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An animal model for endoscopic endonasal surgery and dacryocystorhinostomy training: uses and limitations of the lamb's head

Published online by Cambridge University Press:  12 May 2011

R Mladina ,
K Vuković ,
R Štern Padovan  and
N Skitarelić
R Mladina
Affiliation:
Department of Otolaryngology - Head and Neck Surgery, University Hospital Centre Zagreb, Croatia
K Vuković
Affiliation:
Department of Otolaryngology - Head and Neck Surgery, University Hospital Centre Zagreb, Croatia
R Štern Padovan
Affiliation:
Department of Diagnostic and Interventional Radiology, University Hospital Centre Zagreb, Croatia
N Skitarelić*
Affiliation:
Department of Otolaryngology - Head and Neck Surgery, General Hospital Zadar, Croatia
*
Address for correspondence: Dr Neven Skitarelić, Department of Otolaryngology - Head and Neck Surgery, Put Murvice 33, 23 000 Zadar, Croatia Fax: 00385 23 312724 E-mail: [email protected]
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Abstract

Objectives:

Structured training in endoscopic sinus surgery is essential, considering the serious potential complications. We have developed a detailed endoscopic endonasal surgery training programme, using a lamb's head model. This study aimed to assess the possibilities of using such a model for endoscopic dacryocystorhinostomy training.

Materials and methods:

Dacryocystography was performed on lamb's head models, which were then meticulously dissected, both macroscopically and endoscopically, to assess the nasolacrimal system.

Results:

Dacryocystography showed the absence of a lacrimal sac in all the lamb's heads dissected. This result was confirmed by dissection.

Conclusion:

Lamb's heads are excellent models with which to teach endoscopic sinus surgery techniques. However, this study clearly demonstrated the absence of a lacrimal sac in all such models dissected. Thus, this animal model is inappropriate for endoscopic dacryocystorhinostomy training.

Keywords

Paranasal SinusEndoscopyModels, AnimalEducation
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 125 , Issue 7 , July 2011 , pp. 696 - 700
Copyright
Copyright © JLO (1984) Limited 2011

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