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Hypertrophic pyloric stenosis: tips and tricks for ultrasound diagnosis.

Costa Dias S, Swinson S, Torrão H, Gonçalves L, Kurochka S, Vaz CP, Mendes V - Insights Imaging (2012)

Bottom Line: We describe a systematic approach to the ultrasound (US) examination of the antropyloric region in children.Common difficulties in performing the examination and tips to help overcome them will also be discussed.Main Messages • Hypertrophic Pyloric Stenosis is defined by thickening of the muscular layer and failure in relaxation of the pyloric canal. • The main diagnostic criterion is a measurement of more than 3mm in thickness of the muscular layer. • Abnormal elongation of the canal is characterised as greater than 12 mm in length.

View Article: PubMed Central - PubMed

Affiliation: Radiology Department, Hospital de Braga, Braga, Portugal, silviacostadias@hotmail.com.

ABSTRACT
We describe a systematic approach to the ultrasound (US) examination of the antropyloric region in children. US is the modality of choice for the diagnosis of hypertrophic pyloric stenosis (HPS). The imaging features of the normal pylorus and the diagnostic findings in HPS are reviewed and illustrated in this pictorial essay. Common difficulties in performing the examination and tips to help overcome them will also be discussed. Main Messages • Hypertrophic Pyloric Stenosis is defined by thickening of the muscular layer and failure in relaxation of the pyloric canal. • The main diagnostic criterion is a measurement of more than 3mm in thickness of the muscular layer. • Abnormal elongation of the canal is characterised as greater than 12 mm in length.

No MeSH data available.


Related in: MedlinePlus

The distended stomach (*), posteriorly displacing the pylorus (arrow), which resembles the appearance of the uterine cervix
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Fig4: The distended stomach (*), posteriorly displacing the pylorus (arrow), which resembles the appearance of the uterine cervix

Mentions: Another frequent problem is that a markedly distended stomach can displace the pylorus dorsally making it very difficult to access (Fig. 4). In this situation, moving the infant into an oblique position with the left side down will help to move the pylorus to a more anterior position.Fig. 4


Hypertrophic pyloric stenosis: tips and tricks for ultrasound diagnosis.

Costa Dias S, Swinson S, Torrão H, Gonçalves L, Kurochka S, Vaz CP, Mendes V - Insights Imaging (2012)

The distended stomach (*), posteriorly displacing the pylorus (arrow), which resembles the appearance of the uterine cervix
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3369120&req=5

Fig4: The distended stomach (*), posteriorly displacing the pylorus (arrow), which resembles the appearance of the uterine cervix
Mentions: Another frequent problem is that a markedly distended stomach can displace the pylorus dorsally making it very difficult to access (Fig. 4). In this situation, moving the infant into an oblique position with the left side down will help to move the pylorus to a more anterior position.Fig. 4

Bottom Line: We describe a systematic approach to the ultrasound (US) examination of the antropyloric region in children.Common difficulties in performing the examination and tips to help overcome them will also be discussed.Main Messages • Hypertrophic Pyloric Stenosis is defined by thickening of the muscular layer and failure in relaxation of the pyloric canal. • The main diagnostic criterion is a measurement of more than 3mm in thickness of the muscular layer. • Abnormal elongation of the canal is characterised as greater than 12 mm in length.

View Article: PubMed Central - PubMed

Affiliation: Radiology Department, Hospital de Braga, Braga, Portugal, silviacostadias@hotmail.com.

ABSTRACT
We describe a systematic approach to the ultrasound (US) examination of the antropyloric region in children. US is the modality of choice for the diagnosis of hypertrophic pyloric stenosis (HPS). The imaging features of the normal pylorus and the diagnostic findings in HPS are reviewed and illustrated in this pictorial essay. Common difficulties in performing the examination and tips to help overcome them will also be discussed. Main Messages • Hypertrophic Pyloric Stenosis is defined by thickening of the muscular layer and failure in relaxation of the pyloric canal. • The main diagnostic criterion is a measurement of more than 3mm in thickness of the muscular layer. • Abnormal elongation of the canal is characterised as greater than 12 mm in length.

No MeSH data available.


Related in: MedlinePlus