Imaging
Polycystic Kidney Disease
- Preliminary Diagnosis: Polycystic Kidney Disease
-
I. What imaging technique is first-line for this diagnosis?
- II. Describe the advantages and disadvantages of this technique for diagnosing polycystic kidney disease.
-
III. What are the contraindications for the first-line imaging technique?
-
IV. What alternative imaging techniques are available?
- V. Describe the advantages and disadvantages of the alternative techniques for diagnosing polycystic kidney disease.
- VI. What are the contraindications for the alternative imaging techniques?
Preliminary Diagnosis: Polycystic Kidney Disease
I. What imaging technique is first-line for this diagnosis?
Gray scale and Color Doppler sonographic evaluation of the kidneys.
II. Describe the advantages and disadvantages of this technique for diagnosing polycystic kidney disease.
Advantages
Highly portable and a relatively inexpensive imaging modality.
Does not expose patients to ionizing radiation.
Details the vascularity of renal cystic lesions with great sensitivity and specificity.
May help guide treatment.
Disadvantages
Less adept in detailing any abnormally enhancing soft tissue component.
Less adept in detailing and characterizing the surrounding anatomical structures.
III. What are the contraindications for the first-line imaging technique?
No specific contraindications exist.
IV. What alternative imaging techniques are available?
CT of the abdomen and pelvis with IV contrast
MR of the abdomen and pelvis with IV contrast
V. Describe the advantages and disadvantages of the alternative techniques for diagnosing polycystic kidney disease.
CT of the abdomen and pelvis with IV contrast
Advantages
Highly sensitive and specific in detecting and characterizing renal cystic lesions.
Offers exquisite detail of any enhancing soft tissue components.
May help guide treatment and therapy.
Disadvantages
Exposes patients to ionizing radiation.
Less portable.
MR of the abdomen and pelvis with IV contrast
Advantages
Highly specific in characterizing the fluid within the renal cysts.
Does not expose patients to ionizing radiation.
Disadvantages
Expensive.
Time consuming.
May be subject to motion artifact and susceptibility weighted artifact, degrading image quality.
Less adept in guiding therapy and treatment.
VI. What are the contraindications for the alternative imaging techniques?
CT of the abdomen and pelvis with IV contrast
May be contraindicated in pregnant patients.
MR of the abdomen and pelvis with IV contrast
May be contraindicated in patients with non MR compatible hardware.
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