Pseudomyxoma peritonei (PMP) is a disease surrounded by misunderstanding and controversies. Knowledge about the etymology of pseudomyxoma is useful to remove the ambiguity around that term. The word pseudomyxoma derives from pseudomucin, a type of mucin. PMP was first described in a case of a woman alleged to have a ruptured pseudomucinous cystadenoma of the ovary, a term that has disappeared from today's classifications of cystic ovarian neoplasms. It is known today that in the majority of cases, the origin for PMP is an appendiceal neoplasm, often of low histological grade. Currently, ovarian tumors are wrongly being considered a significant recognized etiology of PMP. PMP classification continues to be under discussion, and experts' panels strive for consensus. Malignancy is also under discussion, and it is shown in this review that there is a long-standing historical reason for that. Surgery is the main tool in the treatment armamentarium for PMP, and the only therapy with potential curative option.
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http://dx.doi.org/10.4240/wjgs.v11.i9.358 | DOI Listing |
Pathol Res Pract
December 2024
Division of Clinical Genome Research, Institute of Medical Science, The University of Tokyo, Tokyo, Japan. Electronic address:
J Am Chem Soc
December 2024
Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States.
Discovery of cancer immunogenic chemotherapeutics represents an emerging, highly promising direction for cancer treatment that uses a chemical drug to achieve the efficacy of both chemotherapy and immunotherapy. Herein, we report a high-throughput screening platform and the subsequent discovery of a new class of cancer immunogenic chemotherapeutic leads. Our platform integrates informatics-based activity metabolomics for the rapid identification of microbial natural products with both novel structures and potent activities.
View Article and Find Full Text PDFIntroduction: Primary mucinous cystadenoma is a very rare lesion in the spleen, with only a few reported cases available in the literature. Ectopic pancreatic or enteric tissue and invaginated splenic capsular epithelium are assumed to be the origin of mucinous cystadenomas of the spleen. We present the first reported case in Ethiopia.
View Article and Find Full Text PDFInt J Surg Case Rep
December 2024
University of Gondar College of Medicine and Health Sciences, Ethiopia.
Introduction: Mucinous appendiceal neoplasms are unique tumors in which >50 % of the tumor volume is composed of extracellular mucin. They may present as an unruptured mucin-filled appendix or, more commonly, with peritoneal metastases after rupture or transmural invasion of the primary tumor. This case report describes a case of presumed ovarian malignancy with final pathologic diagnosis of low grade appendiceal mucinous neoplasm.
View Article and Find Full Text PDFBMJ Case Rep
December 2024
Department of Pathology, Royal Brisbane and Women's Hospital, Herston, Queensland, Australia.
An appendiceal mucocele is a rare clinical entity often mimicking that of acute appendicitis in a majority of cases leading to incidental intraoperative findings. Nevertheless, appropriate diagnosis is vital prior to surgery to prevent complications such as pseudomyxoma peritonei. This report details a case of a man in his 70s, who was admitted to the emergency department with right iliac fossa pain with imaging showing wall thickening of the caecum and the ascending colon.
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