Abstract. In a large metropolitan general hospital, a high incidence of congenital hypertrophic pyloric stenosis was noted in non-Caucasian groups. Bile-free. Hypertrophic pyloric stenosis (HPS) refers to the idiopathic thickening of gastric pyloric musculature which then results in progressive gastric outlet obstruction. This is a condition that can affect babies in the first few weeks of life, usually at about 6 weeks. It tends to affect boys more than girls. Pyloric stenosis is a.

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A further US examination may be requested if vomiting persists following surgery.

Hypertrophic pyloric stenosis, Ultrasound. Case 9 Case 9.

The appearance of the hypertrophied pylorus has previously been described as the cervix sign [ 11 ], as it resembles the appearance of the uterine cervix Fig. Additional Hipettrofi findings in HPS are hypertrophy of the mucosa and a markedly distended and actively peristalsing stomach. The key is to keep the baby comfortable, for example with US gel warmed to a suitable ambient temperature. Ultrasonographic features of normalization of the pylorus after pyloromyotomy for hypertrophic pyloric stenosis.

Stebosis is more commonly seen in Caucasians 4and is less common in India and among black and other Asian populations. Case 8 Case 8.


Abstract In a large metropolitan general hospital, a high incidence of congenital hypertrophic pyloric stenosis was noted in non-Caucasian groups. This dynamic evaluation is vital, as a wide open pylorus with normal passage of the gastric contents excludes HPS Fig.

Despite a surprisingly high complication rate, the ultimate result of operative therapy is uniformly excellent. Loading Stack – 0 images remaining. Pathogenesis of infantile hypertrophic pyloric stenosis: Passage of the gastric content through the pylorus, distending the antropyloric region arrow.

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Hypertrophic pyloric stenosis: tips and tricks for ultrasound diagnosis

Bile-free emesis was consistently reported, and admission was frequently delayed. US examination of the antropyloric region Before performing the US, some general conditions for examining infants should be addressed, as these can affect the quality of the examination.

The pylorus, however, appears sonographically normal. Author information Article notes Copyright and License information Disclaimer. National Center for Biotechnology InformationU.

Case 5 Case 5. There are four main theories The US should be performed by an experienced radiologist. US is the modality of choice for the diagnosis of hypertrophic pyloric stenosis HPS. The treatment of HPS is surgical pyloromyotomy.


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Hypertrophic pyloric stenosis: tips and tricks for ultrasound diagnosis

Copyright and License information Disclaimer. Case 10 Case The other principal sonographic size criterion is the length of the pyloric canal. Open in a separate window. Check for errors and try again. Case 16 Case Liver fracture can occur with improper abdominal palpation techniques. Hipertroi possible the examination should be performed after a feeding and accompanied by a parent.

Of course, clinically it is important to consider other causes of vomiting in infancy. The stenosus diagnostic criterion is measurement of the thickness of the muscular layer. Another frequent problem is that a markedly distended stomach can displace the pylorus dorsally making it very difficult to access Fig. One common difficulty is a stomach filled with gas Fig. An upper GI examination may also be performed if emesis continues post-operatively, in order to exclude a duodenal leak or to assess an incomplete pyloromyotomy or gastro-oesophageal reflux [ 16 ].