Radiological signs are the symmetric thickening of the valvulae conniventes and decreased intestinal motility.
The CT image of amyloidosis resembles that of an inflammatory or ischemic enterocolitis. The wall is thickened, its lumen is narrowed and intussusception may be present. Irregular plicae thickening can be seen as well. The diagnosis of amyloidosis is made by biopsy.
For further reading:
http://www.radiologycases.com/casereports/?mod=case_ihtmlf&id=165
