Lessons from an historical museum of anatomical pathology: thoraco-abdominopagus fetus.

Historical Museums of Anatomical Pathology are a relevant teaching tool for medical undergraduate students and postgraduate residents. The visualization of real specimens allow a deeper comprehension of diseases, namely of rare conditions as in Teratology. This article emphasizes the need to preserve and use Universities Museums, by presenting a XIXth Thoraco-Abdominopagus Fetus.