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[Some ecomorphologic aspects of nodular goiter].

Annunziata Cavallaro1, Mario Costanzo, Alessia Marziani

  • 1Università degli Studi di Catania, Dipartimento Scienze chirurgiche, Trapianti d'Organo e Tecnologie avanzate, Unità Operativa Clinicizzata di Endocrinochirurgia P.O.U. "S. Luigi - Santi Currò".

Annali Italiani Di Chirurgia
|May 24, 2007
PubMed
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Microcalcifications in nodular goiter are common, especially Type III. While often benign, certain ultrasound features, including microcalcifications, can indicate tumoral pathology requiring careful interpretation.

Area of Science:

  • Endocrinology
  • Radiology
  • Oncology

Background:

  • Nodular thyroid disease is common, with calcifications appearing in a significant percentage of cases.
  • The role of microcalcifications in differentiating benign from malignant thyroid nodules remains an area of active research.

Purpose of the Study:

  • To investigate the prevalence and characteristics of microcalcifications in nodular goiter.
  • To classify different types of microcalcifications observed via ultrasound.
  • To identify specific ultrasound features associated with tumoral pathology in thyroid nodules.

Main Methods:

  • Ultrasound examinations were performed on 655 patients over twelve months.
  • Microcalcifications were classified into four types, and their prevalence in various thyroid conditions was analyzed.

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  • Correlation between microcalcifications, other ultrasound features (hypoechogenicity, irregular outline), and tumoral pathology was assessed.

    • Main Results:

    • Microcalcifications were present in 32.3% of patients, with Type III being the most common (81.8%).
    • Higher microcalcification rates were observed in multinodular goiter (55.17%) compared to inflammatory disease (28.9%) and single nodules (18.18%).
    • "Suspect" microcalcifications were found in 9% of all thyroid pathologies and 12% of multinodular goiters. Ultrasound features like hypoecogenicity and irregular nodule outline were also noted as suspect.

    Conclusions:

    • Ultrasonography requires meticulous interpretation of morphological data for accurate diagnosis.
    • Characterizing microcalcifications and other ultrasound features is crucial for identifying potentially malignant thyroid lesions.
    • While microcalcifications can be associated with tumors, their interpretation must be integrated with other sonographic findings.