ArticleClinical case reports2026
A Rare Finding of Retroperitoneal Sepsis Following Robot-Assisted Transanal Minimally Invasive Surgery (TAMIS): A Case Report and Review of the Literature.
Article in Clinical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Robot-assisted transanal minimally invasive surgery (TAMIS) is a safe and effective platform for the local excision of early rectal lesions. While postoperative complications such as bleeding or contained perforation are recognized, rapidly progressive retroperitoneal sepsis remains an exceedingly rare occurrence. A 56-year-old male underwent robot-assisted TAMIS for a pT1 grade 1 rectal neuroendocrine tumor (NET). Despite successful circumferential excision and defect closure with sutures, the patient developed fever, hypotension, and rising lactaemia within 24 hours. Computed tomography demonstrated localized gas in the total mesorectal excision (TME) plane. Due to hemodynamic instability and suspected retroperitoneal sepsis, a diagnostic laparotomy was performed, revealing purulent peritonitis and pneumoretroperitoneum. Concurrent flexible sigmoidoscopy revealed a healthy-appearing TAMIS site. Management involved an end colostomy, laparostomy, and broad-spectrum antibiotics after intra-operative swabs grew extended-spectrum beta-lactamase (ESBL)
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