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[Silent thyroiditis and postpartum thyroiditis]
1Servicio de Endocrinología, Hospital La Paz, Madrid.
Objective:
Six cases of silent thyroiditis are described. Clinical, analytical, therapeutical and prognostical features are reviewed.
Design:
Descriptive and retrospective study.
Setting:
Outpatient endocrinological clinic of a General Hospital
Patients Or Other Participants:
Six women (age 26-41 years) that fulfil clinical and analytical criteria of silent thyroiditis. In 4 patients thyroiditis was diagnosed in the postpartum period and in the remaining 2 there was no relationship with pregnancy.
Main Measurements And Results:
Serum levels of thyroid hormones and thyroglobulin and thyroid peroxidase antibodies were measured in all patients. Follow-up period was between 12 and 41 months. The 2 patients with the sporadic form of silent thyroiditis showed clinical and analytical data of thyrotoxicosis that spontaneously resolved. The remaining 4 patients presented with hypothyroidism. In one of them the hypothyroidism spontaneously resolved, in 2 it became permanent and in a further one it developed to subclinical hypothyroidism.
Conclusions:
Silent thyroiditis (sporadic or postpartum) is a frequent disorder, usually benign and transient. It can present in different clinic forms and evolve to resolution of permanent thyroid dysfunction.