Goitre - Morphology

Morphology

Regarding morphology, goitres may be classified either as the growth pattern or as the size of the growth:

Growth pattern
  • Uninodular (struma uninodosa): can be either inactive or a toxic nodule
  • Multinodular (struma nodosa): can likewise be inactive or toxic, the latter called toxic multinodular goitre
  • Diffuse (struma diffuse): the whole thyroid appearing to be enlarged.
Size
  • Class I (palpation struma): in normal posture of the head, it cannot be seen; it is only found by palpation.
  • Class II: the struma is palpative and can be easily seen.
  • Class III: the struma is very large and is retrosternal; pressure results in compression marks.
  • Struma nodosa (Class II)

  • Struma with autonomous adenoma

  • Struma Class III

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