A 36-year-old woman presents with a palpable thyroid nodule discovered on routine examination. Vital signs are normal (BP 118/76 mmHg, HR 72 bpm, RR 16, Temp 37°C). TSH is normal at 1.2 mIU/L. Fine needle aspiration cytology is nondiagnostic. Hemithyroidectomy is performed. Histologic examination of normal thyroid tissue adjacent to the nodule would most likely demonstrate which of the following features?
- A)Tubuloacinar glands with centroacinar cells
- B)Cords of chief cells without follicles
- C)Colloid-filled follicles lined by simple cuboidal epitheliumGABARITO
- D)Pseudostratified ciliated columnar epithelium
- E)Stratified squamous epithelium with keratin
Explicação
The thyroid gland is composed of colloid-filled follicles lined by simple cuboidal epithelium. Follicular cells synthesize thyroglobulin and thyroid hormone precursors, which are stored in the colloid. The thyroidectomy context and adjacent normal gland archit... Ver explicação completa e trilha adaptativa →