CRITÈRES SÉMIOLOGIQUES DE la grossesse extra utérine
Signes de grossesse
Corps jaune gravidique+++, follicules de 2-3 mm bordant, homolatéral
Endomètre décidualisé
Éliminer une grossesse intra utérine
Sac ovulaire embryonné
Sac ovulaire et vésicule vitelline
Confrontation au taux βHCG : seuils variables
1500 en écho vaginale
2500 en écho abdo
Signes annexiels
Repérer l’ovaire porteur du corps jaune
Masse annexielle : hématosalpinx , olive échogène hétérogène para-ovarienne ; pas de vascularisation centrale.
Sac gestationnel
Hémopéritoine
Absence de tout signe annexiel
GEU de siège inhabituel
Localisation
Trompe
Cornuale
Cervicale
images pièges
Cavité utérine parait vide ou est mal visible
Echo voie abdo +++
Surveillance
Petite image liquidienne infracentimétrique
Kystes intra glandulaire
Images intracavitaires
Pseudo sac : central et couronne endométriale simple
Sac intra utérin : excentré et double couronne trophoblastique
Compte rendu
Soit diagnostic positif soit temporisation et suivi
Décrire avec schéma, souligner les discordances (chronologie, hCG, échographies antérieures) et conclure :
Diagnostic de GEU patente et orientation thérapeutique
GEU latente, a minima, douteuse ? ….: organiser une temporisation . Les conditions de la temporisation.
Présomption de GIU a minima , de FCS : imposer un suivi
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