Imaging
Granulomas
- Preliminary Diagnosis: Granulomas
-
I. What imaging technique is first-line for this diagnosis?
- II. Describe the advantages and disadvantages of this technique for diagnosis of granulomas.
-
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 diagnosis of granulomas.
- VI. What are the contraindications for the alternative imaging techniques?
Preliminary Diagnosis: Granulomas
I. What imaging technique is first-line for this diagnosis?
Plain radiography
II. Describe the advantages and disadvantages of this technique for diagnosis of granulomas.
Advantages
Highly sensitive for diagnosing granulomas
Fast and inexpensive imaging modality
Portable
Disadvantages
Lacks specificity for diagnosing granulomas
III. What are the contraindications for the first-line imaging technique?
No specific contraindications to plain radiography exist. Some institutions may require consent for pregnant patients.
IV. What alternative imaging techniques are available?
CT imaging of the area of interest with and/or without contrast
V. Describe the advantages and disadvantages of the alternative techniques for diagnosis of granulomas.
CT imaging of the area of interest with and/or without contrast
Advantages
Highly sensitive and specific in detecting, characterizing, and diagnosing granulomas
May guide treatment and therapy
Offers more exquisite visualization of the surrounding soft tissues, osseous structures, and vasculature than plain radiography
Better characterizes the primary process and any secondary complications than plain radiography
Disadvantages
Exposes patients to ionizing radiation
Less portable and more of an expensive imaging modality compared to plain radiography
VI. What are the contraindications for the alternative imaging techniques?
CT imaging of the area of interest with and/or without contrast
May be contraindicated in pregnant patients
IV contrast relatively contraindicated in patients with renal failure or contrast allergy
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