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Unexpected histopathology of acute appendicitis
Mutee Ur Rehman1, Felik Paulus2, Min Hoe Chew3
1Department of General Surgery. Sengkang Hospital, 378 Alexandra Road, 159964, Singapore.
International Journal of Surgery Case Reports
|July 22, 2017
Summary
Appendiceal diverticulitis is a rare condition mimicking appendicitis. Early surgical intervention is recommended due to potential complications and a strong association with malignancy.
Area of Science:
- Gastroenterology
- Surgical Pathology
Background:
- Appendiceal diverticula and diverticulitis are uncommon conditions.
- Patients often present with symptoms similar to acute appendicitis, necessitating surgical intervention.
- Diagnosis is typically confirmed through histopathology after surgery.
Purpose of the Study:
- To report a rare case of acute diverticulitis of the appendix.
- To highlight the diagnostic challenges and management of this condition.
- To emphasize the association with malignancies.
Main Methods:
- A case study of a 33-year-old male presenting with right iliac fossa pain.
- Diagnosis of appendicitis was made via Computerized Tomography (CT) scan.
- Laparoscopic appendicectomy was performed, with histopathology revealing appendiceal diverticulitis.
Main Results:
- Histopathology confirmed acute diverticulitis of the appendix with acellular mucin.
- The patient experienced an uneventful recovery following laparoscopic appendicectomy.
- Appendiceal diverticulitis is reported in 0.004%-2% of appendicectomies.
Conclusions:
- Acute diverticulitis of the appendix is exceptionally rare, often presenting with complications like perforation or bleeding.
- A significant association exists between appendiceal diverticulitis and malignancies such as mucinous neoplasm and carcinoid.
- Routine inspection of appendix specimens and peritoneal cavity examination are recommended due to potential malignant associations.
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