Majority of Transformed Lymphomas Have High SUVs on PET Scanning Similar To Diffuse Large B Cell Lymphoma (DLBCL).

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 2402-2402
Author(s):  
Matthew Weissler ◽  
Ariela Noy ◽  
Heiko Schöder ◽  
Mithat Gönen ◽  
Henry Yeung

Abstract Background: In our previous work, we correlated non-Hodgkin’s (NHL) histology with intensity of FDG uptake (SUVmax) on positron emission tomography in untreated patients: an SUVmax greater than 10 predicted an aggressive lymphoma with >80% certainty and an SUVmax greater than 13 predicted an aggressive lymphoma with >90% certainty. We sought to evaluate SUVmax in a series of patients with transformed lymphoma. Methods: All PET scans for lymphoma indications at our institution 1999–2005 were evaluated. Patients were included if they had biopsy proven transformation. FDG-PET scans were included if they were no more than sixty days prior to or 90 days after biopsy proven transformation. Patients had no therapy for sixty days prior to PET scan unless there was documented progression of disease after the last treatment. Results: Among the indolent diagnoses (n= 28), the following specific histologies were identified: 7 follicular lymphoma grade I (FL I), 5 follicular lymphoma grade II (FL II), 5 small lymphocytic lymphoma/chronic lymphocytic leukemia (SLL/CLL), 6 marginal zone lymphoma (MZL) including one of mucosa associated lymphoid tumor (MALT) type, one mycoses fungoides, and one indolent lymphoma otherwise not specified. Three follicular lymphomas grade III (FL III), including one specified as grade IIIa (FL IIIa) were considered indolent if they preceded a diagnosis of DLBCL. Among the aggressive diagnoses (n= 28), the following specific histologies were identified: 22 DLBCL, one follicular lymphoma grade IIIa included as it was preceded by FLI, one large peripheral T-cell lymphoma, and 4 “Large cell lymphoma” (LCL), not otherwise characterized on account of biopsy size. Standard uptake values (SUV) were measured at the biopsy site when possible (n=25). In 3 patients the biopsy site was completely excised before the PET scan. The SUV of biopsy site ranged from 2.9–26.7, with a median of 9 and mean of 11. Excluding the three patients who had an excisional biopsy, 10/25 (40%) biopsies had an SUV above 10; and 8/25 (32%), above 13. The SUVmax for a transformed aggressive lymphoma ranged from 3.2–30.2, with a median of 10.8 and mean of 14. 16/28 (57%) patients had an SUVmax above 10; and 12/28 (43%), above 13. Conclusions: Similar to patients with de-novo aggressive lymphoma, the majority of patients with transformed lymphomas have high SUVmax for a given pre-treatment staging study. Therefore, transformation to aggressive lymphoma should be suspected in patients with indolent lymphoma found to have high SUVs on FDG PET, and biopsies should be directed to the site of greatest PET avidity whenever feasible.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 2614-2614
Author(s):  
Ariela Noy ◽  
Matthew Weissler ◽  
Heiko Schoder ◽  
Mithat Gonen ◽  
Henry Yeung

