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Non-Hodgkin's lymphoma in bone. Pathologic and radiologic features with clinical correlates
F Clayton1, J J Butler, A G Ayala
1Department of Pathology, University of Texas M.D. Anderson Hospital and Tumor Institute, Houston, TX 77030.
Cancer
|November 15, 1987
Summary
Bone lymphomas, particularly diffuse large cell lymphomas, show improved long-term survival when localized. Histologic patterns also impact outcomes, with localized disease offering a better prognosis for bone lymphoma patients.
Area of Science:
- Oncology
- Pathology
- Radiology
Background:
- Lymphomas of bone are rare and diverse, with diffuse large cell lymphoma being the most common subtype.
- Understanding prognostic factors is crucial for managing bone lymphomas.
Purpose of the Study:
- To analyze the clinicopathologic and radiologic features of bone lymphomas.
- To identify factors correlating with long-term survival in bone lymphoma patients.
Main Methods:
- Retrospective review of 37 bone lymphoma cases.
- Histologic subclassification of diffuse large cell lymphomas.
- Correlation of stage, histology, and radiographic findings with survival data.
Main Results:
- Thirty-three diffuse large cell lymphomas (DLCL) were identified among 37 bone lymphomas.
- Long-term survival ( > 5 years) was observed in 11 of 26 DLCL patients.
- Localized disease (73% survival) and specific histologic subtypes (large cleaved/multilobated: 67% survival) significantly improved outcomes compared to disseminated disease (9% survival) and other subtypes (large non-cleaved/immunoblastic: 21% survival).
- Radiographic findings were not diagnostically useful.
Conclusions:
- Stage and histologic subtype are critical prognostic indicators for diffuse large cell lymphoma of bone.
- Localized bone lymphomas and certain histologic patterns portend a better prognosis.
- Radiological features do not reliably predict outcomes in bone lymphomas.