Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: CATLN
Calcitonin, Fine-Needle Aspiration Biopsy Needle Wash, Lymph Node
Useful For 
Suggests clinical disorders or settings where the test may be helpful
As an adjunct to cytologic examination of fine-needle aspiration specimens in athyrotic individuals treated for medullary thyroid carcinoma to confirm or exclude metastases in enlarged or ultrasonographically suspicious lymph nodes
Highlights
Measurement of calcitonin in fine-needle aspiration biopsy (FNAB)-needle washes improves the evaluation of suspicious lymph nodes in patients with a history of medullary thyroid carcinoma (MTC) when used in combination with cytology.
Calcitonin in needle washes is particularly useful in cases where the cytology result is nondiagnostic or indeterminate.
In athyrotic patients with a history of MTC, a fine-needle aspiration calcitonin value of 5.0 pg/mL and higher is suggestive of the presence of metastatic MTC in the biopsied lymph node.
Method Name A short description of the method used to perform the test
Electrochemiluminescence Immunoassay