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Incidence, risk factors, and outcomes of second neoplasms in patients with acute promyelocytic leukemia: the PETHEMA-PALG experience. Ann Hematol 2024; 103:451-461. [PMID: 38110588 PMCID: PMC10799093 DOI: 10.1007/s00277-023-05582-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 12/05/2023] [Indexed: 12/20/2023]
Abstract
The most important challenges in acute promyelocytic leukemia (APL) is preventing early death and reducing long-term events, such as second neoplasms (s-NPLs). We performed a retrospective analysis of 2670 unselected APL patients, treated with PETHEMA "chemotherapy based" and "chemotherapy free" protocols. Only de novo APL patients who achieved complete remission (CR) and completed the three consolidation cycles were enrolled into the analysis. Out of 2670 APL patients, there were 118 (4.4%) who developed s-NPLs with the median latency period (between first CR and diagnosis of s-NPL) of 48.0 months (range 2.8-231.1): 43.3 (range: 2.8-113.9) for s-MDS/AML and 61.7 (range: 7.1-231.1) for solid tumour. The 5-year CI of all s-NPLs was of 4.43% and 10 years of 7.92%. Among s-NPLs, there were 58 cases of s-MDS/AML, 3 cases of other hematological neoplasms, 57 solid tumours and 1 non-identified neoplasm. The most frequent solid tumour was colorectal, lung and breast cancer. Overall, the 2-year OS from diagnosis of s-NPLs was 40.6%, with a median OS of 11.1 months. Multivariate analysis identified age of 35 years (hazard ratio = 0.2584; p < 0.0001) as an independent prognostic factor for s-NPLs. There were no significant differences in CI of s-NPLs at 5 years between chemotherapy-based vs chemotherapy-free regimens (hazard ratio = 1.09; p = 0.932). Larger series with longer follow-up are required to confirm the potential impact of ATO+ATRA regimens to reduce the incidence of s-NPLs after front-line therapy for APL.
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Outcomes after intensive chemotherapy for secondary and myeloid-related changes acute myeloid leukemia patients aged 60 to 75 years old: a retrospective analysis from the PETHEMA registry. Haematologica 2024; 109:115-128. [PMID: 37199127 PMCID: PMC10772508 DOI: 10.3324/haematol.2022.282506] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 05/08/2023] [Indexed: 05/19/2023] Open
Abstract
Treatment options for patients with secondary acute myeloid leukemia (sAML) and AML with myeloid-related changes (AMLMRC) aged 60 to 75 years are scarce and unsuitable. A pivotal trial showed that CPX-351 improved complete remission with/without incomplete recovery (CR/CRi) and overall survival (OS) as compared with standard "3+7" regimens. We retrospectively analyze outcomes of 765 patients with sAML and AML-MRC aged 60 to 75 years treated with intensive chemotherapy, reported to the PETHEMA registry before CPX-351 became available. The CR/CRi rate was 48%, median OS was 7.6 months (95% confidence interval [CI]: 6.7-8.5) and event-free survival (EFS) 2.7 months (95% CI: 2-3.3), without differences between intensive chemotherapy regimens and AML type. Multivariate analyses identified age ≥70 years, Eastern Cooperative Oncology Group performance status ≥1 as independent adverse prognostic factors for CR/CRi and OS, while favorable/intermediate cytogenetic risk and NPM1 were favorable prognostic factors. Patients receiving allogeneic stem cell transplant (HSCT), autologous HSCT, and those who completed more consolidation cycles showed improved OS. This large study suggests that classical intensive chemotherapy could lead to similar CR/CRi rates with slightly shorter median OS than CPX-351.
