[Ulcerations and their classification by Ismael Jorjani].

Ismael Jorjanio (d. 1137), the Persian physician and philosopher, received his medical training in the most famous schools of the Iranian province of khawarizm. He wrote several works in which he dealt with medicine and the natural sciences. We are interested in the work dealing with the classification of ulcerations as proposed by Ismael Jorjani in function with their clinical characteristics and evolution as well as with their technical aspects.