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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Particular attention should be paid to pre-term infants and those in the younger age range. Tips and tricks One common difficulty is a stomach filled with gas Fig.

Congenital Hypertrophic Pyloric Stenosis

Please review our privacy policy. J Diagn Med Sonography. Open in a separate window. This disease usually presents between the second and sixth stsnosis of life, more commonly in the white population, in males male: Figure 3 Figure 3.


New insights into the pathogenesis of infantile pyloric stenosis. It has an incidence of 3 per 1, live births per year, although wide variations have been documented with geographic location, season and ethnic origin [ 3 ].

Hypertrophic pyloric stenosis | Radiology Case |

Case 1 Case 1. In the supine position with the transducer in a transverse position and sometimes with slight anti-clockwise rotation, identify the gallbladder. Synonyms or Alternate Spellings: Support Center Support Center.

Pyloric stenosis is the result of both hyperplasia and hypertrophy of the pyloric circular muscles fibres. Conclusion Pyloric US examination is a dynamic investigation, which should be performed in a systematic way. Case 10 Case There is usually little differential when imaging findings are appropriate.

Associated Data Supplementary Materials. Case 17 Case Please review our privacy policy. Case 11 Case US is the modality of choice for the diagnosis of hypertrophic pyloric stenosis HPS.

Case 5 Case 5. The identification of the pylorus can be difficult, but a systematic approach will improve chances of success. The double layer of thickened mucosa is hyperechogenic and can be confused with echogenic contents passing through the pylorus.


pylorud Case 14 Case The treatment of HPS is surgical pyloromyotomy. The pathogenesis of this is not understood. Initial medical management is essential with rehydration and correction of electrolyte imbalances. Ohshiro K, Puri P.

Due to the loss of hydrochloric acid in the gastric contents from persistent vomiting, patients are at risk of electrolyte imbalance, specifically the characteristic hypochloraemic metabolic alkalosis.

Hypertrophic pyloric stenosis: tips and tricks for ultrasound diagnosis

Typically the infant has a voracious appetite. It is more commonly seen in Caucasians 4and bipertrofi less common in India and among black and other Asian populations. A recent history of projectile and nonbilious vomiting, which may be intermittent or with every feeding is the classical complaint.

Articles from Insights into Imaging are provided here courtesy of Springer.