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FOVOCIP study: a multicenter randomized trial of fosfomycin versus ciprofloxacin for febrile neutropenia in hematologic patients-efficacy and microbiologic safety. Trials 2023; 24:694. [PMID: 37891616 PMCID: PMC10612155 DOI: 10.1186/s13063-023-07702-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND Multidrug-resistant Gram-negative bacterial (MRGNB) infections represent a major public health threat. Cancer patients and, among them, hematological patients are most vulnerable to these infections. Gut colonization by MRGNB is a common phenomenon occurring during hospitalization and chemotherapy exposure. In the neutropenic phase that occurs after chemotherapy, MRGNB translocation occurs increasing patient's mortality. Fluoroquinolone prophylaxis with ciprofloxacin or levofloxacin efficacy is now being questioned due to the increase of incidence in MRGNB. METHODS A phase III randomized, controlled, clinical trial, open-label parallel-group with a 1:1 ratio, aimed to demonstrate the non-inferiority of oral fosfomycin versus oral ciprofloxacin for febrile neutropenia prevention in patients with acute leukemia (AL) or hematopoietic cell transplant (HSC) receptors. Weekly surveillance cultures are planned to detect gut colonization. Changes in fecal microbiome at the beginning and end of prophylaxis will also be analyzed. DISCUSSION This trial will provide evidence of the efficacy of an alternative drug to ciprofloxacin for febrile neutropenia prevention in high-risk hematological patients. The battery of planned microbiological studies will allow us to evaluate prospectively the microbiological safety of both pharmacological strategies in terms of the selection of MRGNB occurring in each arm. In addition, valuable information on the way in which each drug changes the fecal microbiome of the patients throughout the treatment will be generated. TRIAL REGISTRATION Clinical trials NCT05311254, Registered on 5 April 2022, https://clinicaltrials.gov/ct2/show/NCT05311254?term=FOVOCIP&cntry=ES&draw=2&rank=1 . PROTOCOL VERSION 3.0, dated 20 May 2022.
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Impact of FLT3-ITD Mutation Status and Its Ratio in a Cohort of 2901 Patients Undergoing Upfront Intensive Chemotherapy: A PETHEMA Registry Study. Cancers (Basel) 2022; 14:cancers14235799. [PMID: 36497281 PMCID: PMC9737662 DOI: 10.3390/cancers14235799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/04/2022] [Accepted: 11/21/2022] [Indexed: 11/26/2022] Open
Abstract
FLT3−ITD results in a poor prognosis in terms of overall survival (OS) and relapse-free survival (RFS) in acute myeloid leukemia (AML). However, the prognostic usefulness of the allelic ratio (AR) to select post-remission therapy remains controversial. Our study focuses on the prognostic impact of FLT3−ITD and its ratio in a series of 2901 adult patients treated intensively in the pre-FLT3 inhibitor era and reported in the PETHEMA registry. A total of 579 of these patients (20%) harbored FLT3−ITD mutations. In multivariate analyses, patients with an FLT3−ITD allele ratio (AR) of >0.5 showed a lower complete remission (CR rate) and OS (HR 1.47, p = 0.009), while AR > 0.8 was associated with poorer RFS (HR 2.1; p < 0.001). Among NPM1/FLT3−ITD-mutated patients, median OS gradually decreased according to FLT3−ITD status and ratio (34.3 months FLT3−ITD-negative, 25.3 months up to 0.25, 14.5 months up to 0.5, and 10 months ≥ 0.5, p < 0.001). Post-remission allogeneic transplant (allo-HSCT) resulted in better OS and RFS as compared to auto-HSCT in NPM1/FLT3−ITD-mutated AML regardless of pre-established AR cutoff (≤0.5 vs. >0.5). Using the maximally selected log-rank statistics, we established an optimal cutoff of FLT3−ITD AR of 0.44 for OS, and 0.8 for RFS. We analyzed the OS and RFS according to FLT3−ITD status in all patients, and we found that the group of FLT3−ITD-positive patients with AR < 0.44 had similar 5-year OS after allo-HSCT or auto-HSCT (52% and 41%, respectively, p = 0.86), but worse RFS after auto-HSCT (p = 0.01). Among patients with FLT3−ITD AR > 0.44, allo-HSCT was superior to auto-HSCT in terms of OS and RFS. This study provides more evidence for a better characterization of patients with AML harboring FLT3−ITD mutations.
