Actinomycosis is an uncommon chronic infectious disease. Common sites of involvement include the cervicofacial, thoracic and abdominopelvic regions. In abdominopelvic actinomycosis, the ileocecal region, including the appendix, is the most commonly involved site. In some reports, limited appendiceal actinomycosis has revealed a thickened appendiceal wall with peri-appendiceal inflammation as acute appendicitis or perforated appendicitis. We experienced pathologically confirmed intraluminal limited appendiceal actinomycosis without peri-appendiceal infiltration. Here, we report the computed tomography and ultrasound findings.
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http://dx.doi.org/10.3748/wjg.v16.i3.395 | DOI Listing |
ACG Case Rep J
December 2024
Center for Interventional Endoscopy (CIE), AdventHealth Orlando, Orlando, FL.
Vermiform appendiceal cancers are rare and commonly diagnosed incidentally after appendectomy for acute appendicitis. Establishing a diagnosis and staging appendiceal cancer is important as the treatment options differ based on the subtypes of tumor and their spread in the peritoneum. The role of endosonography in tissue diagnosis of appendiceal cancer is limited.
View Article and Find Full Text PDFMedicine (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 PDFClin 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).
Oncol Rev
November 2024
Oncology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea University Hospital, Sapienza University of Rome, Rome, Italy.
Peritoneal metastases (PM) are the spread of tumor forms into the peritoneum as metastases from another organ. PM is a frequent condition in metastatic gastrointestinal cancer (colorectal, gastric, pancreatic, appendiceal, and cholangiocarcinoma); their presence confers a poor prognosis, reducing patient survival. The standard treatment consists of systemic chemotherapy according to current guidelines.
View Article and Find Full Text PDFInt J Surg Case Rep
December 2024
Department of Biology, Amoud University, Borama, Somalia; Faculty of Science, Charles University, Prague, Czech Republic. Electronic address:
Introduction: Appendiceal mucocele, a rare condition characterized by mucoid material accumulation in the appendix, often presents asymptomatically. Diagnosis can be challenging, and surgical resection is crucial to prevent complications. We report a case managed in a low-resource setting, highlighting the importance of early identification.
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