Head & neck · 2015
Quantitative reverse transcription polymerase chain reaction-based detection of thyroid-specific gene expression in fine-needle aspirate for thyroid cancer recurrence evaluation: a case report and review of the literature.
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Azoury Saïd C, Aufforth Rachel, He Mei, Yang Zhiming, Nilubol Naris, Kebebew Electron
Аннотация
BACKGROUND: Despite improved surveillance for patients after total thyroidectomy for cancer, there has yet to be a diagnostic method that detects recurrence with 100% accuracy.
METHODS: A 60-year-old woman with a family history of papillary thyroid cancer (PTC) underwent total thyroidectomy and radioactive iodine ablation. On postoperative surveillance, ultrasound examination of the neck demonstrated a focus concerning for recurrence and a fine-needle aspirate (FNA) was performed. The cytology report was nondiagnostic and, hence, RNA was extracted from the specimen followed by reverse transcription (cDNA), and quantitative real-time polymerase chain reaction (qRT-PCR) to detect thyroid-specific gene expression (thyroglobulin =Tg; sodium-iodide symporter = NIS; thyroperoxidase = TPO).
RESULTS: Expression of select thyroid-specific genes was demonstrated, and given the patient's remarkable cancer and family history, surgical resection was elected. Final pathology demonstrated follicular adenoma.
CONCLUSION: This case demonstrates a novel approach used in the evaluation for recurrent thyroid cancer as an adjunct to FNA cytology.
METHODS: A 60-year-old woman with a family history of papillary thyroid cancer (PTC) underwent total thyroidectomy and radioactive iodine ablation. On postoperative surveillance, ultrasound examination of the neck demonstrated a focus concerning for recurrence and a fine-needle aspirate (FNA) was performed. The cytology report was nondiagnostic and, hence, RNA was extracted from the specimen followed by reverse transcription (cDNA), and quantitative real-time polymerase chain reaction (qRT-PCR) to detect thyroid-specific gene expression (thyroglobulin =Tg; sodium-iodide symporter = NIS; thyroperoxidase = TPO).
RESULTS: Expression of select thyroid-specific genes was demonstrated, and given the patient's remarkable cancer and family history, surgical resection was elected. Final pathology demonstrated follicular adenoma.
CONCLUSION: This case demonstrates a novel approach used in the evaluation for recurrent thyroid cancer as an adjunct to FNA cytology.
Предметные рубрики MeSH
Biopsy, Fine-NeedleCarcinomaCarcinoma, PapillaryFemaleFollow-Up StudiesGene Expression Regulation, NeoplasticGenetic Predisposition to DiseaseHumansImmunohistochemistryMiddle AgedNeoplasm Recurrence, LocalReal-Time Polymerase Chain ReactionReoperationSymportersThyroid Cancer, PapillaryThyroid NeoplasmsThyroidectomyTreatment OutcomeSodium-Iodide Symporters