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C-cells in colloid goiter.

Marcus A Lima1, Fabiana S Tiveron, Vitorino M Santos

  • 1Disciplines of Endocrinology, Internal Medicine and Biostatistics, Faculty of Medicine of the Tri ngulo Mineiro, Uberaba, Minas Gerais, Brazil.

Revista Do Hospital Das Clinicas
|February 6, 2004
PubMed
Summary
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Colloid goiters show a significant reduction in C-cells compared to normal thyroids. This suggests that the goiter

Area of Science:

  • Endocrinology
  • Thyroid Pathology
  • Histology

Background:

  • Colloid goiters are characterized by thyroid gland enlargement.
  • C-cells, also known as parafollicular cells, produce calcitonin.
  • The role of C-cells in colloid goiter pathogenesis is not fully understood.

Purpose of the Study:

  • To quantitatively assess the number of C-cells in human colloid goiters.
  • To compare C-cell density in goiter tissues versus normal thyroid tissue.
  • To investigate potential changes in C-cell populations during goiter development.

Main Methods:

  • Thyroidectomy specimens from patients with colloid goiter (n=24) and normal controls (n=12) were analyzed.
  • Immunohistochemistry using a monoclonal anticalcitonin antibody was performed on sampled thyroid tissue.

Related Experiment Videos

  • C-cells were counted per square centimeter, and data were statistically analyzed using the Mann-Whitney test.

    • Main Results:

    • C-cell counts in colloid goiters ranged from 0 to 23 cells/cm².
    • Normal thyroid tissue exhibited a C-cell range of 20 to 148 cells/cm².
    • A statistically significant decrease in C-cell number was observed in the colloid goiter group.

    Conclusions:

    • Colloid goiters exhibit a marked reduction in C-cell numbers compared to normal thyroid glands.
    • The hyperplastic process in colloid goiters appears to primarily involve follicular cells.
    • C-cells may be negatively impacted by altered trophic stimuli in the goitrous thyroid environment.