Also for this district, the pathologies investigated were of unknown etiology, such as Crohn’s disease (whose patients are likely candidates to intestine cancer), and colon cancer or ulcerative colitis.

Particulate debris that varied considerably in size was found in all samples, except in the control ones (bowel tissues from young people dead in road accidents) which contained none, and sometimes particles of different chemical composition co-existed in the same, small sample.The chemical nature of the particulate matter found showed a considerable diversity, as we detected both metals and ceramic materials.

In a case of Crohn’s disease, particularly large debris of polymeric material shaped like a strip was found. The presence of large debris attached to the mucosa represents an important mechanical barrier to the passage of alimentary compounds and could be the explanation of some symptoms of this disease; for instance colon irritability, chronic bowel inflammation and loss of weight.

In some cases of cancers, we found very thin particles (500 nanometres) of Fe-Cr-Ni, the typical composition of a stainless steel.

Cancerogenic tissue of colon with an aggregate of particles of silver-molibdenum