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Pizzi M, Sbaraglia M, Bellan A, Santoro L, Dal Santo L, De Bartolo D, Carraro E, Zoletto S, Visentin A, Marino D, Trentin L, Dei Tos AP. Incidental lymphomas in surgical pathology: diagnostic clues and clinical-pathological correlations. Virchows Arch 2021; 480:459-465. [PMID: 33830333 DOI: 10.1007/s00428-021-03096-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/21/2021] [Accepted: 03/30/2021] [Indexed: 11/30/2022]
Abstract
Incidental lymphomas (ILs) are rare and challenging lesions with poorly characterized clinical-epidemiological and histological features. The present study addressed the open issues concerning these tumors, by assessing the clinical-pathological features of 28 consecutive ILs, diagnosed over a 10-year period at a tertiary center for surgical pathology. ILs were more frequently documented in elderly males (mean age at surgery 70.8 years; M/F ratio 3.3), with sharp prevalence of gastrointestinal and urinary tract involvement (22/28 [78.6%] cases). Low-grade B-cell lymphomas outnumbered all other entities, and chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) was the most common subtype (18/28 [64.3%] cases). Compared to other ILs, CLL/SLL occurred at older age and was the sole lymphoid neoplasm affecting the urinary tract. In conclusion, ILs are rare lesions, mostly affecting the gastrointestinal and urinary tract of elderly males. The diagnosis of IL is based on a high degree of suspicion and on careful morphological/phenotypic characterization.
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Affiliation(s)
- Marco Pizzi
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy.
| | - Marta Sbaraglia
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Alberto Bellan
- Department of Pathology, ULSS6, Camposampiero Hospital, Camposampiero - Padua, Italy
| | - Luisa Santoro
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Luca Dal Santo
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Debora De Bartolo
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Elisa Carraro
- Oncohematology Unit, Department of Children and Women's Health, University of Padua, Padua, Italy
| | - Simone Zoletto
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Andrea Visentin
- Hematology & Clinical Immunology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Dario Marino
- Medical Oncology 1, Veneto Institute of Oncology IOV IRCCS, Padua, Italy
| | - Livio Trentin
- Hematology & Clinical Immunology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Angelo Paolo Dei Tos
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
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