Follicular thyroid cancer diagnostic study of choice
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Follicular thyroid cancer Microchapters |
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Differentiating Follicular thyroid cancer from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ammu Susheela, M.D. [2]
Overview
Biopsy is the gold standard for diagnosing thyroid cancer. According to the American Joint Committee on Cancer (AJCC), there are 4 stages of follicular thyroid cancer based on the clinical features and findings on imaging. Each stage is assigned a letter and a number that designate the tumor size, number of lymph node regions involved, and metastasis.
Diagnostic Study of Choice
Study of Choice
- Biopsy is the gold standard for diagnosing thyroid cancer.[1]
- Biopsy can be taken by the following methods:
1. Fine Needle Aspiration Biopsy (FNAC)
- It involves extraction of thyroid tissue using a thin needle.
- The needle is inserted through the skin into the thyroid. Several tissue samples are taken from different parts of the thyroid.
2. Surgical Biopsy
- Surgical biopsy is the removal of the thyroid nodule or one lobe of the thyroid during surgery.
- On microscopic examination, trabecular follicular tumor cells that invade tumor capsule or surrounding vascular structures, are found.
Images of Biopsy Specimen
![Metastatic follicular thyroid carcinoma[2]](/index.php/File:Metastatic_follicular_thyroid_carcinoma_-_Case_264_(8558730243).jpg)
![Metastatic follicular thyroid carcinoma[3]](/index.php/File:Metastatic_follicular_thyroid_carcinoma_-_Case_264.jpg)
Staging[4]
| Stage | Description |
|---|---|
| TX |
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| T0 |
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| T1 | |
| T1a | |
| T1b | |
| T2 | |
| T3 |
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| T4a |
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| T4b |
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| Stage | Description |
|---|---|
| NX |
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| N0 |
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| N1 |
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| N1a |
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| N1b |
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| Stage | Description |
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| M0 |
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| M1 |
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| Stage | T | N | M |
|---|---|---|---|
| Follicular thyroid carcinoma | |||
| YOUNGER THAN 45 YEARS | |||
| I |
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| II |
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| 45 YEARS AND OLDER | |||
| I |
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| II |
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| III |
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| IVA |
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| IVB |
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| Stage IVC |
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Reference
- ↑ https://www.cancer.org/cancer/thyroid-cancer/detection-diagnosis-staging/how-diagnosed.html. Missing or empty
|title=(help) - ↑ http://librepathology.org/wiki/index.php/File:Metastatic_follicular_thyroid_carcinoma_-_Case_264_(8558730243).jpg Accessed on October, 29 2015
- ↑ http://librepathology.org/wiki/index.php/File:Metastatic_follicular_thyroid_carcinoma_-_Case_264_(8559837390).jpg Accessed on October, 29 2015
- ↑ Stage Information for Thyroid Cancer Cancer.gov (2015). http://www.cancer.gov/types/thyroid/hp/thyroid-treatment-pdq#link/stoc_h2_2- Accessed on October, 29 2015
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