Abstract:
INTRODUCTION:Second primary malignancy (SPM) is associated with decreased overall survival (OS) in laryngeal carcinomas (LC). METHODS:One hundred eighty three LC patients were analyzed retrospectively. The primary and secondary endpoints were the incidence of SPM and the OS difference between patients with and without SPM. RESULTS:SPM developed in 22 (12.0%) patients at median 52 months (range, 4-131 months), with a yearly 2.8% incidence, of which 19 (10.4%) and 3 (1.6%) were metachronous and synchronous, respectively. Lung was the commonest SPM (72.7%). Of 47 deaths, 12 (25.5%) were SPM related. Comparatively SPM patients had significantly shorter median OS (68.0 months vs. median not reached; P = 0.005), with lower 5-year (67.0% vs. 78.9%) and 8-year (32.6 vs. 69.8%) survival rates. CONCLUSION:The present findings suggested the SPM as a competing risk factor for death in index LC patients with its annual incidence rate of 2.8% and for accounting one of every four deaths in this patients group. Emergence of lung carcinoma as the most frequent type of SPM and the ability to treat >50% of them with an estimated long-term outcomes emphasizes the importance of early diagnosis and curative treatment of SPMs.
journal_name
Indian J Cancerjournal_title
Indian journal of cancerauthors
Ozdemir Y,Topkan Edoi
10.4103/ijc.IJC_273_18subject
Has Abstractpub_date
2019-01-01 00:00:00pages
29-34issue
1eissn
0019-509Xissn
1998-4774pii
IndianJournalofCancer_2019_56_1_29_255479journal_volume
56pub_type
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journal_title:Indian journal of cancer
pub_type: 杂志文章
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journal_title:Indian journal of cancer
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journal_title:Indian journal of cancer
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journal_title:Indian journal of cancer
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journal_title:Indian journal of cancer
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