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Imaging Studies Of Renal System
Dr.Ibrahim Abujarad
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Topics KUB IVP: intravenous pyelography Ultrasonography
CT scan & MRI studies Renal scan
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KUB KUB stands for: kidneys, ureter & bladder.
No contrast material is used, it is the same for plain abdominal X-ray to show the different abdominal & pelvic organs as soft tissue shadows. It is useful also to show radio-opaque renal stones.
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KUB
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IVP **What is an Intravenous Pyelogram (IVP)? An intravenous pyelogram (IVP) is an x-ray examination of the kidneys, ureters and urinary bladder that uses contrast material.
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How IVP will help in renal cases ??
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IVP **How does the procedure work?
In the IVP exam, iodine injected through a vein in the arm collects in the kidneys, ureters and bladder, giving these areas a bright white and sharply defined appearance on the x-ray images. **How is the procedure performed? outpatient basis. The patient is positioned on the table. The contrast material is then injected, usually in a vein in the patient's arm, followed by additional still images. hold very still. As the contrast material is processed by the kidneys a series of images is taken.
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IVP **Nephrogram: the contrast is condensed in the tissue of the kidney within 5 minutes **Pelvicalycal pyelograph: calyces: major 3 ( upper- middle- lower) minor :6-12 cup shaped at the end of major calyces each minor calyx has a neck and expanded extension (part of renal papilla) Pelvis of ureter : funnel shaped narrowing towards it is medial inferior angle 3 Constrictions of ureter: 1- at the junction with the renal pelvis. 2- as the ureter cross the pelvic brim at the bifurcation of the iliac artery. 3- as it enters the bladder.
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At 5 Min
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At 10 min
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At 15 min
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Ultrasonography Initial study to evaluate kidney size, nature of renal masses (solid or cystic) Doppler U/S to assess renal vasculature.
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Ultrasonography
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Ultrasonography
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CT scan
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3d ct scan
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MRI
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MRI Angiography
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Renal scan A renal scan is a nuclear medicine exam in which a small amount of radioactive material (radioisotope) is used to measure the function of the kidneys.
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Thank You
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