Franc hT1, HT2 liquidien, contours polylobés, disparait en bili-IRM
Prise de contraste en mottes discontinues, précoce, avec remplissage centripète (lacs veineux) progressif jusque complet (tardif+++)
Possible portion liquidienne centrale : dégenerescence mucoïde
ANGIOME CAPILLAIRE (hémangiome)
Pdc intense équivalent à l’aorte à tous les temps
Diagnostic en échographie : si 4 critères présents
Hyperechogène homogène, sans signal Doppler couleur +- renforcement postérieur
< 3cm
Bilan hépatique normal
En dehors de contexte néoplasique
DDx : lésions fibreuses avec remplissage centripète:
Cholangiocarcinome fibro-lamellaire : Pdc périph mais CONTINUE
Métastase d’ADK colique mucineux (HT2 liquidien) ou neuroendocrine : Pdc tardive périph CONTINUE jamais complète
Exemples d’angiomes hépatiques
Angiome géant
Angiomes et adénome graisseux
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