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Pelvic Anatomy > Avascular Spaces > Flashcards

Flashcards in Avascular Spaces Deck (11)
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1

Pararectal space

Btw ureter and internal iliac
- medial: Uterosacral ligament, rectum
- lateral: internal iliac
- anterior: cardinal ligament
- posterior: sacrum

2

Paravesical

Between obliterated umbilical and external iliac
- medial: bladder
- lateral: obturator/sidewall
- anterior: public symphysis
- posterior: cardinal
- floor: levator ani

3

What are the avascular spaces of the pelvis?

1-2. Paravesical
3-4. Pararectal
5. Space of retzius
6. Presacral
7. Vesicovaginal
8. Rectovaginal

4

Presacral space

Anterior: posterior rectal fascia
Lateral: pararectal space
Posterior: Waldeyers fascia

5

Rectovaginal space

Anterior: vagina
Lateral: Uterosacral ligament
Posterior: rectum

6

Vesicovaginal space

Anterior: posterior bladder
Lateral: bladder pillars
Proximal: cervix/vagina

7

Borders of systematic pelvic lymphadenectomy

Superior: Mid-common iliac artery
Inferior: Deep circumflex iliac vein
Lateral: Mid-psoas muscle
Medial: Ureter and anterior division of internal iliac vessels
Dorsal: Obturator nerve and obturator fossa

8

Borders of RIGHT para-aortic lymphadenectomy

Superior: Right ovarian vein entry into vena cava
Inferior: Mid-common iliac artery
Medial: IVC
Lateral: Right ureter

9

Borders of LEFT para-aortic lymphadenectomy

Superior: Entry of left ovarian vein into left renal vein
Inferior: Mid-common iliac artery
Medial: Aorta
Lateral: Left ureter

10

Space of Okabayshi

Medial to ureter in pararectal space
-contains hypogastric nerves

11

Space of Latzko

Lateral to ureter in pararectal space