# Ancient schwannoma—a rare cause of mesenteric root expansion

## TL;DR

A rare case of ancient schwannoma in the mesenteric root was diagnosed and successfully treated with surgery.

## Contribution

This case report highlights ancient schwannoma as a rare cause of mesenteric root expansion.

## Key findings

- Ancient schwannoma can present with nonspecific symptoms and mesenteric root expansion.
- Complete surgical removal is the recommended treatment for benign ancient schwannoma.
- Ancient schwannoma was confirmed as benign through CT biopsy and histological verification.

## Abstract

Ancient schwannoma is a rare cause of expansion of the mesenteric root. It grows from nerve fibers in the mesentery and manifests itself with nonspecific symtomps. The authors present the case of a 53-year-old patient who was examined for 2 months of fatigue and occasional abdominal cramps. Ultrasound examination of the abdomen showed resistance in the left mesogastric area. Blood count and biochemical blood tests were unremarkable. Magnetic resonance imaging did not show activation of lymph nodes during resistance and metastatic spread in the abdominal cavity. The expansion was diagnosed as bening ancient schwannoma by computed tomography biopsy performed before surgery. The patient underwent elective laparoscopic surgery and the tumor was completely removed. Subsequently, the diagnosis was histologically verified postoperatively. Adjuvant therapy and further dispensary for the patient was not indicated due to the benign nature of the tumor. Complete surgical removal of the tumor remains the best therapy.