%0 Journal Article %T An unusual pituitary mass revealing a primary hypothyroidism! | Clinics and Practice %A Amal Moumen %A Azzelarab Meftah %A Ghizlaine Belmejdoub %A Hamza El jadi %A Souad Elmoussaoui %J Clinics and Practice %D 2015 %R https://doi.org/10.4081/cp.2015.733 %X Autoimmune hypothyroidism is a common medical condition. Its revelation by thyrotrophic hyperplasia is an unusual and may be misdiagnosed as a pituitary adenoma. A 35-year-old man is referred to us for endocrinological assessment before surgery of a pituitary macroadenoma with bitemporal hemianopsia. Biological data reveal profound primary hypothyroidism. With thyroid hormone substitution, the thyroid function was normalized. Follow-up magnetic resonance imaging, showed the complete shrinkage of the pituitary mass attesting of a thyrotrophic pituitary hyperplasia. This case highlights the importance of a multidisciplinary assessment of pituitary masses to avoid unnecessary surgery and to prevent consequences of sellar masses %K primary hypothyroidism %K pituitary hyperplasia %K pituitary macroadenoma %K autoimmune thyroiditis. %U https://www.clinicsandpractice.org/index.php/cp/article/view/733