AI Article Synopsis
- Papillary thyroid microcarcinomas (PTMCs) frequently spread to lateral lymph nodes, prompting a study on whether tumor size should guide decisions on the extent of surgery.
- The research compared patients with PTMCs to those with larger papillary thyroid carcinoma (PTC), revealing differences in metastasis characteristics but no distinct patterns or counts in lateral lymph node spread between the two.
- The findings suggest that using tumor size alone to dictate lateral neck dissection might not be accurate, as the metastatic patterns were similar regardless of tumor size.
Article Abstract
Background: Papillary thyroid microcarcinomas (PTMCs) often demonstrate lateral lymph node (LN) metastasis. The purpose of this study was to assess whether the size of primary tumor should be considered in deciding lateral neck dissection extent.
Methods: We conducted a retrospective comparison of patients with PTMC and papillary thyroid carcinoma (PTC) larger than 1 cm who received lateral LN dissection from 2009 to 2015.
Results: PTMC group had more frequent metachronous metastasis, multifocality, less involvement of lower third thyroid, lower metastatic central LN counts and ratio, and lower metastatic total LN ratio. The two groups showed no difference in lateral LN metastatic pattern. Male and lymphovascular invasion were more often found in PTMCs with synchronous lateral LN metastatic events than metachronous presentations.
Conclusions: Relying on the size of the tumor to determine lateral neck dissection extent could be unreliable, because there is no observed difference in lateral neck metastatic count and pattern between PTC and PTMCs.
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| http://dx.doi.org/10.1002/hed.25570 | DOI Listing |
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