Ram's horn sign

Last revised by Mohammad Taghi Niknejad on 24 Dec 2023

The Ram's horn sign, also known as the Shofar sign, is the tubular, conical appearance of the stomach antrum seen on a barium meal. The stomach is less distensible and the curved conical appearance resembles the horn of a ram.

This is seen in granulomatous disease, typically Crohn disease, but also in tuberculosis, syphilis and sarcoidosis 3. A scirrhous carcinoma may shows a similar appearance on the barium study 2.

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