JRM
Journal of Radiology in Medicine

Journal of Radiology in Medicine is an international journal that published original research and articles in all areas of radiology. Its publishes original research articles, review articles, case reports, editorial commentaries, letters to the editor, educational articles, and conference/meeting announcements.

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Case Report
Pseudomyxoma peritonei secondary to appendiceal mucocele: a case report with characteristic imaging findings
Abstract
Pseudomyxoma Peritonei (PMP) is a rare disease characterized by progressive accumulation of mucinous material within the peritoneal cavity, most commonly originating from appendiceal mucinous neoplasms. We report a case of PMP secondary to appendiceal mucocele, emphasizing its imaging characteristics, surgical management, and postoperative outcome. A 62-year-old man presented with a six-month history of progressive abdominal pain and distension. Laboratory tests revealed elevated inflammatory markers and increased CA 19-9 level. Ultrasonography demonstrated diffuse microcystic lesions and cystic dilatation of the appendix consistent with appendiceal mucocele. Contrast-enhanced computed tomography showed widespread low-attenuation mucinous ascites with characteristic hepatic scalloping and peritoneal involvement. The patient underwent cytoreductive surgery including right hemicolectomy, peritonectomy, splenectomy, and cholecystectomy. Histopathological examination confirmed high-grade appendiceal mucinous neoplasm associated with serosal mucinous adenocarcinoma. Postoperative follow-up imaging at one year demonstrated regression of intra-abdominal mucinous collections. This case highlights the importance of imaging in the early diagnosis, staging, and surgical planning of PMP. Recognition of characteristic radiological findings is essential for timely management and improved clinical outcomes.

Keywords : Pseudomyxoma peritonei, mucocele, appendix

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Article available in :
Volume 3, Issue 2, 2026
Page : 47-49
https://doi.org/10.51271/JRM-0049
Article Information
Received : 07 May 2026
Accepted : 22 Haz 2026
Published : 29 Haz 2026
Corresponding Author :

Muhammed Fatih Arslan: Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkiye

[email protected]
Citation : Arslan MF, Yılmaz S. Pseudomyxoma peritonei secondary to appendiceal mucocele: a case report with characteristic imaging findings. J Radiol Med. 2026;3(2):47-49. doi:10.51271/JRM-0049

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