Papillary thyroid cancer echocardiography or ultrasound
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sahar Memar Montazerin, M.D.[2] Ammu Susheela, M.D. [3]
Overview
Neck ultrasound may be performed to detect papillary thyroid cancer. In summary, ultrasound imaging findings suggestive of malignant thyroid nodule include microcalcification, peripheral and coarse calcification, solid, hypoechoic nodule, locally invaded nodule, and presence of posterior acoustic shadowing.
Ultrasound
- Ultrasound imaging is useful in the diagnosis and management of thyroid cancer. It is used for:[1][2]
- Evaluation of thyroid nodule characteristics
- Determination of nodule location during fine needle aspiration study
- Assessment of adjacent lymph node for the purpose of staging the cancer
- Post-surgical surveillance for early detection of tumor recurrence and/or nodal metastatic disease
- In summary, ultrasound imaging findings suggestive of malignant thyroid nodule include:
- Microcalcification
- Peripheral, coarse calcification
- Solid, hypoechoic nodule
- Locally invaded nodule (more commonly seen in anaplastic thyroid cancer and primary thyroid lymphoma)
- High anteroposterior/width ratio
- Irregular nodular margin
- Adjacent suspicious lymph node with a size greater than 2 cm
- Presence of posterior acoustic shadowing
- Additionally, ultrasound imaging has been observed to be useful in the diagnosis of non-palpable lymph node metastasis when used preoperatively.
- Key ultrasound Findings in papillary thyroid cancer include:
- Hypoechoic nodule in the majority of cases
- Microclacifications that are seen as tiny punctate echogenic foci within the nodule (most common finding)
- Posterior acoustic shadowing from the edges of the nodule
Ultrasound examples of papillary thyroid cancer
References
- ↑ Coquia, Stephanie F.; Chu, Linda C.; Hamper, Ulrike M. (2014). "The Role of Sonography in Thyroid Cancer". Radiologic Clinics of North America. 52 (6): 1283–1294. doi:10.1016/j.rcl.2014.07.007. ISSN 0033-8389.
- ↑ Stulak, John M. (2006). "Value of Preoperative Ultrasonography in the Surgical Management of Initial and Reoperative Papillary Thyroid Cancer". Archives of Surgery. 141 (5): 489. doi:10.1001/archsurg.141.5.489. ISSN 0004-0010.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Image courtesy of Dr Garth Kruger. Radiopaedia (original file ‘’here’’.Creative Commons BY-SA-NC