Abstract Background: In our previous work, we correlated non-Hodgkins (NHL) histology with intensity of FDG uptake (SUVmax) on positron emission tomography in untreated patients: an SUVmax greater than 10 predicted an aggressive lymphoma with >80% certainty and an SUVmax greater than 13 predicted an aggressive lymphoma with >90% certainty. We sought to evaluate SUVmax in a series of patients with transformed lymphoma. Methods: All PET scans for lymphoma indications at our institution 1999-5/2007 were evaluated. Patients were included if they had biopsy proven transformation. FDG-PET scans were included if they were no more than sixty days prior to or 90 days after biopsy proven transformation. Patients had no therapy for sixty days prior to PET scan unless there was documented progression of disease after the last treatment. Results: Among the indolent diagnoses (n= 44), the following specific histologies were identified: 9 follicular lymphoma grade 1 (FL I), 9 FL grade 2 (FL 2), 7 small lymphocytic lymphoma / chronic lymphocytic leukemia (SLL/CLL), 11 marginal zone lymphoma (MZL) including one of mucosa associated lymphoid tumor (MALT) type, one mycoses fungoides, and one indolent lymphoma otherwise not specified. 5 FL 3 (FL 3), including one specified as grade 3a (FL 3a) were considered indolent if they preceded a diagnosis of DLBCL. Among the aggressive diagnoses (n= 28), the following specific histologies were identified: 37 DLBCL, one follicular lymphoma grade IIIa included as it was preceded by FLI, one large peripheral T-cell lymphoma, and 5 Large cell lymphoma(LCL), not otherwise characterized on account of biopsy size. Standard uptake values (SUV) were measured at the biopsy site when possible (n=38). In 6 patients the biopsy site was completely excised before the PET scan. The SUV of biopsy site ranged from 3-38, with a median of 10 and mean of 15. Among evaluable patients, 17/36 (47%) biopsies had an SUV above 10; and 12/36 (33%), above 13. The SUVmax for a transformed aggressive lymphoma ranged from 3.2–40, with a median of 12 and mean of 15. 27/44 (61%) patients had an SUVmax above 10; and 21/44 (48%), above 13. Conclusions: Similar to patients with de-novo aggressive lymphoma, the majority of patients with transformed lymphomas have high SUVmax for a given pre-treatment staging study. Therefore, transformation to aggressive lymphoma should be suspected in patients with indolent lymphoma found to have high SUVs on FDG PET, and biopsies should be directed to the site of greatest PET avidity whenever feasible.


Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 137-137 ◽  
Author(s):  
Ivana N. Micallef ◽  
Matthew J. Maurer ◽  
Thomas E. Witzig ◽  
Daniel Nikcevich ◽  
Paul Kurtin ◽  
...  

Abstract Abstract 137 Background: FDG-PET/CT after 2–4 cycles of chemotherapy has been shown to be predictive of outcome in patients with aggressive lymphoma. This multicenter NCCTG phase II study was carried out to assess efficacy of ER-CHOP in newly diagnosed DLBCL; functional response as measured by FDG-PET/CT was done after 2 cycles and after 6 cycles of therapy. Methods: Patients received immunochemotherapy on the following schedule: epratuzumab 360 mg/m2, rituximab 375 mg/m2, and standard dose CHOP every 3 weeks for 6 cycles. FDG-PET/CT was done after 2 cycles and again after 6 cycles of therapy. All PET scans were centrally reviewed by an expert in nuclear medicine who was blinded to the outcome of the patients. Results: 107 patients were accrued from Feb 2006 to Aug 2007. 27 patients were ineligible resulting in 80 eligible patients. Baseline patient characteristics for the eligible patients included median age 60 (range 21–82); 56% were male. 80% had advanced stage; 73% had an elevated LDH. Performance score was 0–1 in 71 pts and 2–3 in 9 pts. IPI was 0–1 in 18 pts (23%), 2 in 22 pts (28%), 3 in 29 pts (36%) and 4–5 in 11 pts (14%). PET scans were available on 76 patients (95%); 3 patients completed treatment but scans were unavailable and 1 died prior to cycle 2 PET. The PET CR rate after 2 cycles was 79%. The PET CR rate after 6 cycles was 90%. Using an intent to treat (ITT) analysis, 67 patients (87%) achieved PET CR of which 61 (79%) also completed all 6 cycles of treatment. Based on interim PET after 2 cycles, the EFS at 24 months (EFS24) was 73% for the PET negative patients vs 60% for the PET positive patients (p=0.25); OS at 24 months (OS24) was 83% vs 73% for the PET negative and positive pts, respectively (p=0.17). In comparison, EFS24 for patients with a negative PET after 6 cycles was 80% vs 57% for those with a positive PET (p=0.11); OS24 was 92% vs 57%, respectively (p=0.01). In intent to treat (ITT) analysis, patients that achieved a functional CR had improved overall survival (OS24 = 84%) and event free survival (EFS24 = 74%) compared to patients that failed to achieve a functional CR (OS24 = 50%, EFS24 = 40%, p=0.01 and p=0.006 respectively). Conclusions: ER-CHOP every 21 days × 6 cycles results in a functional CR rate of 87%. Early PET scan during therapy does not significantly predict outcome. Achievement of PET negativity by completion of therapy is associated with a good outcome Disclosures: No relevant conflicts of interest to declare.


