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Polysplenia associated with semiannular pancreas.

H Kobayashi1, S Kawamoto, T Tamaki

  • 1Department of Diagnostic and Interventional Radiology, Kyoto University, Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto 606-8507, Japan. hisataka@kuhp.kyoto-u.ac.jp

European Radiology
|August 21, 2001
PubMed
Summary

This case study presents an asymptomatic adult with polysplenia syndrome, a rare condition involving multiple spleens and other congenital abdominal abnormalities. The findings highlight the complex interplay of developmental errors originating from intestinal malrotation.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Congenital Abnormalities

Background:

  • Polysplenia syndrome is a rare congenital disorder characterized by the presence of multiple spleens.
  • It is often associated with other visceral anomalies, making diagnosis and management complex.
  • This report details a unique constellation of such anomalies.

Observation:

  • Computed tomography (CT) imaging revealed an asymptomatic adult with polysplenia syndrome.
  • Associated anomalies included a semiannular pancreas, intestinal malrotation, and a preduodenal portal vein.
  • Agenesis of the upper abdominal inferior vena cava with azygous continuation was also noted.

Findings:

  • The combination of polysplenia, pancreatic, and vascular anomalies suggests a common embryological origin.

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  • Intestinal malrotation, particularly of the lower abdominal organs, is implicated as a primary developmental insult.
  • The asymptomatic presentation in an adult underscores the variable clinical expressivity of these congenital conditions.

    • Implications:

    • Accurate radiological diagnosis is crucial for identifying this rare combination of anomalies.
    • Understanding the embryological basis can aid in predicting associated risks and guiding clinical management.
    • This case contributes to the literature on rare congenital abdominal malformations and their imaging features.