Adult sacrococcygeal teratoma excised by endoscopic surgery
Although sacrococcygeal teratoma (SCT) is relatively common in children, it is rare in adults. The prognosis for malignant cases is poor, so prompt surgical resection is required. Transabdominal and transsacral approaches are common approaches for tumor resection. In recent years, there have been reports of tumor removal with laparoscopic assistance, but all have applied transabdominal approaches.

A 27-year-old woman visited because of abdominal pain and genital bleeding. Magnetic resonance imaging (MRI) revealed a 3-cm-sized cystic mass in the left retrorectal area, and she was referred to the department for detailed examinations and treatment. She was diagnosed with a presacral cystic tumor and decided to undergo surgery. The author used a transsacral approach to perform tumor excision. Since it was difficult to confirm the deep part of the tumor through direct visualization, we used GelPOINT® Path (a transanal access platform) and AirSEAL® System (insufflation device) to remove the tumor endoscopically. The postoperative course was uneventful with no bladder or rectal dysfunction. Histopathological examination revealed a mature teratoma.

When the tumor is relatively small and located in the lower sacrum, the endoscopically assisted transsacral approach can establish a stable field of view by expanding the depth of the surgical field. This method is useful considering its ability to perform excision without leaving residual tumor tissue and satisfactory safety and cosmetic results.

Source:https://surgicalcasereports.springeropen.com/articles/10.1186/s40792-021-01263-y
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