Week 6 part 1 Flashcards Preview

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Flashcards in Week 6 part 1 Deck (93)
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1

What do the majority of arteries of pelvis and perineum arise from?

Internal iliac artery

2

What are the exceptions for arteries supplying perineum coming from internal iliac?

Gonadal artery - L2 abdo aorta
Superior rectal artery - continuation of inferior mesenteric

3

wHAT Divisions does internal iliac split into?

[psterioor and anterior division (anterior usually visceral and posterior usually parietal)

4

What is the median umbilical ligament a remnant of which connected internal iliac to placetna through umbilical cord?

Umbilical artery

5

What artery of perineum is only present in males and its alternative in females is vaginal artery?

Inferior vesical artery

6

Internal iliac splits into anterior and posterior divisions - what comes from posterior division?

PILLS - posterior, iliolubar artery, lateral sacral arteries, superior gluteal artery

7

A branch of what artery goes to supply prostate?

Prostatic branch of inferior vesical artery

8

What are the trhee umbilical folds?

1. Lateral umbilical fold - inferior epigastric vessels
2. Medial umbilical fold - remnant of umbilical artery
3. Median umbilical fold - urachus

9

What does anterior scrotal artery branch form?

External iliac artery

10

What artery does middle rectal artery come off?

Internal pudendal artery

11

What is the uterine artery in females a homolog of?

Artery to vas deferens

12

Between whast two female arteries does an anastomosis occur between?

Uterine artery and ovarian artery
Uterine artery and vaginal artery

13

What two branches does ovarian artery split into?

Tubual branch
Ovarian branch - gives ovaries dual blood supply

14

Where does venous drainage from pelvis mainly drain to?

Internal iliac vein - some via superior rectal to hepatic protal system, some via lateral sacral veins to internal vertebral venous plexus

15

Sciatic nerve roots?

L4-S3, splits into tibial and common fibular

16

What lymph nodes does superior pelvic viscera go to?

External iliac nodes
Common liac, aortic, thoracic duct, venous system

17

What lymph nodes does inferior pelvic viscera go to?

Internal iliac nodes
Common iliac, aortic, thoracic duct, venous system

18

What lymph nodes does superficial perineum go to?

Superficial inguinal nodes

19

What nerve supplies perineum?

Pudendal

20

What is the commonest investigation n gynaecology/

Ultrasound - no ionising radiation

21

Does the patient need a full bladder for transabfdomnal ultrasound?

YES - Acts as an acoustic window, distended bladder displaceds gas filled bowel loops out of pelvis (gas scatters ultrqsound beam and degrades image wuality)

22

Higher frequency ultrasound has a shorter wavelength and better spatial resolution, but…….
…. Higher frequencies are more likely to be scattered in the body and the ultrasound transducer has to be close to the target organ

Transvaginal scanning - need empty bladder

23

Young Patient who gets admitted to a&e with acute abdominal pain that passes after 6 hours.

Ruptured ovarian cyst

24

What is second line investigation after ultrasound in patients presenting with acute abdominal pain?

CT scan

25

What imaging is used for staging of gynaecological malignancy, especially ovarian and endometrial cancers?

CT

26

What is the only fatty lesion in dermatology?

Dermoid cyst - confirmed on CT

27

wHAT ENERGY does MRI use?

Radiofrequency energy

28

What does MRI give poor depiction of?

Lung parenchyma - CT scan instead

29

What cancer is staged using MRI?

Cervical

30

Endometriosis is difficult to diagnose so patients may need what?

Diagnostic laparoscopy