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An increased percentage of myeloid CD34+ bone marrow cells stratifies intermediate IPSS-R myelodysplastic syndrome patients into prognostically significant groups. Int J Lab Hematol 2018; 40:549-555. [PMID: 29774987 DOI: 10.1111/ijlh.12860] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 04/11/2018] [Indexed: 12/29/2022]
Abstract
INTRODUCTION The Revised International Prognostic Scoring System (IPSS-R) for myelodysplastic syndromes (MDS) has established an intermediate category where a disease-modifying intervention is a matter of debate. Flow cytometry allows us to determine a fraction of immature myeloid cells in a semiautomated procedure. The aim of this study, mirroring IPSS-R study inclusion criteria, was to test whether bone marrow (BM) CD34+My percentage has independent prognostic value in the MDS setting. METHODS BM CD34+My cells were quantified, at diagnosis, selecting CD34+/CD45+/CD11b±/CD13+. Patients were excluded when receiving treatment for altering the natural course of the disease and when IPSS-R could not be calculated due to the lack of metaphases. Finally, Cox analyses were performed, on a series of 260 patients, for overall survival (OS) and time to acute myeloid leukemia (AML) transformation. RESULTS By analyzing ROC curves, the most accurate prognostic variable, regarding blasts by cytology and CD34+ by cytometry, was the percentage of blasts by microscopy. The percentage of CD34+My in BM showed an AUC of 0.767 and 0.576 for time to AML transformation and OS, respectively. When performing a multivariate regression including the IPSS-R and the percentage of BM CD34+My cells >1%, both factors predicted for a shorter time to AML transformation. In addition, CD34+My percentage successfully stratified the intermediate IPSS-R category into two prognostic groups with a relative risk of 5.73 (95% CI [1.2-27.8]; P = .03). CONCLUSION We found that BM CD34+My percentage has an independent value concerning the IPSS-R, especially relevant for the prediction of transformation to AML and within the intermediate group.
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Leukaemic Transformation in Patients with Haematological Disease Receiving Tumour Necrosis Factor Inhibitors. Clin Drug Investig 2012; 32:423-6. [DOI: 10.2165/11599850-000000000-00000] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Factors that influence long-term hematopoietic function following autologous stem cell transplantation. Bone Marrow Transplant 1999; 24:289-93. [PMID: 10455368 DOI: 10.1038/sj.bmt.1701886] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The aim of the present study was to assess which factors influence hematopoietic function long term after transplantation. For this purpose, we have analyzed a series of 79 patients who underwent autologous transplantation. None of them received any further chemotherapy or radiotherapy after transplant. All patients were disease-free 1 year after autologous transplantation. Late impairment of hematopoietic function was defined as the presence of non-transient peripheral blood cytopenias, detected 6 and 12 months after autografting. Before transplantation, 38.7% of patients showed peripheral blood cytopenias. Six and 12 months after transplantation, cytopenias presented in 44.2% and 42.4% of patients, respectively. Cases displaying cytopenias 6 months after transplantation had received a significantly lower dose of CFU-GM and CD34+ cells than patients without cytopenias (P = 0.012 and P = 0.04, respectively). The same correlation, with even higher statistical significance, was observed 12 months after transplant (P = 0.007 and P = 0.005). Alkylating agents and radiotherapy administered prior to transplantation and age did not seem to influence the presence of permanent cytopenias. The incidence did not vary significantly according to the stem cell source (bone marrow or peripheral blood). The number of CFU-GM and CD34+ cells infused was the most important factor for maintenance of adequate hematopoiesis.
