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Goitres plongeants et thoraciques - Association Francophone de ...

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Goitre endémique<br />

Role <strong>de</strong> la grossesse sur l’évolution du goitre:<br />

Elévation du taux plasmatique <strong>de</strong> la TBG (transport <strong>de</strong><br />

T4) d’ou baisse <strong>de</strong> FT4 <strong>et</strong> augmentation <strong>de</strong> TSH.<br />

Eff<strong>et</strong> TSH like <strong>de</strong>s ßHCG.<br />

Fuite <strong>de</strong>s iodures ( clearence rénale <strong>et</strong> échanges fœtaux ).<br />

Si apports iodés normaux eff<strong>et</strong>s limités <strong>et</strong> régressifs<br />

Si apports iodés faibles, eff<strong>et</strong>s majorés <strong>de</strong> la stimulation<br />

thyréotrope <strong>et</strong> goitre ++ , persistant en post partum

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