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[Nodular or pseudo-nodular Hashimoto thyroiditis. Value of cytologic examination]
P Nys1, R E Merceron, J P Cordray
1Service d'Endocrinologie, Diabétologie, Nutrition, Hôpital Notre-Dame de Bon-Secours, Paris.
Objectives:
Nodular or pseudo-nodular aspects of Hashimoto's thyroiditis raise the problem of the association with a differentiated carcinoma or a non Hodgkin's lymphoma.
Methods:
We looked for patients needing surgery in 165 cases of Hashimoto's thyroiditis. For this purpose, we used fine needle aspiration cytology.
Results:
We found a differentiated carcinoma in 4% of cases and a non Hodgkin's lymphoma in 1% of cases.
Conclusion:
In nodular or pseudo-nodular aspects of Hashimoto's thyroiditis, fine needle aspiration cytology is helpful for the nodule diagnosis and for the selection of suspicious nodules only to be referred to surgery.