Telltale triangle sign
Last revised by Ian Bickle on 20 Jan 2021
Citation, DOI, disclosures and article data
Citation:
Tran T, Bickle I, Al Kabbani A, et al. Telltale triangle sign. Reference article, Radiopaedia.org (Accessed on 29 Mar 2024) https://doi.org/10.53347/rID-59237
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rID:
59237
Article created:
28 Mar 2018,
Tintin Tran
Disclosures:
At the time the article was created Tintin Tran had no recorded disclosures.
View Tintin Tran's current disclosures
Last revised:
20 Jan 2021,
Ian Bickle ◉
Disclosures:
At the time the article was last revised Ian Bickle had no recorded disclosures.
View Ian Bickle's current disclosures
Revisions:
7 times, by
6 contributors -
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Synonyms:
- Telltale traingle
- Triangle sign
The telltale triangle sign, also known as the triangle sign or telltale triangle, is a radiographic sign seen on plain abdominal radiographs in a supine, cross table lateral or decubitus view that signifies presence of pneumoperitoneum, of any cause 1,2.
It describes the appearance of a radiolucent triangle of gas formed between three loops of bowel or between two loops of bowel and the abdominal wall 1.
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References
- 1. Huang M-Y, Chang W-H. Telltale Triangle of Pneumoperitoneum. (2009) The New England journal of medicine. 361 (1): 73. doi:10.1056/NEJMicm0801361 - Pubmed
- 2. Seibert JJ, Parvey LS. The telltale triangle: use of the supine cross table lateral radiograph of the abdomen in early detection of pneumoperitoneum. (1977) Pediatric radiology. 5 (4): 209-10. Pubmed
- 3. Sureka B, Bansal K, Arora A. Pneumoperitoneum: What to look for in a radiograph?. (2015) Journal of family medicine and primary care. 4 (3): 477-8. doi:10.4103/2249-4863.161369 - Pubmed
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