Table of Contents
Thrombocytosis
with Ulcerative Colitis
MRA Circle of Willis shows no flow in right MCA.
Thrombocytosis -- reactive state in
chronic inflammatory bowel disease
such as ulcerative colitis
Children
•Case 3
•History
•9 year-old presenting with headaches, dizziness and left arm weakness; history of Marfan’s syndrome and thrombocytosis associated with ulcerative colitis 
•Finding
•MRA of head: Right proximal MCA occlusion (associated with right MCA infarct)