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- Title
Clinical implications of nonspecific pulmonary nodules identified during the initial evaluation of patients with head and neck squamous cell carcinoma.
- Authors
Kwon, Minsu; Lee, Sang; Lee, Yoon; Lee, Choong; Roh, Jong-Lyel; Choi, Seung-Ho; Nam, Soon; Kim, Sang; Lee, Sang Hoon; Lee, Yoon Se; Lee, Choong Wook; Nam, Soon Yuhl; Kim, Sang Yoon
- Abstract
<bold>Objective: </bold>We aimed to identify the clinical implications of nonspecific pulmonary nodules (NPNs) detected in the initial staging workup for patients with head and neck squamous cell carcinoma (HNSCC).<bold>Methods: </bold>Medical records of patients who had been diagnosed and treated in our hospital were retrospectively analysed. After definite treatment, changes of NPNs detected on initial evaluation were monitored via serial chest computed tomography. The associations between NPNs and the clinicopathological characteristics of primary HNSCC were evaluated. Survival analyses were performed according to the presence of NPNs.<bold>Results: </bold>The study consisted of 158 (49.4%) patients without NPNs and 162 (50.6%) patients with NPNs. The cumulative incidence of probabilities of pulmonary malignancy (PM) development at 2 years after treatment were 9.0% and 6.2% in NPN-negative and NPN-positive patients, respectively. Overall and PM-free survival rates were not significantly different according to NPN status. Cervical lymph node (LN) involvement and a platelet-lymphocyte ratio (PLR) ≥126 increased the risk of PMs (both P <0.05).<bold>Conclusions: </bold>NPNs detected in the initial evaluation of patients with HNSCC did not predict the risk of pulmonary malignancies. Cervical LN involvement and PLR ≥126 may be independent prognostic factors affecting PM-free survival regardless of NPN status.<bold>Key Points: </bold>• We aimed to identify the clinical implications of nonspecific pulmonary nodules (NPNs). • NPNs in head and neck cancer patients do not lead to pulmonary malignancies (PMs). • NPNs are not associated with overall or PM-free survival (PMFS). • Cervical lymph node involvement is an independent prognostic factor affecting PMFS. • Platelet-lymphocyte ratio ≥126 is another predictor of PMFS regardless of NPN presence.
- Subjects
SQUAMOUS cell carcinoma; PULMONARY nodules; COMPUTED tomography; PULMONARY artery; LYMPH nodes; PATIENTS; CANCER; HEAD tumors; LUNG tumors; NECK tumors; REGRESSION analysis; SURVIVAL analysis (Biometry); PREDICTIVE tests; RETROSPECTIVE studies
- Publication
European Radiology, 2017, Vol 27, Issue 9, p3725
- ISSN
0938-7994
- Publication type
journal article
- DOI
10.1007/s00330-017-4750-y