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. 1992;22(5):929-33.
doi: 10.1016/0360-3016(92)90790-o.

Primary malignant lymphoma of the thyroid: a clinicopathological analysis

Affiliations

Primary malignant lymphoma of the thyroid: a clinicopathological analysis

J P Logue et al. Int J Radiat Oncol Biol Phys. 1992.

Abstract

A retrospective analysis of 70 patients with primary malignant lymphoma of the thyroid treated at this institute between 1965-1983 has been conducted. The clinicopathological features and prognostic factors have been studied. The mean age was 67.5 years and there was a marked female:male ratio of 8:1. A total of 32 (45.7%) Stage IE and 38 (54.3%) Stage IIE patients were identified. In 64 cases histological material was reviewed and classified employing the Kiel classification. All the tumors were of B cell lineage and the majority were follicle center cell type. A biopsy only was performed in 27 patients, lobectomy in 11 patients, subtotal thyroidectomy in 27 and macroscopic thyroidectomy in 5 patients. All patients were treated with radiotherapy. The overall 5-year survival was 42%, with 63% for Stage IE and 27% for Stage IIE. The corrected overall 5-year survival was 49% with 68% for Stage IE and 36% for Stage IIE. The corresponding overall relapse free survival was 42% with 60% for Stage IE, and 31% for Stage IIE. Factors of prognostic significance for relapse and survival were stage, radiotherapy dose, stridor, retrosternal extension and fixation.

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