Thorac Cardiovasc Surg 2014; 62(02): 120-125
DOI: 10.1055/s-0033-1343895
Original Thoracic
Georg Thieme Verlag KG Stuttgart · New York

Squamous Cell Carcinomas Confined to the Bronchial Wall: The Effect of Growth Patterns

Halide Nur Urer
1   Department of Pathology, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Celalettin İbrahim Kocaturk
2   Department of Thoracic Surgery, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Mehmet Zeki Gunluoglu
2   Department of Thoracic Surgery, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Naciye Arda
1   Department of Pathology, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Adalet Demir
2   Department of Thoracic Surgery, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Mediha Gonenc Ortakoylu
3   Department of Pulmonology, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Mehmet Ali Bedirhan
2   Department of Thoracic Surgery, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
,
Seyit İbrahim Dincer
2   Department of Thoracic Surgery, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey
› Author Affiliations
Further Information

Publication History

11 February 2013

25 March 2013

Publication Date:
10 May 2013 (online)

Abstract

Background Squamous cell carcinomas confined to the bronchial wall (SCC-CBW) exhibit two distinct patterns of growth: superficially spreading and endobronchial mass lesions. We examined whether differences exist in the histopathological features and prognosis of SCC-CBW exhibiting different growth patterns.

Materials and Methods In this study, 37 cases with SCC-CBW were included. Tumors were classified into two groups: superficially spreading squamous cell carcinoma (s-SCC) and nodular squamous cell carcinoma (n-SCC). For each case, the growth pattern, T and N status, lymphovascular and perineural invasions, immunohistochemical expressions of p53 and Ki-67, and survival rates were analyzed.

Results Twenty cases were classified as s-SCC, and 17 cases were classified as n-SCC. There was a significant relationship and correlation between the length of s-SCC in the longitudinal axis and the depth of invasion (p = 0.01, R = 0.557). There was a statistically significant positive relationship between the depth of invasion and the nodal status (N1 involvement) (p < 0.0001, R = 0.71).

Conclusions SCC-CBW exhibits variable growth patterns. However, despite this variability, there are no biological or histological differences between tumors of different growth patterns, and this variability has very little, if any, effect on survival.

 
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