2010 ◽  
Vol 28 (11) ◽  
pp. 1896-1903 ◽  
Author(s):  
Craig H. Moskowitz ◽  
Heiko Schöder ◽  
Julie Teruya-Feldstein ◽  
Camelia Sima ◽  
Alexia Iasonos ◽  
...  

Purpose In studies of diffuse large B-cell lymphoma, positron emission tomography with [18F]fluorodeoxyglucose (FDG-PET) performed after two to four cycles of chemotherapy has demonstrated prognostic significance. However, some patients treated with immunochemotherapy experience a favorable long-term outcome despite a positive interim FDG-PET scan. To clarify the significance of interim FDG-PET scans, we prospectively studied interim FDG-positive disease within a risk-adapted sequential immunochemotherapy program. Patients and Methods From March 2002 to November 2006, 98 patients at Memorial Sloan-Kettering Cancer Center received induction therapy with four cycles of accelerated R-CHOP (rituximab + cyclophosphamide, doxorubicin, vincristine, and prednisone) followed by an interim FDG-PET scan. If the FDG-PET scan was negative, patients received three cycles of ICE (ifosfamide, carboplatin, and etoposide) consolidation therapy. If residual FDG-positive disease was seen, patients underwent biopsy; if the biopsy was negative, they also received three cycles of ICE. Patients with a positive biopsy received ICE followed by autologous stem-cell transplantation. Results At a median follow-up of 44 months, overall and progression-free survival were 90% and 79%, respectively. Ninety-seven patients underwent interim FDG-PET scans; 59 had a negative scan, 51 of whom are progression free. Thirty-eight patients with FDG-PET–positive disease underwent repeat biopsy; 33 were negative, and 26 remain progression free after ICE consolidation therapy. Progression-free survival of interim FDG-PET–positive/biopsy-negative patients was identical to that in patients with a negative interim FDG-PET scan (P = .27). Conclusion Interim or post-treatment FDG-PET evaluation did not predict outcome with this dose-dense, sequential immunochemotherapy program. Outside of a clinical trial, we recommend biopsy confirmation of an abnormal interim FDG-PET scan before changing therapy.


Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 1629-1629 ◽  
Author(s):  
Mohamed Amin Ahmed ◽  
Nathan Fowler ◽  
Long Ma ◽  
Mansoor Noorani ◽  
Karishma Phansalkar ◽  
...  

