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J Cardiothorac Surg. 2014 Mar 19;9:51. doi: 10.1186/1749-8090-9-51.

Recurrence after thymoma resection according to the extent of the resection.

Author information

1
Department of Thoracic and Cardiovascular Surgery, Yonsei University College of Medicine, Seoul, Korea. kychu@yuhs.ac.

Abstract

BACKGROUND:

Complete resection of the thymus is considered appropriate for a thymoma resection because any remaining thymic tissue can lead to local recurrence. However, there are few studies concerning the extent of thymus resection. Therefore, we conducted a retrospective study to investigate whether recurrence following thymoma resection correlated to the extent of resection.

METHODS:

Between 1986 and 2011, a total of 491 patients underwent resection of thymic epithelial tumors with curative intent. Of those, we excluded patients with an undetermined World Health Organization (WHO) histologic type, patients with type C thymoma, and patients who underwent incomplete resection (n = 21). The remaining 342 patients were reviewed retrospectively and compared recurrence according to the extent of resection.

RESULTS:

Extended thymectomy was performed in 239 patients (69.9%) and limited thymectomy was performed 103 patients (30.1%). In the extended thymectomy group, 29 recurrences occurred, and in the limited thymectomy group, 10 recurrences occurred.Comparing rates of freedom from recurrence between two groups, there was no significant statistical difference in total recurrence (p = 0.472) or local recurrence (p = 0.798). After matching patients by stage and tumor size, there was no significant difference in freedom from recurrence between the two groups (p = 0.162). Additionally, after adjusting for histologic type and MG, there was also no significant difference (p = 0.125) between groups.

CONCLUSIONS:

No difference in the rate of recurrence was observed in patients following limited thymectomy compared with extended thymectomy.

PMID:
24646138
PMCID:
PMC3994658
DOI:
10.1186/1749-8090-9-51
[Indexed for MEDLINE]
Free PMC Article
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