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Primary T-cell lymphoma of the thyroid
Y Mizukami1, F Matsubara, T Hashimoto
1Department of Pediatrics, Kanazawa University Hospital, Japan.
Acta Pathologica Japonica
|December 1, 1987
Summary
This report details a rare case of non-Hodgkin's malignant T-cell lymphoma affecting the thyroid gland. Immunologic studies confirmed the lymphoma cells exhibited a T-cell phenotype, a significant finding for this uncommon thyroid malignancy.
Area of Science:
- Oncology
- Hematology
- Pathology
Background:
- Thyroid lymphomas are rare, with non-Hodgkin's lymphoma (NHL) being the most common subtype.
- Malignant T-cell lymphoma of the thyroid is exceptionally rare, presenting diagnostic challenges.
Observation:
- A case of non-Hodgkin's malignant T-cell lymphoma in the thyroid of a 79-year-old woman was analyzed.
- Light microscopy revealed diffuse proliferation of medium-sized lymphoid cells with irregular and multilobulated nuclei.
- Electron microscopy showed tumor cells with irregularly indented nuclei.
Findings:
- Immunophenotypic analysis using surface markers confirmed the lymphoma cells were positive for T-lymphocyte antigens (OKT4, OKT11).
- The lymphoma cells did not react with B-lymphocyte-associated antigens, establishing a T-cell phenotype.
- The findings confirmed a rare diagnosis of T-cell lymphoma of the thyroid.
Implications:
- This case highlights the importance of comprehensive diagnostic evaluation, including immunophenotyping, for rare thyroid malignancies.
- Understanding the T-cell phenotype is crucial for accurate diagnosis and potential therapeutic strategies in thyroid lymphoma.
- Further research into rare T-cell lymphomas of the thyroid may improve clinical management and patient outcomes.