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Samenvatting TECH P5
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Echografie (EC) samenvattingWeblecture EC 05-001
Lever anatomie
- Linker leverkwab => kleinere kwab
- Rechter leverkwab => grotere kwab, langer
- Lobus caudatus
- Lobus quadratus
- Interlobaire fissuur (lig. venosum)
• Voor de afgrenzing van de: lobus caudatus
- Ligamentum teres (v. umbilicalis)
• Voor de afgrenzing van de: lobus quadratus
Anatomische indeling
- Links < rechts; welke word gescheiden door het ligamentum falciforme
- Ligamentum falciforme behoort bij de rechter leverkwab
- Chirurgisch worden de segmenten gescheiden op basis van de portae en hepatische takken.
De lobus caudatus word aan de links laterale zijde gescheiden door de interlobaire fissuur. De lobus
quadratus word afgescheiden door de ligamentum teres en de galblaas.
, Verschillende systemen in de lever:
- Portale veneuze systeem
• V. lienalis
• V. mesenterica superior
• V. portae
• V. portae ramus sinistra
• V. portae ramus dextra
- Hepatisch veneuze systeem
• V. hepatica sinistra
• V. hepatica media
• V. hepatica dextra
• V. cava inferior
• (bunny sign)
- Arteriële systeem
• Truncus coeliacus
• A. hepatica communis
• A. hepatica propria
• A. hepatica dextra en sinistra
- Galwegen
• D. hepaticus dextra en sinistra
• D. hepaticus communis
• D. choledochus
• (galblaas met d. cysticus)
Portale triade: => blijven op microscopisch niveau bij elkaar.
- V. portae
- Galweg
- Arterie
Scantechniek en beeldherkenning
De vena cava inferior is de startpunt voor een onderzoek. Het doel is iedere cm3 van de lever te
beoordelen.
- Sagittaal en transversaal + oblique en/ of intercostaal (tussen de ribben)
• Linker leverkwab
• Rechter leverkwab
• Diafragma
• Lobus caudatus en quadratus
• Alle begrenzingen
- Ademcommando/ bolle buik => diepe inspiratie
- Procedure herhalen in linker zijligging
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