This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
Cullen's sign is seen in 
Select and explain. 
A. Acute cholecystitis, B. Acute pancreatitis, C. Acute hemorrhagic pancreatitis, D. Blunt injury abdomen
C: Acute hemorrhagic pancreatitis
Answer: C: Acute hemorrhagic pancreatitis 
Explanation: Signs indicative of retroperitoneal bleeding in severe pancreatitis Flank ecchymosis - Grey Turner sign Periumbilical ecchymosis- Cullen's sign Inguinal ecchymosis - Fox sign Ref: Sabiston 20th edition Pgno : 1527