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Airway Reconstruction With Carrier-Free Cell Sheets Composed of Autologous Nasal Squamous Epithelium

Authors
 Jaseok P. Koo  ;  Chang-Hoon Kim  ;  Joo-Heon Yoon  ;  Kyung-Su Kim  ;  Jeung-Gweon Lee 
Citation
 LARYNGOSCOPE, Vol.117(10) : 1750-1755, 2007 
Journal Title
LARYNGOSCOPE
ISSN
 0023-852X 
Issue Date
2007
Abstract
Objectives/Hypothesis: Although skin has been the most effective graft material for reconstructing the airway lumen, the use of squamous epithelium has many problems. If autologous airway squamous epithelium could differentiate into mucociliary epithelium after in vivo grafting, it could be an answer to these problems. In this study, we wanted to examine whether carrier-free nasal epithelial cell sheets composed of autologous squamous epithelium could be used as a substitute for skin in airway luminal reconstruction in three maxillectomy patients.

Study Design: In vitro biochemical experiments with in vivo applications.

Methods: We cultured nasal squamous epithelium from three maxillary cancer patients prior to maxillecotmy. These squamous cell sheets were grafted on the forearm free flap, and, after maxillectomy, the surgical defect was reconstructed with a prefabricated myocutaneous radial forearm free flap with the cultured nasal squamous epithelium. At 1 and 3 month intervals after the reconstructive surgery, the cultured cell grafted area was investigated with histologic phenotype, comparing the skin grafted area.

Results: The autologous nasal squamous epithelial cell sheet differentiated into mucociliary epithelium without the crust or mucus stagnation that is usually observed in cases in which skin graft is used for airway reconstruction.

Conclusions: We suggest that autologous cultured nasal squamous epithelium, which differentiates into mucociliary epithelium after in vivo grafting, can be used as a clinically relevant substitute for skin graft in airway luminal reconstruction.
Full Text
http://onlinelibrary.wiley.com/doi/10.1097/MLG.0b013e3180f62b78/abstract
DOI
10.1097/MLG.0b013e3180f62b78
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Su(김경수) ORCID logo https://orcid.org/0000-0003-1460-0640
Kim, Chang Hoon(김창훈) ORCID logo https://orcid.org/0000-0003-1238-6396
Yoon, Joo Heon(윤주헌)
Lee, Jeung Gweon(이정권)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/97123
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