Anatomy of the lateral pelvic wall and pelvic masses Flashcards
Where do the majority of arteries for the pelvic wall arise from?
internal iliac artery
What are the two arteries that do not arise from the internal iliac artery?
gonadal artery
superior rectal artery
Where does the gonadal artery come from?
L2 abdominal aorta
Where does the superior rectal artery come from?
inferior mesenteric artery
Coming off the internal iliac, is the anterior division of arteries usually parietal or visceral?
visceral
Coming off the internal iliac, is the posterior division of arteries usually parietal or visceral?
parietal
What arteries make up the anterior division?
obturator artrey
medial umbilical ligament
superior and inferior vesicular artery
What arteries make up the posterior division?
mainly gluteal arteries
What is different about the females superior and inferior vesicular arteries?
NO INFERIOR ONE
Where do most of the arteries of the male perineum come from?
internal pudendual
Where does blood come from in an erection?
deep artery of the penis
Where does the anterior scrotal artery come from?
external iliac artery
What does the ovarian artery split into?
ovarian branch and tubual branch
Where are the 2 astamoses in females?
between the uterine artery and ovarian artery
between the uterine artery and vaginal artery
Where do most veins drain into?
internal iliac vein
Apart from the internal iliac vein, where do the rest of the veins drain into?
via hepatic portal system via superior rectal
via lateral sacral veins into internal venous plexus
What is the lymphatic drainage of the superior pelvic viscera?
external iliac nodes
What is the lymphatic drainage of the inferior pelvic viscera?
internal iliac nodes
What is the lymphatic drainage of the superficial perineum?
superficial inguinal nodes
How does transperitoneal spread occur?
disease can easily penetrate through the peritoneal layer and disseminate into the peritoneal cavity
