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Thyroid nodules with Bethesda System IV Cytology: Can Ultrasonography Differentiate Malignancy from Benign?
Journal of the Korean Society of Medical Ultrasound ; : 120-127, 2013.
Article in English | WPRIM | ID: wpr-725539
ABSTRACT

PURPOSE:

The purpose of this study is to identify clinical and imaging parameters that can be used in differentiation of benign versus malignancy of preoperative FNA diagnosis of Bethesda system IV nodules. MATERIALS AND

METHODS:

We analyzed clinical, ultrasonographic, and CT findings of 28 thyroid nodules with Bethesda system IV cytology on FNA, which were proven as follicular or Hurthle cell neoplasms on surgical pathology.

RESULTS:

No statistically significant differences according to age, sex, and ultrasonographic parameters, including echogenicity, margin, calcification, shape, cystic component, and degree of vascularity and enhancement on CT were observed between benign and malignant follicular neoplasms. Only the lesion size was significantly different (p<0.05).

CONCLUSION:

The size of follicular neoplasm is predictive of malignancy. If a thyroid nodule with the Bethesda IV cytology is larger than 24.5 mm, there will be a greater probability of malignancy.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Thyroid Gland / Thyroid Nodule Type of study: Prognostic study Language: English Journal: Journal of the Korean Society of Medical Ultrasound Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Thyroid Gland / Thyroid Nodule Type of study: Prognostic study Language: English Journal: Journal of the Korean Society of Medical Ultrasound Year: 2013 Type: Article