Seagulls of endoscopic ultrasound
نویسندگان
چکیده
The analogical description of a shape may be helpful in better understanding of anatomical structures during imaging. Seagull is a popular name for a seabird with a heavy body and two long wings. The “seagull sign ”has been used in cardiology for evaluation of the mitral valve and in orthopedics for erosive osteoarthritis.[1-3] On a plain X-ray abdomen, a triradiate collection of a dark shadow of nitrogen gas within gallstone creates a “seagull sign”.[4]
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