Thyroid Tumors 

1. Commonest Malignancy of Endocrine System ?: 


Thyroid Carcinoma

2. Commonest, Overall, Tumor of Thyroid Gland?: 


Follicular Adenoma

3. Commonest Benign Neoplasm of Thyroid Gland ?: 


Follicular Adenoma

4. Commonest Malignant Neoplasm of Thyroid Gland ?: 


Papillary Thyroid Carcinoma (PTC)

5. Commonest Lymphoma Originating in Thyroid Gland ?: 


Diffuse Large B-Cell Lymphoma

6. Commonest Site of Origin of Thyroid Cancer ?: 


Thyroid Follicular Epithelium

7. Most Malignant Thyroid Carcinoma ?: 


Anaplastic Carcinoma

8. Least Maliganant Thyroid Carcinoma ?: 


Papillary Thyroid Carcinoma (PTC)

9. Thyroid Carcinoma with worst prognosis ?: 


Anaplastic Carcinoma

10. Thyroid Carcinoma with Best Prognosis ?: 


Papillary Thyroid Carcinoma (PTC)

11. Commonest Thyroid Carcinoma presenting as Solitary Cold Nodule ?: 


Follicular Thyroid Carcinoma (FTC)

12. Commonest Thyroid Carcinoma associated with Previous Exposure to Ionizing Radiation ?: 


Papillary Thyroid Carcinoma (PTC)

13. Earliest Manifestation of Symptomatic Papillary Thyroid Carcinoma (PTC) ?: 


Mass in Cervical Lymph Nodes

14. Commonest Site for Distant Metastases for Papillary Thyroid Carcinoma (PTC) ?: 


Lungs

15. Most Aggressive and Most Fatal Thyroid Cancer ?: 


Anaplastic Thyroid Carcinoma

16. Commonest variety of Medullary Thyroid Carcinoma (MTC) ?: 


Sporadic

17. Commonest feature of MEN-2A ?: 


Medullary Thyroid Carcinoma (MTC)

18. Commonest Feature of MEN-2B ?: 


Medullary Thyroid Carcinoma (MTC)

19. MTC in MEN-2 is more commonly associated with ?: 


MEN-2A > MEN-2B

20. MTC in MEN-2 is more Aggressively associated with ?: 


MEN-2B > MEN-2A

References

  1. Harrison's Principles of Internal Medicine, 19/e
  2. Goldman-Cecil : Medicine, 25/e
  3. Robbins & Cotran : Pathological Basis of Disease, 9/e
  4. Rubin's Pathology, 7/e
  5. Williams Endocrinology, 13/e

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