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Splenosis of the Mesoappendix with Acute Appendicitis: A Case Report

Omran Al Dandan, Ali Hassan, Hind S. Alsaif, Sukaina Altalaq, Anas Al-Othman, Bayan Aljawad, Ghadeer Alhajjaj, Saeed Alshomimi

(Department of Radiology, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Al-Khobar, Saudi Arabia)

Am J Case Rep 2020; 21:e921685

DOI: 10.12659/AJCR.921685

BACKGROUND: Splenosis is a benign condition involving the auto-transplantation of splenic tissue at various locations, resulting from splenic injury or splenectomy.
CASE REPORT: A 40-year-old male, with a history of remote exploratory laparotomy with splenectomy secondary to blunt abdominal trauma, presented with symptoms consistent with acute appendicitis, which was subsequently confirmed by computed tomography scan of the abdomen that further demonstrated the presence of multiple abdominal nodules, one of which was adjacent to the appendix. A laparoscopic appendectomy was then performed along with resection of the nodule located in the mesoappendix, which was confirmed to be a splenic tissue based on histopathological examination.
CONCLUSIONS: Abdominal splenosis is not an uncommon condition in patients with a history of splenic injury. However, the involvement of the mesoappendix, which may or may not contribute to acute inflammation of the appendix, is very rare.

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