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Cirujano general

versão impressa ISSN 1405-0099


GAMEZ-HUERTA, Víctor Hugo; MARTINEZ-HERNANDEZ, César Daniel  e  RODRIGUEZ-PAZ, Carlos Agustín. Modification and evaluation of biological model of surgical teaching in extraction of lipomas in undergraduate. Cir. gen [online]. 2018, vol.40, n.2, pp.70-77. ISSN 1405-0099.


The use of biological models in surgical training, allow the development of several skills such as lipoma extraction, technique developed in porcine paw. There are several tests to evaluate such skills, like the ones established by Anaya and Serrano.


Evaluate, an adaptation of Anaya and Serrano tests in lipoma extraction in porcine paw.

Material and methods:

This is a prospective, transversal, experimental and analytic study. The evaluation was performed in three different modules. The first one, approach the theoretical knowledge, the second one was evaluated with a practical/theoretical class, and the final module was a modification of the test proposed by Wulfrano et al, using a marshmallow covered in fat as the biological model of the lipoma within the porcine paw. This innovative evaluation method was evaluated in 11 medicine students of third year.


In the first module 81.81% had sufficient knowledge on the subject, in the second one 84.46% approved, by the third module almost 90.90% achieved the lipoma extraction. A t-Student test was performed between approval and not sufficient groups, obtaining a statistical difference between both (p ≤ 0.001).


It was possible to apply the innovative modification of the lipoma extraction test model and make a statistical analysis of the results, concluding its’ value.

Palavras-chave : Teaching; evaluation; lipoma; surgery; undergraduate.

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