Background. One challenge in medical education is to provide training
in physical examination skills. The authors conducted a randomized stu
dy to compare standardized and unstandardized methods of teaching clin
ical breast examinations and to determine whether trained non-medical
women could teach as well as medical faculty. Method. Sensitivity, spe
cificity, and examination techniques were compared between first-year
students at the University of Calgary Faculty of Medicine who in 1992-
93 received standardized teaching from family medicine faculty or well
women teachers and 70 second-year students who received unstandardize
d teaching during their clinical rotations. Standardized teaching incl
uded a specific examination technique using silicone breast models. Th
e students taught by the well women teachers also examined the women's
breasts. Results. The standardized-teaching group had more consistent
examination techniques and significantly higher sensitivity but lower
specificity. The students taught by the well women teachers performed
as well as those taught by the family medicine faculty. Conclusions.
The teaching methods used by trained teachers and standardized models
improved the students' accuracy of breast lump detection and examinati
on skills.