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Immunohistochemical detection of the BRAF-V600E mutation on pre-operative fine needle aspiration biopsy (FNAB) from patients suspected for papillary thyroid carcinoma, using the mutation specific antibody VE1.
The BRAF mutation is reported to be present in approximately 50% of papillary thyroid carcinomas (PTC). The mutation has been associated with poor prognosis and more advanced disease stage. Therefore, pre-operative detection of the BRAF-V600E mutation may be of clinical interest in order to individualize treatment of patients with BRAF positive PTC.
FNABs are performed immediately before the thyroid operation, and BRAF-V600E detection using VE1 is performed on clots. The VE1 stain is compared to the mutation status of the removed cancer or control tissue using the Cobas test.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| BRAF immunohistochemistry (IHC) | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| BRAF detection on fine needle aspiration biopsy (FNAB) | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| Immunohistochemical detection of BRAF mutation on fine needle aspiration biopsy (FNAB) | Mutations status correlated to histological diagnoses and mutation status on histological samples | 1 day |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Aarhus University Hospital | Aarhus C | 8000 | Denmark |
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| ID | Term |
|---|---|
| D000077273 | Thyroid Cancer, Papillary |
| ID | Term |
|---|---|
| D000231 | Adenocarcinoma, Papillary |
| D000230 | Adenocarcinoma |
| D002277 | Carcinoma |
| D009375 | Neoplasms, Glandular and Epithelial |
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| D009370 |
| Neoplasms by Histologic Type |
| D009369 | Neoplasms |
| D013964 | Thyroid Neoplasms |
| D004701 | Endocrine Gland Neoplasms |
| D009371 | Neoplasms by Site |
| D006258 | Head and Neck Neoplasms |
| D004700 | Endocrine System Diseases |
| D013959 | Thyroid Diseases |