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Manabe M, Nagano Y, Okuno T, Inoue T, Koh KR. Methotrexate‑associated B‑cell lymphoproliferative disease that exhibits hematuria due to urinary bladder lesions: A case report. MEDICINE INTERNATIONAL 2024; 4:44. [PMID: 38912416 PMCID: PMC11190731 DOI: 10.3892/mi.2024.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 06/03/2024] [Indexed: 06/25/2024]
Abstract
Methotrexate (MTX)-related lymphoproliferative disease (LPD) is one of the most prominent late complications associated with MTX treatment. Although MTX-related LPD exhibits a relatively high incidence of extranodal disease, the incidence of disease in a urinary bladder is very low. The present study reports the case of a patient with MTX-related LPD involving a urinary bladder mass. A 75-year-old female patient, who had been receiving MTX for ~15 years, was referred to the hospital due to fever and hematuria. A computed tomography scan revealed the thickening of the urinary bladder wall, hydronephrosis and lymph node swelling. The histopathological findings of the urinary bladder mass resulted in a diagnosis of MTX-related LPD. Although MTX withdrawal did not have any effect, the subsequent chemotherapy resulted in complete remission. Although MTX-related LPD in the bladder is rare, it is pertinent to consider MTX-related LPD when hematuria is observed during MTX therapy.
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Affiliation(s)
- Masahiro Manabe
- Department of Hematology, Osaka General Hospital of West Japan Railway Company, Osaka 545-0053, Japan
| | - Yuki Nagano
- Department of Urology, Minamiosaka Hospital, Osaka 559-0012, Japan
| | - Takahiro Okuno
- Department of Pathology, Minamiosaka Hospital, Osaka 559-0012, Japan
| | - Takeshi Inoue
- Department of Pathology, Osaka City General Hospital, Osaka 534-0021, Japan
| | - Ki-Ryang Koh
- Department of Hematology, Osaka General Hospital of West Japan Railway Company, Osaka 545-0053, Japan
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Cigliola A, Prakash G, Li R, Oualla K, Gupta S, Kamat AM, Chahoud J, Necchi A, Spiess PE. Current Status and Challenges in Rare Genitourinary Cancer Research and Future Directions. Curr Oncol Rep 2024:10.1007/s11912-024-01554-1. [PMID: 38847974 DOI: 10.1007/s11912-024-01554-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2024] [Indexed: 08/25/2024]
Abstract
PURPOSE OF REVIEW In contemporary urological practice, managing rare genitourinary (GU) malignancies presents significant challenges, necessitating a comprehensive understanding of their unique characteristics and tailored treatment approaches. RECENT FINDINGS Rare GU malignancies, whether per se, variants of common histologies, or common tumors in uncommon locations, often lack widely available clinical guidelines. Consequently, treatment decisions are frequently based on empirical evidence, risking suboptimal outcomes. However, recent advances in molecular profiling, targeted therapies, and immunotherapy offer promising avenues for improving management strategies and patient outcomes. This review provides a comprehensive overview of some rare GU malignancies encountered in clinical practice, including their distinct pathological features, current management approaches, and ongoing research directions. Understanding the complexities of these rare tumors and implementing multidisciplinary treatment strategies are essential for optimizing patient care and improving survival outcomes.
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Affiliation(s)
- Antonio Cigliola
- Department of Medical Oncology, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132, Milan, Italy.
| | - Gagan Prakash
- Department of Uro-Oncology, Tata Memorial Hospital, Mumbai, India
| | - Roger Li
- Department of GU Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Karima Oualla
- Department of Medical Oncology, Centre Hospitalier Universitaire Hassan II, Fes, Morocco
| | - Shilpa Gupta
- Department of Hematology and Medical Oncology, Cleveland Clinic Main Campus, Cleveland, OH, USA
| | - Ashish M Kamat
- Department of Urology Under Division of Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jad Chahoud
- Department of Uro-Oncology, Tata Memorial Hospital, Mumbai, India
| | - Andrea Necchi
- Department of Medical Oncology, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
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Zheng H, Du H, Liu J. Primary Bladder Non-Hodgkin Lymphoma: A Case Report. Cureus 2024; 16:e52688. [PMID: 38384624 PMCID: PMC10879654 DOI: 10.7759/cureus.52688] [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] [Accepted: 01/21/2024] [Indexed: 02/23/2024] Open
Abstract
Primary bladder lymphoma, a rare form of non-Hodgkin's lymphoma, is diagnosed through histopathology and immunostaining. Most bladder lymphomas are of the B-cell type, with a higher incidence in women and often presenting with hematuria. This report details an exceptionally rare case of primary bladder T-cell lymphoma. A 50-year-old male, without hematuria or other symptoms, was diagnosed during a routine ultrasound. A computed tomography scan showed a tumor located in the anterior, right, and posterior walls. The patient underwent transurethral resection of the bladder lesion. Pathological examination of the tumor showed that it was composed of lymphoid tissue, in accordance with peripheral T-cell lymphoma of non-Hodgkin subtype.
