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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Nomura, Masahiro Sumiya, Ryusuke Ono, Hayato Nagai, Takeshi Kumazawa, Keigo Shimizu, Atsushi Endo, Daisuke Aoyanagi, Nobuyoshi |
| Abstract | Background Methotrexate (MTX) is a frequently used drug in the treatment of rheumatoid arthritis (RA), but occurrences of lymphoproliferative disorders (LPD) have been reported in patients undergoing an MTX regimen. Almost half of the patients with methotrexate-associated lymphoproliferative disorders (MTX-LPD) have extranodal lesions; moreover, although extremely rare, digestive tract perforations resulting from the extranodal lesions of MTX-LPD have also been reported. Case presentation We describe the case of an 81-year-old woman with RA who had been prescribed MTX at 6 mg per week for the past 11 years. She was admitted to our hospital with occasional abdominal pain and was first diagnosed with enteritis. Her abdominal pain did not improve, and a computed tomography scan showed abdominal effusion and free air in the abdominal cavity. She was diagnosed with a digestive tract perforation and underwent emergency surgery. The perforation site was identified in the jejunum, and she underwent small intestinal resection around the perforated region. The pathological findings showed an ulcer in the jejunum and infiltration of large atypical lymphocytes around the perforated region. An immunohistochemical examination revealed the expression of a cluster of differentiation 20 and latent membrane protein 1. Considering the patient’s history of RA treated with MTX, she was diagnosed as having Epstein–Barr virus (EBV)-related MTX-LPD with a histological diagnosis of EBVMCU. MTX was discontinued after the surgery, and her soluble interleukin-2 receptor (sIL-2R) levels had returned to normal 1 year later. She has had a good course for the 2 years since surgery and remains asymptomatic with no recurrence of MTX-LPD, as confirmed by the sIL-2R levels. Conclusion We experienced a rare case of the jejunum perforation induced by MTX-LPD. Since only a few cases have been reported of a patient with small intestinal perforation induced by MTX-LPD, further research is necessary to evaluate the clinicopathological features of MTX-LPD. The patient had disease remission after surgery and by discontinuing MTX treatment; our case did not require chemotherapy. EBV-positive patients, especially those with a pathological presentation of EBVMCU, could have a higher likelihood of remission, which could have been a factor in the present case. |
| Related Links | https://wjso.biomedcentral.com/counter/pdf/10.1186/s12957-020-02114-0.pdf |
| Ending Page | 7 |
| Page Count | 7 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14777819 |
| DOI | 10.1186/s12957-020-02114-0 |
| Journal | World Journal of Surgical Oncology |
| Issue Number | 1 |
| Volume Number | 19 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2021-01-02 |
| Access Restriction | Open |
| Subject Keyword | Surgical Oncology Methotrexate Lymphoproliferative disorder Intestinal perforation Jejunum Epstein–Barr virus Case report Epstein–Barr virus-positive mucocutaneous ulcer EBVMCU |
| Content Type | Text |
| Resource Type | Case study |
| Subject | Oncology Surgery |
| Journal Impact Factor | 2.5/2023 |
| 5-Year Journal Impact Factor | 2.8/2023 |
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