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computerized tomography (PET/CT) in the diagnosis of idiopathic retroperitoneal fibrosis (iRPF). METHODS: IRPF patients diagnosed between September 2011 and June 2016 were included. Retroperitoneal malignancy patients were included as control. The morphological features and FDG uptake of retroperitoneal lesions were measured along with lymph node (LN) mapping. RESULTS: Seventy-one iRPF patients were included...
August 3, 2017: Seminars in Arthritis and Rheumatism
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