Intracardiac ectopic thyroid tissue was removed in a 51 years old woma
n, after echography has discovered a tumor in the right ventricle. The
re was a normal thyroid gland in the neck and thyroid fonction tests w
ere normal. Intra-cardiac ectopic thyroid tissue is very rare; it is d
ue to an abnormality of embryological development, when thyroid anlage
is in close contact with the embryonic heart.