Thyroid cancer

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This editable Main Article is under development and subject to a disclaimer.

[edit intro]

Thyroid cancer is cancer of the thyroid gland.[1]

## Contents

* 1 Classification
* 1.1 Differentiated tumors
* 1.2 Poorly differentiated tumors
* 2 Epidemiology
* 2.1 Staging information
* 3 Prognosis
* 4 Treatment
* 4.1 Chemotherapy
* 5 References

## Classification[edit]

### Differentiated tumors[edit]

The differentiated thyroid cancers are:[2]

* Papillary
* Follicular

### Poorly differentiated tumors[edit]

* Medullary
* Anaplastic

## Epidemiology[edit]

A study of autopsies in Finland found that 36% of subjects had papillary thyroid cancer.[3]

Thyroid cancer may be present 5-10% of patients with thyroid nodules including incidentalomas.[4]

### Staging information[edit]

Thyroid cancer staging information from the National Cancer Institute's Physician Data Query

## Prognosis[edit]

Thyroid cancer - survival.

## Treatment[edit]

### Chemotherapy[edit]

Chemotherapy is usually reserved for poorly differentiated tumors, medullary[5] and anaplastic[6] thyroid cancer.

## References[edit]

1. ↑ Sherman SI (2003). "Thyroid carcinoma.". Lancet 361 (9356): 501-11. PMID 12583960.
2. ↑ Schlumberger MJ (1998). "Papillary and follicular thyroid carcinoma.". N Engl J Med 338 (5): 297-306. PMID 9445411.
3. ↑ Harach HR, Franssila KO, Wasenius VM (August 1985). "Occult papillary carcinoma of the thyroid. A "normal" finding in Finland. A systematic autopsy study". Cancer 56 (3): 531–8. PMID 2408737. [e]
4. ↑ Tan GH, Gharib H (February 1997). "Thyroid incidentalomas: management approaches to nonpalpable nodules discovered incidentally on thyroid imaging". Ann. Intern. Med. 126 (3): 226–31. PMID 9027275. [e]
5. ↑ Medullary Thyroid Cancer. National Cancer Institute. Retrieved on 2010-04-13.
6. ↑ Anaplastic Thyroid Cancer. National Cancer Institute. Retrieved on 2010-04-13.