Histiocytic Ulcerative Colitis in Cats
 
Histiocytes are large white blood cells that reside in the normal connective tissue, where they ingest infectious microorganisms and foreign particles. They are an essential component of the immune system. Histiocytic ulcerative colitis is an uncommon disease characterized by ulcers in the lining of the colon, and inflammation with periodic acid-Schiff (PAS) positive histiocytes. The origin and pathogenic mechanism for this disorder is unknown; however, an infectious cause is assumed. Histiocytic ulcerative colitis may also have a possible geneti ...read more