Abdo Pelvis Flashcards

1
Q

What is C?

A

Iliopectineal line

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2
Q

Ilium

A

Distal 3/5 or 60%
Starts at 6m

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3
Q

Ligament at DJ junction

A

Ligament of Treitz

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4
Q

Divides Body and Antrum of stomach

A

Incisura Angularis of the lesser curvature of the stomach

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5
Q

D1 lies anterolateral to

A

L1
Intraperitoneal
1st 2cm has mesentry and mobile

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6
Q

Fine reticular network of barium-coated grooves between 1-5 mm islands/areas of gastric mucosa

A

Areae gastricae

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7
Q

DJ Flexure should always lie

A

At level of pylorus /L1
Lateral to the left pedicle

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8
Q

Presacral space at S4 should not be greater than

A

4mm

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9
Q

Pancreas surrounding D2

A

Annular Pancreas

From abnormal migration of the ventral pancreatic bud
Increased risk of pancreatitis and peptic ulcer disease

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10
Q

Just proximal to bulbar urethra

A

Sphincter urethrae

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11
Q

Proximal ossification centre of left proximal femur

A

Femoral capital epiphysis

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12
Q

Penile area you you place catheter into for urethrogram

A

Fossa navicularis

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13
Q

Name of the bulbourethral glands

A

Cowper’s glands which feed into ducts

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14
Q

Urethra passes through

A

Prostatic - through neck of prostate
Membranous (2cm and narrowest) - Urogenital diaphragm (true pelvic floor)
Bulbar - Urogenital diaphragm + penile bulb (corpus spongiosum)
Penile

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15
Q

A structure located on the floor of the posterior urethra, which marks the boundary between the membranous and the prostatic segment

A

The verumontanum, also known as the seminal colliculus

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16
Q

Urethra labelled

A
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17
Q

Focal dilation of the bulbar sement

A

Intrabulbar fossa

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18
Q

Parts of the fallopian tube

A
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19
Q

Thin part of fallopian tube opening into cornu of uterus

A

Intramural / interstitial part
Isthmus of uterine tube leads to this

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20
Q

A curvilinear line running from the sacroiliac joint along the medial border of the iliac wing and the superior border of the superior pubic bone up to the symphysis and delineates the inner margin of the pelvic ring

A

Iliopectineal line

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21
Q

Retroverted uterus

A
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22
Q

Lateral umbilical fold formed by which artery?

A

Inferior epigastric artery, closely related to the deep inguinal ring and its contents.

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23
Q

Lumen of the cervix opening into uterus

A

Internal cervical ostium (os)

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24
Q

Levels of anterior branching of abdominal aorta

A

CA - T12
SMA - L1 about 1cm below CA
IMA - L3

(Bifurcation at L4)

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25
Q

Testicular vein drains the…

A

Pampiniform plexus of the testes

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26
Q

SMA Path

A

L1, 1cm below CA

  • Passes posterior to neck of pancreas and
  • anterior to uncinate process
  • LEFT of SMV
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27
Q

MRA of coeliac and mesenteric arteries

A
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28
Q

Lateral branches of abdominal aorta

A

Inferior phrenic
Middle Supraprenal
Renal
Gonadal

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29
Q

Posterior branches of abdominal aorta

A

Lumbar
Median Sacral

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30
Q

Arises from proximal common hepatic artery and takes a vertical inferior course

A

Gastroduodenal artery

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31
Q

Arises from coaeliac axis and takes a vertical superior course overlying aorta

A

Left gastric artery

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32
Q

External iliac becomes femoral artery at level of…

A

Inguinal ligament

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33
Q

Branches of posterior division of the internal iliac

A

SIL
Superior gluteal
Iliolumbar
Lateral Sacral

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34
Q

Branches of anterior division of internal iliac

A

Umbilical
Obturator
Inferior vesicular
MIDDLE rectal artery
Vaginal and uterine
Internal pudendal
Inferior gluteal

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35
Q

Normal variants:
The common hepatic artery or the
RIGHT hepatic artery can arise from the…

A

SMA instead of CA

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36
Q

Michel’s classification of hepatic arterial supply

A
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37
Q

Gonadal arteries level

A

L2

38
Q

Branches of external iliac

A

Deep circumflex iliac
Inferior epigastric

39
Q

Infrarenal aortic branches

A
  1. Gonadal
  2. IMA
  3. 4 Paired Lumbar
  4. Median sacral
40
Q

IF SMA lies behind portal confluence instead of in front it is a..

A

Partial gut midrotation

41
Q

Muscles just above the pelvis

A

SLIT
Spinalis Thoracis
Longissimus Thoracic
Iliocostalis Lomborum
Thoracolumbar Fascia

42
Q

Muscles in chest

A
43
Q

Lower Pelvis muscles

A
44
Q

Deep Pelvis muscles

A
45
Q

Just above and medial to External oblique

A

Latissimus dorsi

46
Q

Part of the duodenum seen at the level of the portal confluence

A

D2

47
Q

Anatomical variant of the left renal vein

A

Retro-aortic
Circum-aortic (anterior and posterior branches) - retro-aortic component is always caudal

48
Q

Space between liver and Kidney

A

Heptorenal recesss (Morrison’s pouch)

