Ultrasonic Features of Pneumatosis Intestinalis

Sigel, Bernard; Machi, Junji; Ramos, Oscar E.; Ai, Serota; Al, Robertson

doi:10.1002/j.1097-0096.1985.tb00014.x

Cited by 20 publications

(4 citation statements)

References 4 publications

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“…Initial studies to evaluate the role of abdominal US in NEC date back to 1984, but no systematic studies-to our knowledge-compared the findings of abdominal US with those of plain abdominal radiography and how these findings may affect management (16,19,(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36). The emerging role of abdominal US has become particularly evident with the recent publication in 2005 of the first study that assessed bowel viability with color Doppler sonography in neonates with NEC (17).…”

Section: Abdominal Sonographymentioning

confidence: 99%

“…Abdominal US depicts intramural gas as hyperechoic foci in the bowel wall (Figs 11-14) (17,26,27,37,38,50). The amount of intramural gas may vary considerably from single or scattered hyperechoic foci in the wall to complete circumferential involvement of the wall of one or many bowel loops (Fig 11).…”

Section: Intramural Gasmentioning

confidence: 99%

“…Small amounts of intramural gas are less likely to be confused with intraluminal gas when the dependent portion of the bowel wall is involved (Figs 11, 13). In contrast to intraluminal gas, intramural gas will not change position because of peristalsis, respiratory movement, changes of the patient's position, or abdominal compression with the transducer (27,37,50,51).…”

Section: Intramural Gasmentioning

confidence: 99%

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Necrotizing Enterocolitis: Review of State-of-the-Art Imaging Findings with Pathologic Correlation

Epelman¹,

Daneman²,

Navarro³

et al. 2007

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Plain abdominal radiography is the current standard imaging modality for evaluation of necrotizing enterocolitis (NEC). Sonography is still not routinely used for diagnosis and follow-up, as it is not widely recognized that it can provide information that is not provided by plain abdominal radiography and that may affect the management of NEC. Like plain abdominal radiography, sonography can depict intramural gas, portal venous gas, and free intraperitoneal gas. However, the major advantages of abdominal sonography over plain abdominal radiography are that it can depict intraabdominal fluid, bowel wall thickness, and bowel wall perfusion. Sonography may depict changes consistent with NEC when the plain abdominal radiographic findings are nonspecific and inconclusive. Thinning of the bowel wall and lack of perfusion at sonography are highly suggestive of nonviable bowel and may be seen before visualization of pneumoperitoneum at plain abdominal radiography. The mortality rate is higher after perforation; thus, earlier detection of severely ischemic or necrotic bowel loops, before perforation occurs, could potentially improve the morbidity and mortality in NEC. The information provided by sonography allows a more complete understanding of the state of the bowel in patients with NEC and may thus make management decisions easier and potentially change outcome.

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Section: Abdominal Sonographymentioning

confidence: 99%

Section: Intramural Gasmentioning

confidence: 99%

Section: Intramural Gasmentioning

confidence: 99%

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Necrotizing Enterocolitis: Review of State-of-the-Art Imaging Findings with Pathologic Correlation

Epelman¹,

Daneman²,

Navarro³

et al. 2007

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292

300

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“…Computed tomography is superior for detecting this finding; however, sonography may also be useful in detection of pneumatosis, as suggested by some authors. 21,22 In conclusion, in cases with portomesenteric gas, a CT study of the abdomen and pelvis is warranted because intestinal ischemia is a common cause of portomesenteric gas, and the clinical outcome of these patients depends on the delay between diagnosis and surgical exploration. However, with its real-time imaging capability, sonography is also a very valuable imaging modality for evaluation of these cases in the appropriate clinical context.…”

mentioning

confidence: 99%