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Affiliation(s)
- Haobo Zheng
- Urology, Hebei General Hospital, Shijiazhuang City, CHN
| | - Hao Du
- Urology, Hebei General Hospital, Shijiazhuang City, CHN
| | - Junjiang Liu
- Urology, Hebei General Hospital, Shijiazhuang City, CHN
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Zhang Z, Zhang W, He Y, Liu J, Luo M, Guo C, Peng B, Li W, Yao X. Primary malignant lymphoma of the ureter: a case report. Int Urol Nephrol 2023:10.1007/s11255-023-03639-5. [PMID: 37193941 DOI: 10.1007/s11255-023-03639-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 05/08/2023] [Indexed: 05/18/2023]
Affiliation(s)
- Zhijin Zhang
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Wentao Zhang
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Yanyan He
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Ji Liu
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Ming Luo
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Changcheng Guo
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Bo Peng
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China
| | - Wei Li
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China.
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China.
| | - Xudong Yao
- Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China.
- Urologic Cancer Institute, School of Medicine, Tongji University, Shanghai, 200331, China.
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Khdhir M, El Annan T, El Amine MA, Shareef M. Complications of lymphoma in the abdomen and pelvis: clinical and imaging review. Abdom Radiol (NY) 2022; 47:2937-2955. [PMID: 35690955 PMCID: PMC10509750 DOI: 10.1007/s00261-022-03567-5] [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: 03/28/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 01/18/2023]
Abstract
Involvement of the abdomen and pelvis is common in lymphoma. Nodal and extranodal abdominal and pelvic lymphoma may present with various complications. Complications are most common in high-grade lymphomas, especially diffuse large B-cell lymphoma. Complications may occur as the initial manifestation of lymphoma, during treatment course, or late following complete disease remission. Most complications are associated with worse prognosis and increased mortality. Imaging is essential in evaluation of disease extent and diagnosis of complications. Therefore, radiologists should be familiar with the clinical context and imaging features of abdominal and pelvic lymphoma complications. We provide a comprehensive, organ system-based approach, and clinical and imaging review of complications of abdominal and pelvic lymphoma along with radiologic images of illustrated cases of the most commonly encountered complications.
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Affiliation(s)
- Mihran Khdhir
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Riad El-Solh, PO Box 11-0236, Beirut, 1107 2020, Lebanon.
| | - Tamara El Annan
- Department of Diagnostic Radiology, American University of Beirut Medical Center, Riad El-Solh, PO Box 11-0236, Beirut, 1107 2020, Lebanon
| | | | - Muhammed Shareef
- Department of Radiology and Biomedical Imaging, Yale New Haven Hospital, New Haven, CT, USA
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Liu ZH, Yang LC, Song P, Fang K, Zhou J, Peng ZF, Dong Q. Primary Diffuse Large B-Cell Lymphoma of the Urinary Tract: A Population-Based Analysis. Front Oncol 2021; 11:609882. [PMID: 34336635 PMCID: PMC8316648 DOI: 10.3389/fonc.2021.609882] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 05/04/2021] [Indexed: 02/05/2023] Open
Abstract
Objective Diffuse large B-cell lymphoma (DLBCL) is the most common histopathological type of non-Hodgkin’s lymphoma, which may arise from various extranodal sites. Little is known about the clinical characteristics and survival outcomes of primary DLBCL of the urinary tract (UT). Thus, we conducted this study to explore the independent prognostic factors of patients with UT-DLBCL using the Surveillance, Epidemiology, and End Results (SEER) database. Materials and Methods We searched the Surveillance, Epidemiology, and End Results (SEER) database for the data of patients diagnosed with UT-DLBCL between 1975 and 2016. Data, including demographic tumour stage and therapeutic strategies, such as surgical resection, radiation therapy, and chemotherapy, were collected. The impact of these factors on survival outcomes, including overall survival (OS) and disease-specific survival (DSS), was analysed using Kaplan–Meier curves. Results Four-hundred and eighty-nine patients who met the inclusion criteria were enrolled in the data analysis. The median age was 69 years old. Most cases of UT-DLBCL (72.39%) originated from the kidney, followed by the urinary bladder (24.95%). Both surgical resection and chemotherapy can significantly improve OS and DSS. Patients older than 75 years had the worst survival outcomes. Stage IV DLBCL may be a poor prognostic factor. Conclusion To the best of our knowledge, this is the largest population-based study of UT-DLBCL. Advanced age, male gender, lack of surgical resection or chemotherapy, and stage IV DLBCL were poor prognostic factors.
