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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 stomach distended with gas (arrow)
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Fig3: The stomach distended with gas (arrow)

Mentions: One common difficulty is a stomach filled with gas (Fig. 3). The easiest way to avoid this is by placing the infant in an oblique position with the right side down, as this will allow fluid to fill the antrum, acting as an acoustic window. A stomach completely filled with milk can also cause artefacts, other possibilities are to give the infant water or even to place a nasogastric tube, empty the stomach and then fill it with water.Fig. 3


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 stomach distended with gas (arrow)
© Copyright Policy
Related In: Results  -  Collection

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

Fig3: The stomach distended with gas (arrow)
Mentions: One common difficulty is a stomach filled with gas (Fig. 3). The easiest way to avoid this is by placing the infant in an oblique position with the right side down, as this will allow fluid to fill the antrum, acting as an acoustic window. A stomach completely filled with milk can also cause artefacts, other possibilities are to give the infant water or even to place a nasogastric tube, empty the stomach and then fill it with water.Fig. 3

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