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[Echo-color Doppler in thyroid disease]
Insights
Color-Doppler ultrasound identified four thyroid blood flow patterns in patients with thyroid disease. This technique shows promise for reducing the need for thyroid scintigraphy and needle biopsies.
Area of Science:
- Endocrinology
- Medical Imaging
Background:
- Thyroid diseases encompass a range of conditions affecting thyroid function and structure.
- Accurate diagnosis of thyroid pathologies is crucial for effective patient management.
- Current diagnostic methods like scintigraphy and needle biopsy can be invasive or resource-intensive.
Purpose of the Study:
- To investigate the utility of color-Doppler ultrasound in characterizing different thyroid diseases.
- To establish reference patterns of glandular blood flow for various thyroid conditions.
Main Methods:
- Color-Doppler ultrasound examinations were performed on 166 patients with thyroid diseases and 41 healthy volunteers.
- Four distinct patterns of glandular vascularization were identified and correlated with specific thyroid pathologies.
Main Results:
- Pattern III (peri- and intranodular flow) was common in goiters and autonomous nodules.
- Pattern II (perinodular flow) was observed in nodular lesions.
- Pattern IV (increased vascularization) was characteristic of Graves' disease and hyperplastic goiters.
Conclusions:
- Color-Doppler ultrasound demonstrates potential in differentiating various thyroid diseases based on vascular patterns.
- This imaging modality may reduce the reliance on thyroid scintigraphy and US-guided needle biopsies for diagnosis.
Abstract:
One-hundred and sixty-six patients affected with thyroid diseases were examined, together with 41 healthy volunteers, by means of color-Doppler US. Four main reference patterns were identified: no appreciable glandular flow (I); presence of signal in perinodular location (II); peri- and intranodular flow (III); increased vascularization (IV). In 72 cases, parenchymal and nodular goiters, with no signs of thyroid hyperfunction, were characterized as belonging to pattern III, while pattern II was observed in 57 nodular lesions; only in 7 patients was pattern III detected. Hyperfunctioning autonomous nodules exhibited pattern III in 10/11 cases and the same pattern was followed by the six carcinomas. Pattern IV resulted peculiar to Basedow disease and to glandular hyperplasia related to high values of circulating thyroid hormone (6 cases). When color-Doppler specificity in typifying the major thyreopathies can be confirmed, the possibility is actually in sight of reducing, in the near future, the number of thyroid scintigraphies and of US-guided needle biopsies.