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Year : 2019  |  Volume : 3  |  Issue : 3  |  Page : 70-72

Ulcerated duodenal gastrointestinal stromal tumor – Demonstration of an interesting radiological sign (the Torricelli-Bernoulli sign)

1 Department of Radiodiagnosis, SCB Medical College and Hospital, Cuttack, Odisha, India
2 Department of Radiodiagnosis, GSVM Medical College and LLR Hospital, Kanpur, Uttar Pradesh, India
3 Department of Radiodiagnosis, AIIMS, Bhubaneswar, Odisha, India
4 Department of Radiodiagnosis, Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India

Correspondence Address:
Dr. Pradosh Kumar Sarangi
Department of Radiodiagnosis, SCB Medical College and Hospital, Cuttack, Odisha
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/oji.oji_33_19

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The Torricelli-Bernoulli sign is a useful computed tomographic sign seen in ulcerated/necrotic gastrointestinal stromal tumor (GIST) or leiomyosarcoma characterized by the collection of air in the nondependent aspect of larger gastrointestinal cavitating tumors. This sign is based on the physical principle of the law of Torricelli's and Bernoulli's principle. Herein, we describe this interesting imaging sign in an adult male with malignant duodenal GIST with extensive hepatic, peritoneal, omental, and lymph nodes (though rare in GIST) metastasis. The patient succumbed few days after admission.

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