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Affiliation(s)
- Zheng-Huan Liu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Lu-Chen Yang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Pan Song
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Kun Fang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jing Zhou
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhu-Feng Peng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Qiang Dong
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
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Patel A, Muthukrishnan I, Kurian A, Amalchandra J, Sampathirao N, Simon S. Multicentric primary diffuse large B-cell lymphoma in genitourinary tract detected on 18F-F-fluorodeoxyglucose positron emission tomography with computed tomography: An uncommon presentation of a common malignancy. World J Nucl Med 2021; 20:117-120. [PMID: 33850502 PMCID: PMC8034790 DOI: 10.4103/wjnm.wjnm_45_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/13/2020] [Accepted: 05/23/2020] [Indexed: 11/30/2022] Open
Abstract
Primary extranodal lymphomas (ENLs) are lymphomas with no or minor nodal involvement and a dominant extranodal component originating from any organ. Primary ENL originating in the genitourinary tract is extremely rare. Diffuse large B-cell lymphoma (DLBCL) is the most frequent histological subtype in primary genitourinary lymphoma. Lymphomatous involvement of genitourinary system organs is common in the setting of disseminated disease. Herein, we present a unique case of primary multicentric extranodal DLBCL of the urogenital system involving ureter, seminal vesicle, and penis detected on 18fluro-deoxyglucose positron emission tomography with computed tomography, and to the best of our knowledge, it is the first case report with multiorgan involvement within a single (urogenital) organ system in a patient without disseminated disease, i.e., with no other nodal or extranodal organ system involvement.
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Affiliation(s)
- Asra Patel
- Department of Nuclear Medicine, Apollo Hospitals, Chennai, Tamil Nadu, India
| | | | - Ann Kurian
- Department of Pathology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | | | - Nikita Sampathirao
- Department of Nuclear Medicine, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - Shelley Simon
- Department of Nuclear Medicine, Apollo Hospitals, Chennai, Tamil Nadu, India
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Palumbo C, Mazzone E, Mistretta FA, Knipper S, Tian Z, Perrotte P, Montorsi F, Shariat SF, Saad F, Simeone C, Briganti A, Antonelli A, Karakiewicz PI. Primary lymphomas of the genitourinary tract: A population-based study. Asian J Urol 2020; 7:332-339. [PMID: 32995277 PMCID: PMC7498952 DOI: 10.1016/j.ajur.2019.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/14/2019] [Accepted: 07/01/2019] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE We performed a population-based analysis focusing on primary extranodal lymphoma of either testis, kidney, bladder or prostate (PGUL). METHODS We identified all cases of localized testis, renal, bladder and prostate primary lymphomas (PL) versus primary testis, kidney, bladder and prostate cancers within the Surveillance, Epidemiology, and End Results database (1998-2015). Estimated annual proportion change methodology (EAPC), multivariable logistic regression models, cumulative incidence plots and multivariable competing risks regression models were used. RESULTS The rates of testis-PL, renal-PL, bladder-PL and prostate-PL were 3.04%, 0.22%, 0.18% and 0.01%, respectively. Patients with PGUL were older and more frequently Caucasian. Annual rates significantly decreased for renal-PL (EAPC: -5.6%; p=0.004) and prostate-PL (EAPC: -3.6%; p=0.03). In multivariable logistic regression models, older ager independently predicted testis-PL (odds ratio [OR]: 16.4; p<0.001) and renal-PL (OR: 3.5; p<0.001), while female gender independently predicted bladder-PL (OR: 5.5; p<0.001). In surgically treated patients, cumulative incidence plots showed significantly higher 10-year cancer-specific mortality (CSM) rates for testis-PL, renal-PL and prostate-PL versus their primary genitourinary tumors. In multivariable competing risks regression models, only testis-PL (hazard ratio [HR]: 16.7; p<0.001) and renal-PL (HR: 2.52; p<0.001) independently predicted higher CSM rates. CONCLUSION PGUL rates are extremely low and on the decrease in kidney and prostate but stable in testis and bladder. Relative to primary genitourinary tumors, PGUL are associated with worse CSM for testis-PL and renal-PL but not for bladder-PL and prostate-PL, even after adjustment for other-cause mortality.
