US

Question 1

Target Lesion in Liver

Answer 1

1) Mets
2) HCC
3) Lymphoma
4) FNH
5) Adenoma

Question 2

Cystic Liver Lesion

Answer 2

1) Simple cyst
2) Abscess
3) Hematoma
4) Biloma
5) Necrotic tumor
6) Cystic met
7) Biliary cystadenoma
8) Biliary hamartoma
9) Aneurysm

Question 3

Liver Lesion w/ Calcification

Answer 3

1) Sequela from hematoma
2) Sequela from abscess
3) Fibrolamellar HCC
4) Calcified met
5) Biliary stone
6) Granuloma

Question 4

Solid Pancreatic Mass

Answer 4

1) AdenoCa
2) NET
3) Met
4) Lymphoma
5) Focal pancreatitis
6) SPEN

Question 5

Cystic Pancreatic Lesion

Answer 5

1) Serous cystadenoma
2) Mucinous cystic neoplasm
3) IPMN
4) SPEN
5) Cystic met
6) Abscess
7) Hematoma
8) Simple cyst (VHL)
9) Pancreatic pseudocyst
10) Walled-off necrosis

Question 6

Complex Cystic Renal Mass

Answer 6

1) Complicated cyst (hemorrhage, infection)
2) Septated cyst
3) Abscess
4) Hematoma
5) Cystic RCC
6) Multilocular cystic nephroma

Question 7

Solid Renal Mass

Answer 7

1) AML
2) Oncocytoma
3) Column of Bertin
4) Focal pyelonephritis
5) RCC
6) Lymphoma
7) Mets
8) Urothelial carcinoma

Question 8

Urothelial Thickening

Answer 8

1) Obstruction
2) Stone
3) Infection
4) Urothelial carcinoma
5) Transplant rejection
6) Ureteric stent

Question 9

Signs of Stenosis (Central Arteries)

Answer 9

1) Inc PSV
2) Tardus-Parvus Waveform (systolic acceleration > 70ms)
3) Upstream RI > 0.7
4) Downstream RI < 0.5
5) Aliasing at site of stenosis

Question 10

Signs of Stenosis (Peripheral Arteries)

Answer 10

1) Inc PSV distal:proximal > 2
2) Antegrade diastolic flow proximal to stenosis
3) Blunting of waveform

Question 11

AVF

Answer 11

1) Low resistance arterial waveform
2) Arterialization of venous waveform
3) Perivascular tissue vibration
4) visualization of connection

Question 12

Pseudoaneurysm

Answer 12

1) “Yin-Yang Sign” on colour Doppler (turbulent flow)
2) “To-and-Fro” Waveform on Spectral Doppler
- Blood enters during systole, exits during diastole

Question 13

DDx Scrotal Pearl

Answer 13

1) Torsed appendix testis
2) Calcified tunica albuginea cyst
3) Prior trauma

Question 14

DDx Endometrial Thickening

Answer 14

1) Polyp
2) Submucosal leiomyoma
3) Tamoxifen Rx
4) Cervicitis
5) Endometrial carcinoma

Question 15

DDx Cystic Ovarian Mass

Answer 15

1) Functional/Simple cyst
2) Corpus luteum
3) Hemorrhagic cyst
4) Endometrioma
5) Cystic teratoma
6) Serous cystadenoma/cystadenocarcinoma
7) Cystic met
8) Necrotic tumor

Question 16

DDx Solid Ovarian Mass

Answer 16

1) Pedunculated fibroid
2) Brenner tumor
3) Sertoli-Leydig tumor
4) Teratoma/Dermoid
5) Fibroma/Fibrothecoma/Thecoma
6) Mucinous neoplasm
7) Mets