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Hematopoietic damage prior to PBSCT and its influence on hematopoietic recovery. Haematologica 1999; 84:511-6. [PMID: 10366794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
BACKGROUND AND OBJECTIVE Patients with malignancies receive chemotherapy to induce tumor remission which could damage hematopoiesis and adversely influence hematopoietic reconstitution after transplantation. In the present study we used a long-term culture (LTBMC) system and clonogenic assays to evaluate the marrow damage in patients selected to receive peripheral blood stem cell transplantation (PBSCT). DESIGN AND METHODS Thirty-five patients - 20 with breast cancer (BC), 9 with non-Hodgkin's lymphoma (NHL) and 6 with Hodgkin's disease (HD) - were included. Bone marrow aspiration was performed one day prior to the initiation of the conditioning therapy. CFU-GM were cultured in methylcellulose with PHA-LCM. Delta assays of plastic adherent progenitor cells (PD) were performed according to Gordon's method. LTBMC were established for 5 weeks. RESULTS There were fewer CFU-GM from all patient groups than from normal BM (p<0.05). In contrast, the number of immature progenitor cells (PD) was not decreased. The total number of CFU-GM produced by LTBMC patients was significantly reduced (p<0.05). The adherent layer from patients was often qualitatively different. In order to know whether the hematopoietic damage could affect hematopoietic reconstitution, we correlated culture data with time taken to reach peripheral cell counts. A negative correlation (r= - 0.71) was found between percentage of stromal layer and time taken to reach 20x10(9) platelets/L (tplat= 20x3-0.08% stromal layer). INTERPRETATION AND CONCLUSIONS We can conclude that prior to PBSCT, hematopoietic function is impaired at both the level of committed progenitor cells and that of BM stroma. This damage could influence platelet recovery.
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Diagnosis of secondary myelodysplastic syndromes (MDS) following autologous transplantation should not be based only on morphological criteria used for diagnosis of de novo MDS. Bone Marrow Transplant 1999; 23:997-1002. [PMID: 10373064 DOI: 10.1038/sj.bmt.1701757] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Secondary myelodysplastic syndromes (MDS) are increasingly being reported after autologous transplantation. Transient dysplastic changes have also been observed after this type of treatment. However, to the best of our knowledge no systematic morphological analysis has been performed to determine the influence of stem cell transplantation on bone marrow morphology. In 53 patients undergoing autologous transplantation, we evaluated the bone marrow, before and 6 and 12 months after the transplant, in order to analyze the appearance of dyshemopoietic changes, assessed according to a pre-established score. We also studied 25 bone marrow samples obtained at the time of diagnosis, prior to treatment, but we did not find morphological atypia. Six months after transplant, cellularity and thrombopoiesis had decreased in 38% and 49% of patients respectively, although 1 year after the process they were normal in most cases. Myelodysplasia was already present in bone marrow before transplantation and continued to be in evidence for a long time afterwards. This suggests that chemotherapy and radiotherapy used prior to transplantation are responsible for dysplastic changes. The myeloid line was the most affected with 100% of patients showing dysgranulopoiesis 1 year after autografting. Cytopenias were observed in 51% and 44% of patients 6 and 12 months after transplantation. Moreover, concomitant presence of cytopenia and myelodysplasia was observed in 37.7% of patients at 6 months after transplantation and 25% at 12 months, and therefore they could be diagnosed with MDS. These data contrast with the incidence of secondary MDS reported in earlier publications. According to these findings, the value of the French-American-British Co-operative Group criteria for the diagnosis of MDS following autologous transplantation is questionable. Moreover, since dyshemopoietic features are almost always present after autologous transplant, morphological criteria are not useful for early recognition of patients with secondary MDS after transplantation.
