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[Tumors in rheumatoid arthritis]
Orvosi Hetilap
|November 24, 1998
Summary
Rheumatoid arthritis patients showed a low incidence of benign and malignant tumors, with no increased risk of lymphoma in those not receiving immunosuppressive therapy. Specific tumors like neurogenic and bronchioloalveolar types were noted.
Area of Science:
- Oncology
- Rheumatology
- Pathology
Context:
- Investigated tumor incidence in rheumatoid arthritis (RA) patients.
- Utilized a randomized autopsy material of 161 RA cases.
- Employed histological and immunohistochemical methods for tumor diagnosis.
Purpose:
- To determine the prevalence of benign and malignant tumors in RA patients.
- To assess the association between RA and specific tumor types.
- To evaluate the risk of malignant lymphomas in RA patients, particularly those on immunosuppressive therapy.
Summary:
- Observed 5 benign (3.1%) and 13 malignant tumors (8.1%) in 18 (11.2%) of 161 RA cases.
- Found no significant difference in laboratory parameters between patients with and without malignant tumors.
- Noted an association between RA and benign neurogenic tumors and malignant bronchioloalveolar carcinoma in patients not on immunosuppressive drugs.
Impact:
- Suggests that RA patients not on immunosuppressive therapy do not have a high risk of malignant lymphomas.
- Highlights potential associations between RA and specific tumor types, such as neurogenic and bronchioloalveolar tumors.
- Indicates that paraneoplastic syndromes can be differentiated from RA based on disease onset and duration.