The Role of Ultrasonography in Infantile Hypertrophied Pyloric Stenosis
Iraqi Postgraduate Medical Journal,
2006, Volume 5, Issue 1, Pages 1-7
To evaluate the different parameters used in the diagnosis of infantile hypertrophied pyloric stenosis (pyloric canal length, muscle thickness and pyloric canal diameter).
The study group consisted of 29 patients presented with projectile vomiting, 28 patients were diagnosed as pyloric stenosis and only one patient with pylorospasm using linear probe 7.5-10 MHz.
The male infants were 23 (82%) and, the female infants were 5 (18%) with male to female ratio of 4.5:1. The age ranged between 18 days and 90 days with a mean of 34.2 days. The age at presentation mostly was between 20-39 days (67.8%). Family history was positive in 5 patients (17.8%). In 16 patients (57.1%) the parents were relative while in 12 (42.8%) patients the parents were not relative. The length of the canal ranged from 15mm to 26mm with a mean of 19.13mm. The muscle thickness ranged from 3-8 mm with a mean of 5.8mm. The diameter of the canal ranged from 11mm to 17mm with a mean of 13.8mm. Only one patient (3.6%) had associated congenital abnormality which was ectopic kidney. And only one patient had pylorospasm.
The length of the pyloric canal was the most reliable measurement in the diagnosis of infantile hypertrophied pyloric stenosis.
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