− | Larger, grey granulomatous masses causing thickening of the wall of the [[Small Intestine Overview - Anatomy & Physiology|small]] and [[Large Intestine - Anatomy & Physiology|large intestine]]. | + | Larger, grey granulomatous masses are found in abdominal organs, including the [[Small Intestine Overview - Anatomy & Physiology|small]] and [[Large Intestine - Anatomy & Physiology|large intestine]], kidneys, liver and mesenteric lymph nodes. CNS and ocular involvement occurs in up to 60% of cases, with granulomas causing the clinical signs. |