49
Q

Fascial Planes in the abdomen

A
50
Q

Liver Segments right at the top

A
51
Q

Upper Liver Segments

A

2/4(A)/8/7

52
Q

Lower Liver Segments

A

3/4(A)/5/6

53
Q

Quadrate lobe lies

A

anterio-inferiorly between gallbladder bed and the fissure for ligamentum teres

54
Q

Caudate lobe lies

A

posteriorly between IVC and fissure for ligamentum venosum

55
Q

Left renal vein recieves

A

2nd Lumbar Vein
Left Suprarenal Vein
Left Gonadal Vein
Left inferior phrenic vein

56
Q

Ligamentum in the femoral head

A

Ligamentum Teres

57
Q

Posterior Veins

A

Ascending lumbar veins
- Azygous on the right

  • Hemi and Accessory hemi-azygous on the left empty into the azygous on the right
58
Q

Cystic vein drains into the

A

The right portal vein

59
Q

Paraumbilical veins drain into the

A

The left portal vein

60
Q

The ligamentum teres of the liver is a remnant of the

and arises from the

A

Obliterated LEFT umbilical vein

And arises from the LEFT portal vein

61
Q

Vessel passing behind the IVF on the right

A

Right renal artery

62
Q

Part of the pancreas directly in front of the CA and SMA on sagittal

A

Head of the pancreas

63
Q

The deep circumflex iliac artery finishes between the transversus abdominis and internal abdominal oblique muscles and anastomoses with

A

The superior gluteal and iliolumbar arteries

64
Q

Signal intensity of seminal vesicles on T2 and T1

A

High signal intensity on T2, Low on T1

Low T2 intensity in the context of Prostate CA means spread / inoperability

65
Q

Signal intensity of 3 prostatic zones on T2

A

Peripheral: High
Transitional + Central: Intermediate/Low

66
Q
A

A - Urinary Bladder
B - Corpus Cavernosum
C - Corpus Spongiosum
D - Left testis
E - Left Pubic Bone

67
Q

Arterial supply to penis

A

Internal pudendal artery - paired cavernosal arteries

68
Q

Branches of internal iliac

A

PILS:
Iliolumbar
Lateral Sacral
Sup. Gluteal

69
Q

External iliac artery branches before it becomes common femoral

A

Inferior Epigastric
Deep Circumflex iliac

70
Q

Pudendal canal - location and contents

A

aka Alcock’s canal
Lateral wall of ischiorectal fossa
Pudendal nerve, internal pudendal artery and vein

71
Q

Levator ani origin and insertion

A

Origin: Posterior surface of superior pubic ramus
Inserts: Rectum + counterpart

72
Q

Femoral Canal

A
73
Q

Spermatic cord exits this before going to the testis

A

Superficial inguinal ring

74
Q

Layers of spermatic cord

A

ICE
Internal spermatic fascia
Cremasteric fascia
External spermatic facia

75
Q

Contents of spermatic cord

A

Ductus deferens: Also known as the vas deferens, this is a tube that carries sperm
Testicular artery
Artery of the ductus deferens
Cremasteric artery: An artery in the spermatic cord
Pampiniform plexus: A network of veins in the spermatic cord
Genital branch of the genitofemoral nerve
Testicular nerve fibres: Nerves in the spermatic cord that transmit sympathetic information
Lymphatic vessels
Tunica vaginalis
Connective tissue and muscular coverings: Derived from the abdominal musculature that form the inguinal canal

76
Q

Joint visible on MRI between the ilium, ischium and pubis

A

Triradiate cartilage

77
Q

Origins and inserts of greater trochanter

A

Insertions: Obturator internus, gemelli, piriformis, gluteus minimus, gluteus medius

Origin: Vastus Lateralis

78
Q
A

A - Puic symphysis
B - Obturator Internus
C - Sartorius
D - Pectineus
E - Rectus femoris

79
Q
A

A - Urinary bladder
B - Left sacral alum
C - Right Ovary
D - Left inferior acetabulum
E - Right erector spinae

80
Q

Combined insertion of gluteus maximus

A

Combined insertion:
Iliotibial tract
Greater tuberosity of the femur

81
Q

Y-shaped growth plate that connects the ilium, pubis, and ischium bones in the immature skeleton

A

Triradiate cartialage

82
Q

Origins for pubic bone

A

PAAAG
(GI 899)

83
Q

Origins for ischial tuberosity

A

Medius higher and covers minimum
Maximus lower wider and covers lower half of medius

https://mrimaster.com/anatomy-hip-coronal/

84
Q

Position of gluteal muscles

A
85
Q
A

A - Adductor longus
B - Left Gluteus Maximus
C - Right Ischium
D - Quadratus Femoris
E - Adductor Magnus (shared origin)

86
Q

What is B

A

B - Retropubic venous plexus of Santorini (920)

87
Q
A

A - Right ischiocavernosus muscle
B - Bulbospongiosus muscle
C - Rt spermatic cord
D - External anal sphincter
E - Left obturator externus

88
Q

On T2, the endometrium, endocervical canal and vaginal canal all have a

A

High signal intensity

89
Q
A

A - Seminal vesicle (T1)
B - Mesorectal fascia containing peri- and pararectal fat)
D - Natal cleft
E - Right coccygeus

90
Q

Rectum

A

Rule of 3s
- Starts at S3, 13cm long
- 3 Lateral folds = Valves of Houston
- Lower 1/3rd is extraperitoneal