Intussusception?
15 yo M/N Siamese cat with 4# weight loss over the last few months, recent anorexia and diarrhea. Bloodwork NSF. U/s: some fluid in stomach and duodenum, most jejunal loops are dilated with anechoic fluid, thickened with prominent muscularis, one loop has a focal loss of layers, normal IC junction and colon, 5mm reactive LN…