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: Ammu Susheela, M.D. [2]
Overview
Neck ultrasound may be performed to detect papillary thyroid cancer.
Ultrasound
Ultrasound imaging is useful in the diagnosis and management of thyroid cancer. It is used for:[1]
- 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.[2]
- 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