Ultrasonographic Classification of the Metastases to the Thyroid Gland

Lee, Kwang Hwi; Shin, Jung Hee; Han, Boo‐Kyung; Ko, Eun Young; Hahn, Soo Yeon; Ryu, Ji Hwa

doi:10.11106/cet.2015.8.1.67

Cited by 1 publication

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“…Additionally, there are other reports about metachronous nodular-type metastasis to the thyroid gland from breast cancer ( 5 ). On the other hand, Lee et al ( 6 ) divided thyroid metastases into diffuse non-mass-forming lesion (type I), solitary suspicious malignant nodule (type II), multiple nodules suspected to be malignant (type III), and metastatic thyroid nodule(s) with no suspicion of malignancy (type IV). Our case could be classified as diffuse type or type I according to the categorization of Satio et al ( 2 ) and Lee et al ( 6 ) Because a diffuse sclerosing variant of papillary thyroid carcinoma (PTC) may also be seen as diffusely scattered microcalcification on US, which is similar to our finding, a diffuse sclerosing variant of PTC can be included in differential diagnosis.…”

Section: Discussionmentioning

confidence: 99%

Ultrasonographic Features and the Diagnostic Role of Core Needle Biopsy at Metastatic Breast Cancer in the Thyroid gland: A Case Report

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et al. 2020

J Korean Soc Radiol

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Metastases to the thyroid gland have rarely been reported in clinical settings, and the thyroid gland is an uncommon site for breast carcinoma metastasis. We report a case of a 64-year-old breast cancer patient diagnosed with metastatic breast carcinoma in the thyroid gland after performing ultrasonography (US)-guided core needle biopsy (CNB) and subsequent total thyroidectomy. On US, the thyroid lesion appeared to be mildly enlarged with multiple internal hypoechoic lines and a few microcalcifications without mass formation. Under US-guidance, CNB was performed by targeting the area with microcalcifications and subsequently diagnosed as metastatic breast carcinoma. Total thyroidectomy revealed that the patient had metastatic invasive ductal carcinoma of the breast with lymphatic spread involving both lobes and the isthmus of the thyroid gland. Although the thyroid gland is an uncommon metastatic site, the unusual features of thyroid metastasis can be observed on US; thus, US-guided CNB effectively aids the diagnosis of thyroid metastasis.

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