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What is 'Bird of prey' sign is seen in the radiographic barium examination of: and explain in detail?
Radiological (X-ray) Characteristics - Markedly dilated sigmoid colon with the appearance of a bent inner tube or coffee bean appearance. - Inferior convergence of the dilated loop points towards left side of pelvis. Whorl sign CT scan. Contrast enema demonstrates the point of obstruction with the pathognomic ' birds beak' or 'bird of prey' or 'ace of spades' sign. Bird beak sign