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Minimal number of circulating CD34+ cells to ensure successful leukapheresis and engraftment in autologous peripheral blood progenitor cell transplantation. Transfusion 1998; 38:385-91. [PMID: 9595022 DOI: 10.1046/j.1537-2995.1998.38498257378.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND The number of peripheral blood (PB) CD34+ cells has been widely used to monitor the timing of leukapheresis for autologous transplantation. However, no cutoff value for CD34+ cells in PB has been defined as a guideline for the identification of patients in whom the harvest would be effective and those in whom there was a high probability of failure. STUDY DESIGN AND METHODS The present study investigated the best threshold of CD34+ cells in PB for successful harvesting and engraftment, using 263 PB samples with their corresponding leukapheresis components. In addition, that measure has been compared to other commonly used criteria such as the white cell count, the number of mononuclear cells, and the number of colony-forming units-granulocyte macrophage in PB. RESULTS Time to engraftment of both granulocytes and platelets was significantly influenced by the number of CD34+ cells transfused, but all patients receiving > or = 0.75 x 10(6) CD34+ cells per kg achieved engraftment within a reasonable number of days (> 0.5 x 10(9)/L granulocytes by Day 11 and > 20 x 10(9)/L platelets by Day 13). A clear correlation between the number of CD34+ cells per microL in PB and of CD34+ cells per kg collected was found at each apheresis (r = 0.9, p < 0.0001). Moreover, the number of CD34+ cells per microL measured in PB the day the first leukapheresis was initiated displayed an excellent correlation with the total amount of CD34+ cells per kg finally collected (r = 0.81, p < 0.0001). On the basis of the regression curve obtained and the clinical engraftment results, it was found that the presence of > 5 CD34+ cells per microL in PB ensured a good yield from the harvest in 95 percent of patients and would avoid an unsuccessful harvest in 81 percent of cases. CONCLUSION A dose of only 0.75 x 10(6) CD34+ cells per kg guarantees hematopoietic recovery within a reasonable number of days. To initiate a leukapheresis from which enough progenitor cells may confidently be obtained, a minimum of 5 CD34+ cells per microL in PB is required.
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Immune thrombocytopenic purpura secondary to endometriosis. Haematologica 1997; 82:602-3. [PMID: 9407732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
In this paper, we describe a patient with immune thrombocytopenic purpura (ITP) secondary to endometriosis. To our knowledge, this is the first reported case presenting such an association. Surgical eradication of the endometriosis was the only effective treatment for the thrombocytopenia. The pathogenic connection between both disorders seems to be an altered immune function.
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Abstract
Mini-BEAM and ESHAP are two non-cross-resistant salvage regimens that have been used separately in patients with lymphoma. The aim of the present study was to investigate the efficacy of the combination of these two regimens, administered in alternating cycles, as salvage therapy for refractory non-Hodgkin's lymphoma (NHL) patients. A total of 28 patients were included in the study: 14 patients were primary refractory, seven were partial responders, and seven were in relapse. The alternating cycles of mini-BEAM and ESHAP were given until there was maximum response or progression. The overall response rate to mini-BEAM/ESHAP was 39%; 25% of patients achieved a complete response and 14% a partial response. Nevertheless, it should be noted that none of the primary refractory patients responded to this protocol. Nine of the 11 patients who responded to mini-BEAM/ESHAP were consolidated with autologous transplantation using BEAM as a conditioning regimen. The survival at 3 years in this group of 11 patients who responded to the salvage regimen is 64%, with a disease-free survival of 67% at 2 years. No major toxic effects were observed with mini-BEAM/ESHAP. Myelosuppression was the most frequent complication, especially with the mini-BEAM cycles. Other toxicities were infrequent and no treatment-related deaths were observed. These results suggest that alternating mini-BEAM/ESHAP chemotherapy is a safe regimen that is effective in partial responders or relapsing patients with NHL who have sensitive disease, but not in primary refractory patients. Moreover, although this therapy has a potential advantage, combining as it does two non-cross-resistant regimens, it does not seem superior to ESHAP alone.
