# Successful resection of a rectal gastrointestinal stromal tumor using a transperineal approach: a case report

**Authors:** Yoki Endo, Tatsunari Fukuoka, Shintaro Ozawa, Takemi Ishidate, Ken Yonemitsu, Yuki Seki, Hiroaki Kasashima, Yuichiro Miki, Mami Yoshii, Tatsuro Tamura, Masatsune Shibutani, Takahiro Toyokawa, Shigeru Lee, Kiyoshi Maeda

PMC · DOI: 10.1186/s40792-024-02007-4 · Surgical Case Reports · 2024-09-10

## TL;DR

A 73-year-old man with a rectal tumor underwent successful surgery using a less invasive perineal approach, preserving anal function and avoiding major complications.

## Contribution

The report presents a successful transperineal resection of a rectal GIST, offering a minimally invasive alternative for similar cases.

## Key findings

- A transperineal approach successfully resected a rectal GIST near the anal verge.
- The patient had an uneventful recovery and no recurrence after surgery.
- The approach preserved anal function and avoided highly invasive procedures.

## Abstract

Rectal gastrointestinal stromal tumors (GISTs) complicate surgical approaches because of their anatomical position. We herein report a patient with rectal GIST on the anterior wall of the lower rectum, hat was successfully resected using a transperineal approach.

This report describes a unique case of a 73-year-old man who was diagnosed with rectal GIST on the anterior wall of the lower rectum. The tumor was located within 3 cm of the anal verge, a location that would require highly invasive surgery. A transperineal approach was planned to preserve the anal function. Under general anesthesia, the patient was placed in a lithotomy position and a Mercedes-Benz incision was made in the perineum. Excision of the tumor was performed. The post-operative course was uneventful, and the patient remained free from recurrence.

This case highlights the importance of performing minimally invasive and safe surgery. With some surgical refinements, a transperineal approach may be an option for surgical procedures in patients with rectal GIST on the anterior wall of the lower rectum.

## Linked entities

- **Diseases:** GIST (MONDO:0011719)

## Full-text entities

- **Diseases:** tumor (MESH:D009369), GISTs (MESH:D046152)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## Figures

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Source: https://tomesphere.com/paper/PMC11387563