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Iodine-123 SPECT of the thyroid in multinodular goiter
J J Chen1, N D LaFrance, R Rippin
1Department of Radtology, Johns Hopkins Hospital, Baltimore, MD 21205.
Summary
Iodine-123 SPECT imaging helps visualize large multinodular goiters and their impact on the airway. This functional and anatomical assessment aids in surgical planning for patients with swallowing difficulties.
Area of Science:
- Nuclear Medicine
- Endocrinology
- Radiology
Background:
- Multinodular goiter can cause significant airway compression and swallowing difficulties.
- Accurate anatomical and functional assessment is crucial for surgical planning.
Observation:
- Iodine-123 SPECT imaging was performed in two patients with multinodular goiter.
- SPECT provided detailed views of goiter extension and tracheal compression.
- Additional imaging confirmed vocal cord paralysis and esophageal compression in one patient.
Findings:
- SPECT imaging accurately delineated retrolaryngeal and posterior goiter extension.
- Tracheal compression and displacement were clearly visualized.
- SPECT findings correlated with surgical confirmation of tracheomalacia in one case.
Implications:
- Iodine-123 SPECT is a valuable tool for preoperative assessment of large multinodular goiters.
- It enhances understanding of goiter's relationship with the airway.
- Improved preoperative imaging can lead to better surgical outcomes.