Thyroid-specialized
Thyroid Cytopathology Partners (TCP) brings the kind of experience only gained from a high volume of cases, allowing clear and confident diagnoses.
Quality assurance
TCP adheres to a rigorous quality assurance program to facilitate clear, definitive and confident cytopathology diagnoses.
Customer service
TCP pathologists are here to support you with rapid turn-around-times and availability by phone.

The Chosen Partner for Afirma Thyroid FNA Analysis
TCP provides cytopathology review of cases submitted for the Afirma Thyroid FNA Analysis. As members of the largest, thyroid-specialized cytopathology practice, TCP pathologists adhere to the established Bethesda criteria, which facilitate clear, definitive and confident cytopathology diagnoses. For nodules diagnosed as indeterminate*, the Afirma Gene Expression Classifier (GEC) is applied and can objectively reclassify these cases as either benign1 or suspicious for malignancy.
About Thyroid Cytopathology Partners
Located in Austin, Texas, TCP provides cytopathology services exclusively to Veracyte, Inc., the provider of the Afirma Thyroid FNA Analysis. TCP pathologists are highly-trained, sub-specialized pathologists who collaborate and consult with each other on cases. The TCP team specializes in reviewing thyroid nodule FNAs, ensuring exposure to both common and rare thyroid lesions. Our diagnosis and detailed findings are integrated into the Afirma Thyroid FNA Analysis Patient Report.
† The Nondiagnostic category includes cases with a diagnosis of "Favor Benign."
* Indeterminate (Bethesda III/IV) includes atypia of undetermined significance or follicular lesion of undetermined significance (AUS/FLUS) and follicular neoplasm or suspicious for a follicular neoplasm (FN/SFN).
1. Negative predictive value >94%, Alexander EK, Kennedy GC, Baloch ZW, Cibas ES, Chudova D, Diggans J, et al. Preoperative Diagnosis of Benign Thyroid Nodules with Indeterminate Cytology. N Engl J Med. 2012;367:705-715.
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