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The ectopic appendicolith from perforated appendicitis as a cause of tubo-ovarian abscess
Rajashree C Vyas1, Corey Sides, Deborah J Klein
1University of Rochester Medical Center, 610 Elmwood Avenue, Rochester, NY 14642, USA. Rajashree_Vyas@URMC.Rochester.edu
Insights
A rare complication of perforated appendicitis, a tubo-ovarian abscess, occurred due to appendicolith migration. This case highlights unusual CT findings of appendicitis complications.
Area of Science:
- Pediatric Surgery
- Radiology
- Gynecologic Oncology
Background:
- Acute appendicitis is a frequent surgical cause of abdominal pain in children.
- Atypical presentations occur in one-third of pediatric patients.
- Complications include perforation, abscess, peritonitis, and bowel obstruction.
Observation:
- A tubo-ovarian abscess developed in a patient post-appendectomy for perforated appendicitis.
- An appendicolith migrated into the right fallopian tube.
- The retained appendicolith caused obstruction and dilation of the fallopian tube.
Findings:
- Contrast-enhanced CT revealed the appendicolith within the fallopian tube.
- CT demonstrated features of tubo-ovarian abscess secondary to appendicolith migration.
- This represents an unusual complication of perforated appendicitis.
Implications:
- Highlights a rare but serious complication of perforated appendicitis.
- Emphasizes the importance of considering appendiceal complications in gynecologic presentations.
- Underscores the utility of contrast-enhanced CT in diagnosing unusual appendicitis sequelae.
Abstract:
Acute appendicitis is a common surgical cause of abdominal pain in the pediatric population. History and physical examination are atypical in up to a third of patients. Known potential complications of untreated or delayed management of acute appendicitis include appendiceal perforation, periappendiceal abscess formation, peritonitis, bowel obstruction and rarely septic thrombosis of mesenteric vessels. We report an unusual complication of perforated appendicitis. A tubo-ovarian abscess developed secondary to appendicolith migration into the right fallopian tube in a patient who had undergone interval laparoscopic appendectomy for perforated appendicitis. The retained appendicolith was visualized within the obstructed and dilated fallopian tube on contrast-enhanced CT. We discuss the CT imaging features of this unusual complication of perforated appendicitis.
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