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Gastric duplication cyst

Case contributed by: Dr Augusto César Vieira Teixeira

Presentation:

A newborn with onset of nonbilious vomiting and a palpable mass

Patient Data:

Age: Newborn
Gender: Female
From the case: Gastric duplication cyst
Modality: X-ray
  • Abdominal plain radiography shows a large sof tissue circumferential mass displacing the bowel loops
Abdominal plain radiography shows a large sof tissue circumferential mass displacing the bowel loops
From the case: Gastric duplication cyst
Modality: Ultrasound
  • Ultrasound reveals a cystic mass with the double wall sign (inner echogenic layer and an outer hypoechoic layer,black arrow
Ultrasound reveals a cystic mass with the double wall sign (inner echogenic layer and an outer hypoechoic layer,black arrow
From the case: Gastric duplication cyst
Modality: MRI
  • MRI T2-weighted sequence demonstrates a cystic mass with close contact with the gastric pylorus

T2

MRI T2-weighted sequence demonstrates a cystic mass with close contact with the gastric pylorus
From the case: Gastric duplication cyst
Modality: Photo

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  • Photomicrograph shows histopathologic features that are characteristics of a gastrointestinal duplication: an inner smooth muscle layer and an outer atrophic gastric mucosal lining
Photomicrograph shows histopathologic features that are characteristics of a gastrointestinal duplication: an inner smooth muscle layer and an outer atrophic gastric mucosal lining

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