Ulcerative colitis (UC) is a chronic relapsing inflammatory disorder of the colon. Patients with UC have an increased risk of developing colorectal cancer. However, appendix adenocarcinoma associated with UC is extremely rare.
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Cell of origin and expression profiles of pseudomyxoma peritonei derived from the appendix.
Pathol Res Pract
December 2024
Division of Clinical Genome Research, Institute of Medical Science, The University of Tokyo, Tokyo, Japan. Electronic address:
Article Synopsis
- Pseudomyxoma peritonei (PMP) is a rare condition linked to mucin-producing tumors, usually starting in the appendix, leading to mucin buildup in the abdomen.
- Researchers conducted RNA-seq analysis on ten PMP cases and their healthy tissue to reveal 32 differently expressed genes, indicating that PMP tumors arise from goblet cells.
- The study found significant associations between PMP tumors and important biological processes like epithelial-mesenchymal transition, angiogenesis, and inflammation, with further analysis highlighting distinct gene expressions in different PMP types, suggesting more aggressive traits in peritoneal mucinous adenocarcinomas (PMCA).
Should an Interval Appendicectomy Be Performed by a Minimally Invasive Gynaecologist?
Int J Womens Health
December 2024
Sydney Women's Endosurgery Centre (SWEC), St George Hospital, Sydney, NSW, Australia.
Objective: We aimed to explore the abnormal pathology findings in appendix specimens removed based on intraoperative abnormal appearance during elective surgery for benign gynaecological conditions by a minimally invasive gynaecologist, as well as the associated complication rate.
Materials And Methods: This retrospective cohort study was conducted in a tertiary referral surgical centre for benign gynaecological conditions between the years 2004-2023. It included patients who underwent appendicectomy by a trained minimally invasive gynaecologist based on observations during surgery for benign gynaecological conditions.
Low-grade appendiceal mucinous neoplasm: A case report.
Medicine (Baltimore)
December 2024
Department of General Surgery, Nujiang Prefecture People's Hospital, Nujiang, Yunnan, China.
Rationale: Low-grade appendiceal mucinous neoplasm (LAMN) is a clinically rare tumor that predominantly occurs in females and presents with nonspecific symptoms, often resulting in misdiagnosis. While postoperative pathology remains the gold standard for diagnosis, accurate preoperative identification through various diagnostic methods is essential for effective treatment planning. To raise awareness of this condition, we present a case of a middle-aged male diagnosed with LAMN.
View Article and Find Full Text PDFThe Landscape of Circulating Tumor DNA (ctDNA) in Appendiceal Adenocarcinoma.
Clin Cancer Res
December 2024
The University of Texas MD Anderson Cancer Center, Houston, Texas, United States.
Purpose: Appendiceal adenocarcinoma (AA) is a rare malignancy with distinct histopathologic subtypes and a natural history with metastasis primarily limited to the peritoneum. Little is known about the molecular pathogenesis of AA relative to common tumors.
Experimental Design: We analyzed molecular data for patients within the Guardant Health database with appendix cancer (n = 718).
Unusual synchronous and metachronous association of hematologic neoplasms with gynecologic neoplasms: A case series and literature review.
Int J Gynaecol Obstet
December 2024
Department of Internal Medicine, Division of Hematology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey.
The aim of the present study was to evaluate the occurrence of synchronous or metachronous hematologic and gynecologic malignancies. The medical database of the pathology department at a tertiary center was searched from 2016 to 2024 for cases involving both hematologic and gynecologic tumors. A literature search using Google Scholar and PubMed was also conducted between May and June 2024.
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