Anatomy Of Liver In Usg

Question 1

Caudate lobe identification?

Answer 1

Between fissure for ligamentum venosum and horizontal segment of left portal vein anteriorly and ivc posteriorly

Question 2

Papillary process?

Answer 2

Anteromedial extension of caudate lobe which can mimic lymphadenopathy

Question 3

Separation of right and left lobes?

Answer 3

Middle hepatic vein
And
Line between gb fossa anteriorly and ivc posteriorly

Question 4

Ligaments of liver

Answer 4

Ligamentum teres - obliterated umbilical vein
Falciform ligament - conducts umbilical vein to liver
Ligamentum venosum - ductus venosus - umbilical vein to ivc
Extension to right - coronary ligament
Extension to left - left triangular ligament
Bare area without peritoneal covering - in posterosuperior aspect

Question 5

Congenital abnormalities of liver

Answer 5

Liver cysts
Peribiliary cysts: around hilum cyst
Adpkd: normal lft as compared to arpkd: not associated with hepatic fibrosis
Biliary hamartoma: von meyenberg complexes: small dilated groups of biliary ducts in collagenous stroma, showing ring down artifact sometime, can also be hypoechoic