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Multiparametric cell-cycle analysis of peripheral blood-activated lymphocyte subsets using staining based on the TdT method for incorporated BrdUrd. CYTOMETRY 1996; 25:317-23. [PMID: 8946138 DOI: 10.1002/(sici)1097-0320(19961201)25:4<317::aid-cyto2>3.0.co;2-a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
This study describes a new method for the simultaneous assessment of the distribution of a cell population in the G0/G1, S, and G2/M cell-cycle phases by using multiparameter flow cytometry and single staining based on BrdUrd incorporation. Both the K562 cell line and PHA-stimulated peripheral blood lymphocytes (PBL) were analyzed. Cells were cultured in the presence of BrdUrd for 30 min prior to cell harvesting. Once collected, cells were exposed to ultraviolet light for 5 min and then fixed immediately in 70% ethanol (-20 degrees C) for at least 30 min. Once fixed, the cells were placed for 30 min at 37 degrees C in the presence of terminal deoxynucleotidyl transferase (TdT) and dUTP labeled with digoxigenin; they were then stained with FITC-labeled anti-digoxigenin. Our results show that G0/G1, s, and G2/M cell populations can be clearly discriminated according to FITC fluorescence and light-scatter parameters. In this way, S-phase cells can be identified by their FITC staining. From the cells which were negative for anti-digoxigenin-FITC antibody, two clear populations could be resolved in a forward scatter, side scatter, and fluorescence pulse-width three-dimensional plot; the values obtained for G0/G1 cells were lower than those obtained for G2/M cells in all three parameters. Multiparameter analysis of PBL stained for two surface antigens (CD3 and CD8) and for BrdUrd by direct or indirect TdT method permitted cell-cycle analysis of different subpopulations, including CD3+/CD8+, CD3+/CD8-, CD3-/CD8+, and CD3-/CD8-.
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[Spinal cord compression as the presenting form of non-Hodgkin's lymphoma]. SANGRE 1995; 40:505-7. [PMID: 8850235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Spinal cord compression as first presentation of non-Hodgkin's lymphoma (NHL) is an uncommon event. Diagnosis of NHL usually is performed on a laminectomy specimen. Spinal cord compression has been reported in 5% of patients with solid tumors. Although this clinical picture has been considered as very unusual among NHL patients, some series regarding descompresive laminectomy indicate that NHL was the underlying cause in 15% of these cases. We report two cases of patients with NHL who presented paraparesia secondary to spinal cord compression due to lymphomatous mass in the epidural region which was showed by magnetic resonance imaging. The emergency laminectomy and treatment with chemotherapy allowed the clinical recuperation of both patients.
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MESH Headings
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Combined Modality Therapy
- Cyclophosphamide/administration & dosage
- Doxorubicin/administration & dosage
- Epidural Space
- Etoposide/administration & dosage
- Female
- Humans
- Laminectomy
- Leucovorin/administration & dosage
- Leukemia, Lymphocytic, Chronic, B-Cell/complications
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/surgery
- Lymphoma, Large B-Cell, Diffuse/complications
- Lymphoma, Large B-Cell, Diffuse/diagnosis
- Lymphoma, Large B-Cell, Diffuse/drug therapy
- Lymphoma, Large B-Cell, Diffuse/surgery
- Mechlorethamine/administration & dosage
- Methotrexate/administration & dosage
- Middle Aged
- Paresis/etiology
- Paresthesia/etiology
- Prednisone/administration & dosage
- Procarbazine/administration & dosage
- Soft Tissue Neoplasms/complications
- Soft Tissue Neoplasms/diagnosis
- Soft Tissue Neoplasms/drug therapy
- Soft Tissue Neoplasms/surgery
- Spinal Cord Compression/etiology
- Spinal Cord Compression/surgery
- Spinal Neoplasms/complications
- Spinal Neoplasms/diagnosis
- Spinal Neoplasms/drug therapy
- Spinal Neoplasms/surgery
- Thoracic Neoplasms/complications
- Thoracic Neoplasms/diagnosis
- Thoracic Neoplasms/drug therapy
- Thoracic Neoplasms/surgery
- Thoracic Vertebrae
- Urinary Retention/etiology
- Vincristine/administration & dosage
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