Abstract Introduction: High standardized uptake value (SUV) on FDG PET scan in follicular lymphoma (FL) suggests aggressive disease and possible transformation to diffuse large B-cell lymphoma. Schoder et al, J Clin Oncol, 2005, reported that SUV >10 predicted aggressive lymphoma with >80% certainty and SUV >13 with >90% certainty. However, it is unknown whether the maximum SUV (SUVmax) on FDG PET scan at baseline, suggesting the possibility of focal aggressive or transformed disease, has prognostic value in FL. Here, we determined the prognostic value of SUVmax on baseline FDG PET scan in patients with advanced stage FL treated uniformly with R-CHOP chemoimmunotherapy at initial diagnosis. Methods: We reviewed medical records of all patients with stage III or IV FL who had FDG PET scan at initial diagnosis and were treated with R-CHOP chemoimmunotherapy at MD Anderson Cancer Center between January 2001 and December 2012. Patients with histological diagnosis of concurrent diffuse large B-cell lymphoma were excluded. Results: For the 225 patients studied, the median age was 57 years (range, 20-82). 83 (37%) patients were >= age 60, 137 (61%) had grade 1 or 2 FL, and 88 (39%) had grade 3A (n=57, 25%) or 3B (n=31, 14%). The Ki-67 score was <=40% for 85 (60%) patients and >40% for 56 (40%) patients. FLIPI risk groups were 54 patients (24%) low, 74 (33%) intermediate, and 97 (43%) high. GELF criteria were met in 133 (59%) patients. Tumor bulk of >= 6 cm was seen in 97 (43%) patients. The absolute lymphocyte count (ALC) was normal or high in 155 (69%) patients and low in 70 (31%). Sixty-nine (31%) patients received rituximab maintenance. There was no correlation between baseline SUVmax on FDG PET scan and Ki-67 score (Pearson correlation co-efficient of 0.168). The overall and complete response rates were 96% and 87%, respectively. The median follow-up time was 66 months. At 5 years, progression-free survival (PFS) was 85% and overall survival (OS) was 90%. Male gender, stage IV, high risk FLIPI, presence of GELF criteria, high beta-2 microglobulin, and low ALC were associated with significantly inferior PFS and OS (p<0.05). Histological grade was not associated with PFS or OS. Age >= 60 was associated with inferior OS but not PFS. Rituximab maintenance was associated with improved PFS but not OS. On baseline FDG PET scan, median SUVmax was 13.7 and the SUVmax range was 1.5-42.1. 105 (47%) patients had SUVmax <=13 and 120 (53%) had SUVmax >13. Patient characteristics including age, gender, histological grade, Ki-67 score, and FLIPI risk groups were not significantly different between the two SUVmax populations (p>0.05). The overall response rates were 94% and 96% for the SUVmax <=13 and SUVmax >13 groups, respectively. The complete response rate was 87% in both groups. At 5 years, the PFS and OS were not significantly different between the low and high SUVmax groups (61% vs 63% for PFS, p=0.98 and 90% vs 89% for OS, p=0.63). PFS and OS were not significantly different even when the patients were grouped into SUVmax <=10 vs >10 (p=0.9 and 0.61, respectively) or when other cut-offs were used. SUVmax was also not predictive of PFS and OS when only the patients meeting GELF criteria were analyzed. Conclusions: In this large cohort of advanced stage FL patients treated uniformly with R-CHOP chemoimmunotherapy, SUVmax on baseline FDG PET scan was not predictive of clinical outcome or correlated with other features. It is possible that the doxorubicin-based chemotherapy regimen may have benefited patients with high SUVmax who may have underlying aggressive or undiagnosed transformed disease. It remains to be determined whether SUVmax is predictive of clinical outcome in FL patients treated with other commonly used therapies such as rituximab monotherapy, rituximab and bendamustine, or R-CVP. Figure 1 Figure 1. Disclosures Wang: Pharmacyclics, Janssen: Honoraria, Research Funding. Westin:Novartis: Research Funding.


2019 ◽  
Vol 37 (15_suppl) ◽  
pp. e18198-e18198
Author(s):  
Mark Price ◽  
Arliene Ravelo ◽  
Maria Sae-Hau ◽  
Peggy Ann Torney ◽  
Victor Gonzalez ◽  
...  

e18198 Background: Evaluations of patients’ (pt) burden and priorities are increasingly important as novel treatments are developed. We aimed to better understand pt-reported disease burden in chronic lymphocytic leukemia (CLL), diffuse large B-cell lymphoma (DLBCL), and follicular lymphoma (FL). Methods: We developed a survey to understand pt disease burden, designed in consultation with medical experts, pt advocacy organizations, and survey scientists. Concept elicitation and cognitive pretesting were conducted. The survey was administered electronically to pts who had received either initial or subsequent treatment within the past year and consisted of categorical Likert options that quantified the impact of disease on physical function, sleep, cognition, work, emotional health, and quality of life (QoL). Results: The Leukemia & Lymphoma Society and the Lymphoma Research Foundation recruited 424 pts: 309 with CLL, 59 with DLBCL, and 69 with FL; 51% were female. Mean age was 66 (range: 22–95). Results suggest that pts experience substantial disease burden across all surveyed subtypes. The most noteworthy results are highlighted in the following table that indicates the percentage of pts who agreed or strongly agreed to statements about disease burden. Additionally, large proportions of pts worried about their disease returning or getting worse (72% of pts with CLL, 83% of pts with DLBCL, and 79% of pts with FL), indicating high impact regardless of the indolent or aggressive nature of their disease. Most pts indicated that delaying disease progression was important to them (96% of pts with CLL, 96% of pts with DLBCL, and 92% of pts with FL). Employment status changed for 31% of pts who were working full or part time or on contract because of their diagnosis and treatment. Conclusions: Pts with CLL, DLBCL, and FL report experiencing substantial disease burden. Data from studies focusing on pt-reported disease burden can be used for education of the clinical community to address the key concerns of pts.[Table: see text]


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