54-year-old female with small goitre for many years, a palpable nodule on the left side was noticed a year ago and slowly increasing in size and cosmetically disturbing; the nodule is mobile, and the patient has no breathing difficulties.
Ultrasound reveals a thyroidal node.
Scintigraphy: so called “cold” node
- Fine needle biopsy: cells of a highly differentiated, partly oncoyctic thyroidal tumor. Dignity not determinable. Partial thyroidectomy.
partiallly resected thyroid gland with node, diameter 3.4 cm, distinct capsule. No macroscopic disintegration of capsule.
- Compact tumour tissue, trabecular structure in some areas
- Cell strands partly solid, partly with microfollicles
- Mild cellular and nuclear pleomorphism
- Scarce mitoses
- Invasion of the tumor capsule
- Venous invasion
This tumour spreads haematogenously.