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Background: Acute appendicitis is one of the most common surgical emergencies, and it is treated definitively with appendectomy. Recurrent appendicitis is a rare entity, being reported after approximately 1 in 50,000 appendectomies. It is typically caused by inflammation of the appendiceal stump. Inflammation of a retained appendiceal tip is a unique entity that can also cause recurrent appendicitis and presents similarly to primary appendicitis.
Case Report: We present a case of a 50-year-old man who had undergone laparoscopic appendectomy 1 year earlier and who subsequently presented with a chief complaint of right lower quadrant abdominal pain. The diagnosis of recurrent appendicitis caused by a retained appendiceal tip was made after a computed tomography scan. The patient underwent successful laparoscopic removal of the retained appendiceal fragment. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: The etiology of recurrent appendicitis is separate from the stump appendicitis that has been well described in the literature. Retained tip appendicitis poses a diagnostic dilemma because it is uncommon and, if missed, can lead to complications, such as perforation and severe sepsis. Recurrent appendicitis must be in the differential diagnosis for patients who are post-appendectomy and who present with right lower quadrant abdominal pain.
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http://dx.doi.org/10.1016/j.jemermed.2019.03.044 | DOI Listing |
Ann Med Surg (Lond)
September 2025
Department of Pathology, Nepal Medical College and Teaching Hospital, Kathmandu University, Nepal.
Introduction: Simultaneous presentation of acute appendicitis and ovarian torsion is rare and requires urgent surgical intervention due to the high risk of complications, including sepsis and mortality. While adnexal torsion is a known cause of acute abdomen in reproductive-age women, co-presentation with appendicitis is exceptionally uncommon. This case underlines the importance of considering gynecological differentials in women presenting with acute abdominal pain.
View Article and Find Full Text PDFEur J Gastroenterol Hepatol
July 2025
University of Minnesota, Minneapolis, Minnesota.
Introduction: Endoscopic submucosal dissection (ESD) is a promising technique for early-stage gastrointestinal neoplasms; however, its use for periappendiceal lesions poses challenges because of anatomical complexities and the potential risk of appendicitis or perforation. As a result, these lesions are often managed surgically. This systematic review and meta-analysis evaluate the safety and efficacy of ESD for periappendiceal lesions.
View Article and Find Full Text PDFCase Rep Surg
August 2025
Department of Surgery, Alexandria University, Alexandria, Alexandria Governorate, Egypt.
Stump appendicitis is a rare but serious complication following an appendectomy, resulting from incomplete removal of the appendix. It often mimics acute appendicitis with nonspecific symptoms, such as abdominal pain, nausea, vomiting, and fever, making diagnosis challenging. Here, we report the case of a 17-year-old male who presented with diffuse abdominal pain, fever, and nausea just 11 days after undergoing an open appendectomy.
View Article and Find Full Text PDFPLoS Med
September 2025
Department of Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Background: Although the fecal immunochemical test (FIT) is widely utilized in colorectal cancer (CRC) screening because of its noninvasive, rapid, and cost-effective characteristics, its effectiveness in post-adenoma resection surveillance remains unclear. This study aims to evaluate the benefits of follow-up FIT surveillance in individuals with adenoma resection and to identify risk factors associated with adenoma recurrence.
Methods And Findings: As part of China's National Screening Project, we identified a total of 5,911 individuals who underwent adenoma removal during the first round of CRC screening in Jiashan and Haining between 2006 and 2021.
SAGE Open Med Case Rep
August 2025
Department of Internal Medicine, Cooper University Hospital, Camden, NJ, USA.
Appendiceal neuroendocrine tumors are a rare subset of well-differentiated neuroendocrine tumors, comprising <1% of all malignancies. Appendiceal cancer is particularly rare, affecting approximately one to two individuals per one million annually in the United States. Appendiceal neuroendocrine tumors have an estimated incidence of 7/100,000 person-years in the United States.
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