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Affiliation(s)
- Carlotta Palumbo
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
- Urology Unit, ASST Spedali Civili of Brescia, Department of Medical and Surgical Specialties, Radiological Science and Public Health, University of Brescia, Brescia, Italy
| | - Elio Mazzone
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
- Division of Experimental Oncology, Unit of Urology, Urological Research Institute (URI), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Francesco A. Mistretta
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
- Department of Urology, European Institute of Oncology, Milan, Italy
| | - Sophie Knipper
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
- Martini Klinik, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Zhe Tian
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
| | - Paul Perrotte
- Division of Urology, University of Montreal Hospital Center (CHUM), Montreal, Quebec, Canada
| | - Francesco Montorsi
- Division of Experimental Oncology, Unit of Urology, Urological Research Institute (URI), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Shahrokh F. Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- Department of Urology, Weill Cornell Medical College, New York, NY, USA
- Department of Urology, University of Texas Southwestern, Dallas, TX, USA
- Department of Urology, Second Faculty of Medicine, Charles University, Prag, Czech Republic
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Fred Saad
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
- Division of Urology, University of Montreal Hospital Center (CHUM), Montreal, Quebec, Canada
| | - Claudio Simeone
- Urology Unit, ASST Spedali Civili of Brescia, Department of Medical and Surgical Specialties, Radiological Science and Public Health, University of Brescia, Brescia, Italy
| | - Alberto Briganti
- Division of Experimental Oncology, Unit of Urology, Urological Research Institute (URI), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Alessandro Antonelli
- Urology Unit, ASST Spedali Civili of Brescia, Department of Medical and Surgical Specialties, Radiological Science and Public Health, University of Brescia, Brescia, Italy
- Corresponding author.
| | - Pierre I. Karakiewicz
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
- Division of Urology, University of Montreal Hospital Center (CHUM), Montreal, Quebec, Canada
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L'Imperio V, Rossi M, Abdul A, Mehta SR, Shaver AC, Fogo AB. Lymphoma and the Kidney: A Kidney Biopsy Teaching Case. Kidney Med 2020; 2:663-666. [PMID: 33089144 PMCID: PMC7568066 DOI: 10.1016/j.xkme.2020.06.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Lymphomatous infiltration of kidney parenchyma is a frequent complication of systemic hematologic malignancies and often shows subtle clinical presentation. Diffuse large B-cell lymphoma represents the most frequent form involving the kidney, with advanced stage at diagnosis, poor outcome, and risk for central nervous system relapse if not adequately treated. Kidney biopsy can provide specific and early detection of these cases, helping in the differential diagnosis with more frequent entities. Finally, further hematologic workup (bone marrow biopsy, complete blood cell count, and positron emission tomography) can distinguish secondary involvement of the kidney from the rarer kidney-limited forms, especially in patients without a previous diagnosis of lymphoma. Making a prompt and correct diagnosis directs the management of these cases and may improve the outcome, as described in the present report.
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Affiliation(s)
- Vincenzo L'Imperio
- Department of Medicine and Surgery, Pathology, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy.,Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN
| | - Mattia Rossi
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN.,Renal Unit, Department of Medicine, University and Hospital of Verona, Verona, Italy
| | - Afu Abdul
- Nephrology, Harbin Clinic, Cartersville, GA
| | - Satyen R Mehta
- Hematology, Northwest Georgia Oncology Center, Cartersville, GA
| | - Aaron C Shaver
- Division of Hematopathology, Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN
| | - Agnes B Fogo
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN
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Zahid N, Ahmed R, Adil S, Ather H. An unusual presentation of diffuse large B-cell lymphoma with ureteric involvement: A case report. IJU Case Rep 2019; 2:5-8. [PMID: 32743360 PMCID: PMC7292142 DOI: 10.1002/iju5.12024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 10/02/2018] [Indexed: 11/05/2022] Open
Abstract
INTRODUCTION Non-Hodgkin's lymphomas are a heterogeneous group of malignancies in the lymphoid system and ureteric involvement by non-Hodgkin's lymphoma is very rare. CASE PRESENTATION We present a 37-year-old male, presenting with lower urinary tract symptoms and right flank pain. Initially, he presented with lower urinary tract symptoms without having any evidence of urinary tract infection and was managed for nonspecific cystitis. His ureteral histopathology report indicated a diffused infiltration by malignant lymphoid cells and the final diagnosis revealed diffuse large B-cell lymphoma. His positron-emission tomography scan indicated stage 4 disease with skeletal involvement and he was then treated by rituximab, cyclophosphamide, liposomal doxorubicin, vincristine, and methylprednisolone chemotherapy. Later, he was also diagnosed with central nervous system lymphoma and died during his stay in the hospital. CONCLUSION Primary diffuse large B-cell lymphoma of the ureter is extremely rare; however, it should be considered in the differential diagnosis for patients presenting with obstructive uropathy as its early detection is crucial for diagnostic and therapeutic treatment.
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Affiliation(s)
- Nida Zahid
- Department of SurgeryAga Khan UniversityKarachiPakistan
| | - Rashida Ahmed
- Department of Pathology and Laboratory MedicineAga Khan UniversityKarachiPakistan
| | - Salman Adil
- Department of Pathology and Laboratory MedicineAga Khan UniversityKarachiPakistan
| | - Hammad Ather
- Department of SurgeryAga Khan UniversityKarachiPakistan
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