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Culture and Imaging of Ex Vivo Organotypic Pseudomyxoma Peritonei Tumor Slices from Resected Human Tumor Specimens
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Liver scalloping: Pseudomyxoma peritonei liver compression

K Allart1, C Sabbagh1, J-M Regimbeau2

  • 1Service de chirurgie digestive, centre hospitalier universtaire Amiens, avenue René-Laennec, 80054 Amiens cedex 01, France; Université Picardie-Jules-Verne, 1, chemin du Thil, 80000 Amiens cedex 01, France.

Journal of Visceral Surgery
|December 8, 2018
PubMed

Insights

Pseudomyxoma peritonei is a rare condition where mucus spreads in the abdomen, often from an appendiceal mucocele rupture. Liver scalloping is a key sign, showing the liver indented by this gelatinous mucin.

Area of Science:

  • Oncology
  • Gastroenterology
  • Radiology

Background:

  • Pseudomyxoma peritonei is a rare neoplastic condition.
  • It typically originates from the rupture of an appendiceal mucocele.
  • Characterized by widespread peritoneal mucinous deposits.

Purpose of the Study:

  • To describe the imaging characteristics of pseudomyxoma peritonei.
  • To highlight the significance of liver scalloping as a diagnostic sign.

Main Methods:

  • Review of imaging findings in patients with pseudomyxoma peritonei.
  • Correlation of imaging features with pathological diagnosis.

Main Results:

  • Pseudomyxoma peritonei involves diffuse peritoneal dissemination of mucinous material.
  • Liver scalloping, an indentation of the liver surface, is a highly suggestive imaging finding.
  • This finding results from external compression by gelatinous mucin.

Conclusions:

  • Liver scalloping is a distinctive imaging manifestation of pseudomyxoma peritonei.
  • Recognition of this sign aids in the diagnosis of this rare condition.
Keywords:
CHIPMucocèlePeritoinePseudomyxomeScalloping

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