[Pituitary and ovarian mass syndrome in primary hypothyroidism]. / Syndrome de masse hypophysaire et kystes ovariens dans un cas d'hypothyroïdie périphérique.

INTRODUCTION: Hyperprolactinemia and a pituitary mass syndrome can occur in patient with primary hypoyhroidism. In young women, hypothyroidism can be associated with ovarian cysts. EXEGESIS: We report a case of a 30 year-old women who was treated for an anemia. She had clinical and biological signs of primary hypothyroidism with hyperprolactinemia at the biology. Pituitary MRI showed a pituitary mass. The pelvic ultrasound examination and CT scan showed a right ovarian cyst. The subsequent thyroid hormone replacement was associated with a clinical, a biological and radiological resolution. It was a pituitary and ovarian mass syndrome secondary to primary hypothyroidism. CONCLUSION: The recognition of these associations may eliminate unnecessary surgery and lead to the choice of hormone replacement therapy.