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Vol. 71, No. 3, 2009
Issue release date: July 2009
Section title: Original Paper
ORL 2009;71:129–134
(DOI:10.1159/000209313)

Cervical Lymph Node Metastasis Model of Pyriform Sinus Carcinoma

Shen N. · Wu H. · Xu X. · Wang J. · Hoffman M.R. · Rieves A.L. · Zhou L.
aDepartment of Otolaryngology, ZhongShan Hospital, and bDepartment of Otolaryngology, Eye, Ear, Nose and Throat Hospital, Fudan University, Shanghai, China; cDepartment of Surgery, Division of Otolaryngology – Head and Neck Surgery, University of Wisconsin and Madison School of Medicine and Public Health, Madison, Wisc., USA

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 7/30/2008
Accepted: 1/26/2009
Published online: 1/24/2009

Number of Print Pages: 6
Number of Figures: 2
Number of Tables: 3

ISSN: 0301-1569 (Print)
eISSN: 1423-0275 (Online)

For additional information: http://www.karger.com/ORL

Abstract

Objective: To establish a cervical lymph node metastasis model of pyriform sinus VX2 carcinoma and investigate its metastatic features. Methods: VX2 tumor tissue suspension was transplanted into the pyriform sinus submucosa of 15 rabbits under direct laryngoscopy. Rabbits were randomly placed into 1 of 3 groups, each comprised of 5 rabbits. Health evaluation and histopathological analysis were performed on days 14 (group 1), 21 (group 2), and 28 (group 3) after transplantation. Results: VX2 tumors were transplanted successfully in all rabbits. Dysphagia, weight loss, rhinorrhea, and dyspnea were observed 28 days after transplantation. Deep cervical lymph node metastasis occurred in all rabbits at all time points. The rate of submandibular lymph node metastasis was 60% in group 1, 80% in group 2, and 100% in group 3. The rate of paratracheal lymph node metastasis was 0% in group 1, 80% in group 2, and 100% in group 3. Conclusions: A model of metastatic pyriform sinus carcinoma was established. This model could be used in future studies evaluating diagnostic and treatment methods.


  

Author Contacts

Haitao Wu, MD
Department of Otolaryngology, Eye, Ear, Nose and Throat Hospital
Fudan University, 83 Fen Yang Road, Shanghai 200031 (China)
Tel. +86 21 6437 7134, ext. 202, Fax +86 21 6437 7151 E-Mail haitaowu1103@hotmail.com

  

Article Information

Received: July 30, 2008
Accepted after revision: January 26, 2009
Published online: March 24, 2009
Number of Print Pages : 6
Number of Figures : 2, Number of Tables : 3, Number of References : 15

  

Publication Details

ORL (Journal for Oto-Rhino-Laryngology, Head and Neck Surgery)

Vol. 71, No. 3, Year 2009 (Cover Date: July 2009)

Journal Editor: O'Malley Jr. B.W. (Philadelphia, Pa.)
ISSN: 0301-1569 (Print), eISSN: 1423-0275 (Online)

For additional information: http://www.karger.com/ORL


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 7/30/2008
Accepted: 1/26/2009
Published online: 1/24/2009

Number of Print Pages: 6
Number of Figures: 2
Number of Tables: 3

ISSN: 0301-1569 (Print)
eISSN: 1423-0275 (Online)

For additional information: http://www.karger.com/ORL


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