Ultrasonographic 'Bull's Eye' (Target Sign): In veterinary gastrointestinal ultrasonography, the classic 'bull's eye' or 'target' lesion (concentric rings in cross-section, or 'pseudokidney' sign in longitudinal section) is pathognomonic for Intussusception.
Acoustic Anatomy: Formed by the invagination of the proximal bowel segment (intussusceptum) into the lumen of the receiving distal segment (intussuscipiens), producing multiple concentric alternating hyperechoic and hypoechoic tissue and mucosal fluid rings.
Correct option: (3) Intussusception
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ICAR JRF Veterinary Surgery And Radiology 29 Jun 2024Shift 1
MCQ (Single Correct)+4−1
Double intussusception has no. of intestinal wall layers
Layers in Double Intussusception: While a simple intussusception comprises 3 bowel wall layers (entering layer, returning layer, and sheath), a double intussusception involves two sequential invaginations, comprising 5 distinct intestinal wall layers on cross-section.
Correct option: (4) 5
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