Image Question-45

C. String sign of Kantor.
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Gastrointestinal string sign – also known as the string sign of Kantor.
Refers to the string-like appearance of a contrast-filled bowel loop caused by its severe narrowing.

Mechanism – reversible narrowing caused by spasms in Crohn disease,
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Now term used for – any severe narrowing of the bowel lumen.
– hypertrophic pyloric stenosis
– gastrointestinal tuberculosis
– carcinoid tumor
– colon cancer.