Transformation of Primary Small Intestinal Follicular Lymphoma to CD20-Negative Diffuse Large B-Cell Lymphoma following Rituximab Treatment: A Case Report
This case highlights the diagnostic limitation of endoscopic biopsy following rituximab therapy. Therefore, clinicians should be cautious in relying solely on endoscopic findings and remain open to surgical intervention to achieve a timely and accurate diagnosis.
Authors
- Noriyoshi Fukushima (ORCID: https://orcid.org/0000-0002-4522-9007)
- Hirotsugu Sakamoto (ORCID: https://orcid.org/0000-0002-2458-1693)
- Mio Sakaguchi
- Satoshi Shinozaki (ORCID: https://orcid.org/0000-0001-6935-4470)
- Tomonori Yano (ORCID: https://orcid.org/0000-0002-0160-432X)
- Masafumi Kitamura (ORCID: https://orcid.org/0000-0002-3421-2891)
- Hironori Yamamoto (ORCID: https://orcid.org/0000-0002-3601-1153)
Institutions
- Jichi Medical University (JP)
Publication Details
- Journal
- Case Reports in Gastroenterology
- Published
- 2025-11-07
- DOI
- https://doi.org/10.1159/000548909
- Citations
- 1
- Primary Topic
- Lymphoma Diagnosis and Treatment
- Type
- article
- Field-Weighted Citation Impact
- 1.47