Term
| What portion of the Liver receives both Rt. and Lt. portal branches |
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Definition
| The caudate lobe receives branches from both the rt. and lt. portal veins. It also drains directly into the IVC. |
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Term
| Describe the sonographic appearance of focal fatty sparing. |
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Definition
| Focal fatty sparing appears as islands of normal liver parenchyma, which appear as hypoechoic masses within a dense fatty infiltrated liver. Focal fatty sparing is commonly seen adjacent to the gallbladder. |
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Term
| What is the orientation of structures that enter and exit the renal hilum? |
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Definition
| At the hilum of the kidney: the vein exits anteriorly, the artery enters between the vein and ureter, the ureter exits posteriorly. |
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Term
All of these are anatomic anomalies that appear as pseudotumors of the kidney except...
A. column of Bertin
B. Dromedary hump
C. hydronephrosis
D. fetal lobulation |
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Definition
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Term
| What are the two most common causes of pancreatitis? |
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Definition
| Alcohol abuse and biliary calculi are the most common causes of pancreatitis. |
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Term
| What pathology causes intrahepatic biliary dilation without extrahepatic biliary dilation? |
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Definition
| A Klatskin tumor causes intrahepatic biliary dilation without extrahepatic biliary dilation. Klatskin tumor is a specific type of cholangiocarcinoma. It is located at the hepatic hilum at the junction of the rt. and lt. hepatic ducts. |
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Term
The 3 branches of the celiac axis include all of these except....
A. Common hepatic artery
B. Gastroduodenal
C. Lt. gastric artery
D. Splenic artery |
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Definition
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Term
| Describe the sonographic appearance of retroperitoneal fibrosis.... |
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Definition
| Sonographically as a smooth-marginated, hypoechoic soft-tissue mass encasing the aorta and inferior vena cava. |
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Term
| Undescended testis (cyrptorchidism) is a common genitourinary anomaly. Where is the undescended testicle normally found? |
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Definition
| 80% of the undescended testes lie at the level of the inguinal canal. |
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Term
| Where is a thyroglossal duct cyst located? |
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Definition
| A congenital anomaly that appears as a superficial cyst in the midline of the neck anterior to the trachea and superior to the thyroid. |
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