scholarly journals Targeted PET imaging strategy to differentiate malignant from inflamed lymph nodes in diffuse large B-cell lymphoma

2017 ◽  
Vol 114 (36) ◽  
pp. E7441-E7449 ◽  
Author(s):  
Jun Tang ◽  
Darin Salloum ◽  
Brandon Carney ◽  
Christian Brand ◽  
Susanne Kossatz ◽  
...  

Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoma in adults. DLBCL exhibits highly aggressive and systemic progression into multiple tissues in patients, particularly in lymph nodes. Whole-body 18F-fluodeoxyglucose positron emission tomography ([18F]FDG-PET) imaging has an essential role in diagnosing DLBCL in the clinic; however, [18F]FDG-PET often faces difficulty in differentiating malignant tissues from certain nonmalignant tissues with high glucose uptake. We have developed a PET imaging strategy for DLBCL that targets poly[ADP ribose] polymerase 1 (PARP1), the expression of which has been found to be much higher in DLBCL than in healthy tissues. In a syngeneic DLBCL mouse model, this PARP1-targeted PET imaging approach allowed us to discriminate between malignant and inflamed lymph nodes, whereas [18F]FDG-PET failed to do so. Our PARP1-targeted PET imaging approach may be an attractive addition to the current PET imaging strategy to differentiate inflammation from malignancy in DLBCL.

2021 ◽  
pp. 1-9
Author(s):  
François Allioux ◽  
Damaj Gandhi ◽  
Jean-Pierre Vilque ◽  
Cathy Nganoa ◽  
Anne-Claire Gac ◽  
...  

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Pierre Decazes ◽  
Vincent Camus ◽  
Elodie Bohers ◽  
Pierre-Julien Viailly ◽  
Hervé Tilly ◽  
...  

Abstract Background 18F-FDG PET/CT is a standard for many B cell malignancies, while blood DNA measurements are emerging tools. Our objective was to evaluate the correlations between baseline PET parameters and circulating DNA in diffuse large B cell lymphoma (DLBCL) and classical Hodgkin lymphoma (cHL). Methods Twenty-seven DLBCL and forty-eight cHL were prospectively included. Twelve PET parameters were analysed. Spearman’s correlations were used to compare PET parameters each other and to circulating cell-free DNA ([cfDNA]) and circulating tumour DNA ([ctDNA]). p values were controlled by Benjamini–Hochberg correction. Results Among the PET parameters, three different clusters for tumour burden, fragmentation/massiveness and dispersion parameters were observed. Some PET parameters were significantly correlated with blood DNA parameters, including the total metabolic tumour surface (TMTS) describing the tumour–host interface (e.g. ρ = 0.81 p < 0.001 for [ctDNA] of DLBLC), the tumour median distance between the periphery and the centroid (medPCD) describing the tumour’s massiveness (e.g. ρ = 0.81 p < 0.001 for [ctDNA] of DLBLC) and the volume of the bounding box including tumours (TumBB) describing the disease’s dispersion (e.g. ρ = 0.83 p < 0.001 for [ctDNA] of DLBLC). Conclusions Some PET parameters describing tumour burden, fragmentation/massiveness and dispersion are significantly correlated with circulating DNA parameters of DLBCL and cHL patients. These results could help to understand the pathophysiology of B cell malignancies.


2019 ◽  
Vol 61 (1) ◽  
pp. 40-45 ◽  
Author(s):  
Anne-Ségolène Cottereau ◽  
Christophe Nioche ◽  
Anne-Sophie Dirand ◽  
Jérôme Clerc ◽  
Franck Morschhauser ◽  
...  

1996 ◽  
Vol 82 (6) ◽  
pp. 621-624 ◽  
Author(s):  
Gualtiero Büchi ◽  
Giuseppe Termine ◽  
Renzo Orlassino ◽  
Mauro Pagliarino ◽  
Roberto Boero ◽  
...  

A case of splenic large B-cell lymphoma with hemophagocytic syndrome is reported. The difficulties of diagnosis are emphasized especially when peripheral lymph nodes or bone marrow lymphomatous infiltration are not present. Diagnostic criteria for hemophagocytic syndrome and their relationship with the pathogenesis of the disease are also stressed.


Medicine ◽  
2015 ◽  
Vol 94 (29) ◽  
pp. e1210 ◽  
Author(s):  
Huiting Xu ◽  
Kai Xu ◽  
Ru Wang ◽  
Xiaohua Liu

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