Maki Renal imaging
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What radiologic studies need contrast? | CT scan
Intravenous Pyelogram
MR Angiogram
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Which studies have radiation? | X-ray
IVP
CT
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Which studies don't have radiation? | Ultrasound
MRI
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What is the most common renal mass and how do you find them? | Simple renal cysts (90% of all masses)
Seen on ultrasound as anechoic areas (smooth, round, black hole)
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What is the most common renal cancer? | Renal adenocarcinoma
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What does trauma to the kidney look like? | Blood extending out in to Gerota's fascia
There may be damage to the pancrease
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Name, in order, the studies you order to look for kidney abnormalities. | Plain film X-ray
IVP (not so much)
CT scan (if looking for stones, don't use contrast)
Ultrasound
MRI
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What are the contraindication for contrast use in IVP? | Hx of hypersensitivity
Combined renal and hepatic dz
Oliguria
Diabetes with renal insufficiency
Glucophage
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How long does an IVP take? | 20 minutes
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What does the kidney look like on ultrasound? | A football (long axis view)
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What muscle do the kidneys travel next to? | The psoas
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Name urine draining kidney anatomy going from proximal to distal. | (CIPU)
Calyx
Infundibulum
Pelvis
Ureter
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What does a full column seen in IVP indicate? | Possible obstruction
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True/False Larger stones cause more pain. | False
They cause less.
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What organisms are staghorn calculi associated with? | Proteus
Klebsiella
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If you suspect a calculi, list the imaging studies in order. | Abdominal X-ray
Renal CT
IVP
Renal Ultrasound
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What does a renal cyst look like on CT? | No visible wall
Sharply marginated
Low density (0-10 H.U.)
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What is the density of fat on CT? | -10 to -40
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Where does renal cancer metastasize most often? | Lung, but also to the bone and brain.
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What percentage of pts have metastasis at time of Dx? | About 1/3
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What is a bear paw sign? | Seen on IVP as a sign of hydronephrosis
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What is the range for normal kidney size? | Between 9am and 13cm
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In a horseshoe kidney, where are they connected? | They are fused at the lower poles
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What is the best way to visualize the adrenal glands? | Best imaged with CT
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What does adrenal adenoma look like on CT? | Round, mass with Ct numbers <0
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Name some causes of Renal lacerations. | MVA
Falls and fights
Contact sports
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What is the mechanism of renal lacerations? | Direct blow compress the thorax and causes laceration by lower ribs
Accel/decel injuries can produce renal artery tears
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What are some signs and symptoms with RL? | >95% hematuria
24% don't have hematuria
1-2% only have microhematuria
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Created by:
bcriss
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