Samenvatting................................................................................................................................................. 1
Anatomie..............................................................................................................................................................1
Handelingsschema’s.............................................................................................................................................2
Vena porta longitudinaal.................................................................................................................................2
Vena porta ramus dextra en sinistra...............................................................................................................2
De komma........................................................................................................................................................2
Pathologie............................................................................................................................................................3
Trombus in vena portae...................................................................................................................................3
Stuwing in venae hepaticae en vena cava inferior..........................................................................................3
Portale hypertensie.........................................................................................................................................3
Technische instellingen........................................................................................................................................4
Resolutie...............................................................................................................................................................5
Axiale resolutie................................................................................................................................................5
Laterale resolutie.............................................................................................................................................6
Grijswaarde..........................................................................................................................................................6
Leerdoelen
o De topografische anatomie van de vena lienalis, vena mesenterica superior,
confluens en intra- en extrahepatische vena portae beschrijven
o Een handelingsschema voor het gevraagde echografisch onderzoek van de vena
portae opstellen
o Omschrijven hoe de gevraagde pathologie zich presenteert:
Trombus in vena portae
Stuwing venae hepaticae en vena cava inferior
Portale hypertensie;
o De invloed van de technische parameters beschrijven;
o De benodigde stappen voor het methodisch uitvoeren van het gevraagde
echografisch onderzoek beschrijven;
o De gevraagde echografische afbeeldingen
beschrijven conform echografische terminologie;
Samenvatting
Anatomie
o Vena lienalis
1
, o Vena mesenterica superior
o Confluens
o Vena portae extrahepatisch
o Vena porta intrahepatisch
Vena porta ramus dextra
Vena porta ramus sinistra
Handelingsschema’s
Vena porta longitudinaal
o Begin in het transversale vlak bij de confluens en de vena lienalis
o Transducer met de klok mee draaien
o Vena porta longitudinaal
Vena porta ramus dextra en sinistra
o Begin in het transversale vlak bij de confluens en vena lienalis
o Ga richting de ribbenboog en volg de transversale vena porta tot dat deze over gaat
in de ramus dextra en sinistra
o Transducer tegen de klok in draaien om ze volledig in beeld te krijgen
De komma
o Begin in het sagittale vlak bij de vena lienalis als die transversaal is afgebeeld
o Transducer naar dextra bewegen tot dat je de vena mesenterica superior
longitudinaal treft
o Nog verder naar dextra tot dat de vena porta de lever in gaat
o Komma
2
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