Poorly differentiated thyroid cancer

From WikiMD's Wellness Encyclopedia


Poorly differentiated thyroid carcinoma is malignant neoplasm of follicular cell origin showing intermediate histopathological patterns between differentiated and undifferentiated thyroid cancers.[1]

Histopathology[edit | edit source]

  • Presence of small cells with round nuclei and scant cytoplasm with a diffuse solid pattern
  • Round or oval nests (insulae) or in trabeculae.
  • Solid growth and presence of microfollicles, some of which contain dense colloid.
  • Extrathyroidal extension and blood vessel invasion
  • Foci of necrosis,
  • Larger than 5 cm in greatest diameter at diagnosis

Epidemiology[edit | edit source]

  • PDTC affects predominantly females about 55 years of age

References[edit | edit source]

External links[edit | edit source]

Classification




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Contributors: Prab R. Tumpati, MD