Imaging

Sialolithiasis

Preliminary Diagnosis: Sialolithiasis

I. What imaging technique is first-line for this diagnosis?

CT soft tissue neck with contrast.

II. Describe the advantages and disadvantages of this technique for diagnosing sialolithiasis.

Advantages

  • Able to detail the complex vascular, lymphatic, and soft tissue structures of the neck.

  • Able to detail a dilated salivary gland duct often seen in patients with sialolithiasis and able to localize any obstructing mineralized stone.

  • Able to detail any secondary complications or causative agents noted in patients with sialolithiasis.

  • A relatively inexpensive, fast imaging modality.

Disadvantages

  • Exposes patients to ionizing radiation.

III. What are the contraindications for the first-line imaging technique?

May be contraindicated in pregnant patients.

IV. What alternative imaging techniques are available?

Ultrasound

V. Describe the advantages and disadvantages of the alternative techniques for diagnosing sialolithiasis.

Advantages

  • Highly portable and inexpensive imaging modality.

  • Does not expose a patient to ionizing radiation.

Disadvantages

Not able to visualize posterior to bone or air.

VI. What are the contraindications for the alternative imaging techniques?

No specific contraindications to ultrasonography exist.

You must be a registered member of Clinical Advisor to post a comment.
close

Next Article in Imaging

Sign Up for Free e-newsletters