1.1 Renal anatomy Flashcards
Where do renal arteries arise from?
AORTA;DISTAL TO SMA
Where does the RRA arise from?
Anterolateral; posterior to the IVC
Where does the LRA arise from?
lateral; posterolateral
Almost 20% of kidneys are supplied by?
duplicated or accessory arteries
Renal arteries have 4 _______________ and 1______________
4- anterior segmental arteries
1-posterior segmental artery
Segmental arteries branch into____________ that reach the ______________
Interlobar arteries; parenchyma
Segmental arteries terminate in?
Arcuate arteries
Arcuate arteries lie at the?
Cortico-medullary junction
Interlobar arteries branch off the ________ arteries into the______________
arcuate arteries; peripheral cortex
Before evaluating the vessel morphology; What do you asses?
Kidney size
Normal kidney size is?
10-12 cm
can be 8 cm (small person)
Arteries are usually seen in what position?
mainly RRA
Transverse, Anterior and midline
What other position may be needed for LRA
Coronal
3 things that make this exam difficult?
- Artery depth
- respiration
- Abdo gas
Patient prep for exam?
12 hour fast
morning exam
What probe is used?
2.5-3MHz curvelinear
assess entire length vessel
Renal Veins
….RRV & LRV
LRV passes between Aorta and?
SMA
LRV recieves the _________ & _______veins
Left suprarenal and left gonadal
What percent of the population may the LRV divide and pass anterior and posterior to the aorta
2-9%
What is shorter, the RRV or the LRV?
RRV
Where does the RRV extend into?
The renal hilum
Does the RRV have tributaries?
No
Where is it more common to find accessory veins?
The right side, draining directly into the IVC
