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Laparoscopic Distal Gastrectomy Using Multimodal Visualization in a Patient with Situs Inversus Totalis and a
Takahiro Otani1, Takuya Kichiraku1, Satoru Motoyama1
1Department of Gastrointestinal Surgery, Japanese Red Cross Akita Hospital, Akita, Akita, Japan.
Surgical Case Reports
|June 3, 2026
Summary
This study reports a successful laparoscopic distal gastrectomy in a patient with situs inversus totalis (SIT) and a duplicated portal vein (DPV). Multimodal visualization and careful planning ensured safe surgery despite rare venous anomalies.
Area of Science:
- Surgical Innovation
- Anatomical Variations
- Gastrointestinal Surgery
Background:
- Situs inversus totalis (SIT) is a rare congenital condition with mirror-image organ transposition.
- Venous anomalies, especially in the portal system, are exceptionally rare in SIT patients.
- These anomalies pose significant challenges for minimally invasive surgery.
