ArticleRadiology case reports2021
High-grade appendiceal mucinous neoplasm presenting as a giant appendiceal mucocele.
Article in Radiology case reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- When 'Mucocele' Isn't Just a Mucocele: Diagnostic Pathways and Surgical Management of Appendiceal Mucinous Lesions in a 10-Year Cohort.Medicina (Kaunas, Lithuania) · 2026Article
- Case Report: Synchronous primary high-grade appendiceal mucinous neoplasm and ovarian borderline mucinous cystadenoma: a rare case and diagnostic challenges.Frontiers in oncology · 2026Article
- Unusual histopathologic findings of appendectomy specimens: A retrospective study of cases at Jordan University Hospital over the last decade (2015-2024).Saudi medical journal · 2025Article
- Unusual giant low-grade appendiceal mucinous neoplasm: A case report and literature review.Medicine · 2025Review
- High-grade appendiceal mucinous neoplasms in children: a case report.Frontiers in pediatrics · 2025Article
- Giant Appendiceal Mucocele with High Grade Mucinous Neoplasm-Case Report and Review of the Literature.Diagnostics (Basel, Switzerland) · 2024Article
- Article
Corrections and comments
- Erratum issued
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Appendiceal mucinous neoplasms are rare findings defined by an accumulation of mucus within the vermiform appendix, and can be caused by a variety of conditions. Appendiceal mucinous neoplasms are important to consider because they can develop into pseudomyxoma peritonei as a consequence of perforation. We report a case of a 55-year-old man who initially presented with increasing abdominal girth, constipation, anorexia, and unintentional weight loss. Computed tomography examination of the abdomen and pelvis demonstrated a huge thin-walled cystic mass causing significant displacement of the surrounding abdominal and pelvic structures. The mass was amenable to resection and removed without perforation. Gross pathologic examination demonstrated a 44.0 × 40.0 × 23.0 cm unilocular cystic mass with a section of attached bowel. Microscopic examination revealed high-grade appendiceal mucinous neoplasm arising in a background of low-grade appendiceal mucinous neoplasm. This case report provides an evidence to include appendiceal mucinous neoplasms in the differential diagnosis of large abdominal cystic masses.
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