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Mixed Echoic Thyroid Nodules on Ultrasound: Approach to Management
Yonsei Medical Journal ; : 812-819, 2012.
Artículo en Inglés | WPRIM | ID: wpr-93573
ABSTRACT

PURPOSE:

To evaluate malignancy risk according to ultrasound (US) features and size change on follow-up US in mixed echoic thyroid nodules and to suggest management guidelines thereof. MATERIALS AND

METHODS:

Among patients who underwent US-guided fine needle aspiration biopsy, 316 mixed echoic nodules in 303 patients were included after excluding the patients with pure solid or cystic nodules or without further cytopathologic evaluation. We evaluated malignancy risk according to US features and changes in size and shape on follow-up US.

RESULTS:

The malignancy rate was 31.6% (6 of 19) for nodules with suspicious US features and 2.7% (8 of 297) for nodules without suspicious US features (p<0.001). Among 265 nodules with no suspicious US features and initial benign cytology, 15 nodules with suspicious US change and decreased size, 25 nodules with no suspicious US change and increased size, and 225 nodules with no suspicious US change and no change in size were observed on follow-up USs. The malignancy risk thereof was 0%, 0% and 0.4%, respectively (p=1.000).

CONCLUSION:

Mixed echoic nodules with no suspicious US features and benign cytology can be followed up using US, as they revealed very low malignancy rates, even if they showed growth on follow-up US.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Neoplasias de la Tiroides / Nódulo Tiroideo / Biopsia con Aguja Fina Límite: Adulto / Femenino / Humanos / Masculino Idioma: Inglés Revista: Yonsei Medical Journal Año: 2012 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Neoplasias de la Tiroides / Nódulo Tiroideo / Biopsia con Aguja Fina Límite: Adulto / Femenino / Humanos / Masculino Idioma: Inglés Revista: Yonsei Medical Journal Año: 2012 Tipo del documento: Artículo