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Carcinome canalaire in situ

Carcinome canalaire in situ

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CARCINOMES INFILTRANTS<br />

Types histologiques<br />

<strong>Carc<strong>in</strong>ome</strong> lobulaire <strong>in</strong>filtrant<br />

5 à 15% des carc<strong>in</strong>omes du se<strong>in</strong><br />

OMS « carc<strong>in</strong>ome <strong>in</strong>filtrant formé de cellules non cohésives»<br />

En général (85%) : E-cadhér<strong>in</strong>e -<br />

parfois : E-cadhér<strong>in</strong>e + (marquage cytoplasmique associé)<br />

Ac anti-E-cadhér<strong>in</strong>e<br />

Variant pléomorphe : pronostic + réservé, ie grade + élevé)

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