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  • Doden, Kenji  (4)
  • 1
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2021
    In:  Surgical Case Reports Vol. 7, No. 1 ( 2021-12)
    In: Surgical Case Reports, Springer Science and Business Media LLC, Vol. 7, No. 1 ( 2021-12)
    Abstract: 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. Case presentation A 27-year-old woman visited our gynecology department 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 our department for detailed examinations and treatment. She was diagnosed with a presacral cystic tumor and decided to undergo surgery. We 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. Conclusions 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.
    Type of Medium: Online Resource
    ISSN: 2198-7793
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2809613-7
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  • 2
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2019
    In:  Surgical Case Reports Vol. 5, No. 1 ( 2019-12)
    In: Surgical Case Reports, Springer Science and Business Media LLC, Vol. 5, No. 1 ( 2019-12)
    Abstract: Portal venous gas has traditionally been considered an inevitable harbinger of death due to its association with bowel necrosis. Recently, an increasing number of cases of portal venous gas have been reported in patients with various clinical conditions and without bowel necrosis. We herein report the case of a patient in whom portal venous gas developed after transverse colon cancer surgery. Case presentation A 69-year-old man who had transverse colon cancer underwent insertion of a transanal ileus tube for decompression. Transverse colon resection was performed on the 11th day after the insertion of the transanal ileus tube. The patient had a high fever on the 6th day after the operation. Computed tomography showed portal venous gas over the entire area of the liver and pneumatosis intestinalis in the wall of the ascending colon. There were no signs of anastomotic leakage or bowel necrosis, so we decided to use conservative therapy with fasting and antibiotics. The portal venous gas disappeared on the 19th day after the operation. The patient was discharged in good condition on the 29th day after the operation. Conclusions Conservative treatment for portal venous gas is reasonable for patients without signs of anastomotic leakage or bowel necrosis. However, it is important to carefully observe patients with portal venous gas during conservative treatment because portal venous gas may be life-threatening.
    Type of Medium: Online Resource
    ISSN: 2198-7793
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2019
    detail.hit.zdb_id: 2809613-7
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  • 3
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2020
    In:  Surgical Case Reports Vol. 6, No. 1 ( 2020-12)
    In: Surgical Case Reports, Springer Science and Business Media LLC, Vol. 6, No. 1 ( 2020-12)
    Abstract: Douche injury is a rare consequence of water recreation activities. Generally, this type of trauma occurs when people fall into the water in a sitting position during high-speed activities such as using a personal watercraft (PWC). Here, we report a rare case of anorectal injury caused by water jets from a PWC during sudden acceleration from rest. Case presentation A 21-year-old male passenger on a PWC fell off backward from the rear seat when the craft suddenly accelerated. He fell into the water in a supine position with his legs open, and the water jets of the PWC struck his perineum directly. Thereafter, bleeding from the anus was seen, and he was transferred to our hospital. On physical examination, there was a deep laceration interrupting the external anal sphincter in the posterior rectal wall. Abdominal computed tomography revealed a full-layer perforation of the posterior rectal wall and leakage of feces into the extraperitoneal space, but intraperitoneal free air was not seen. Laparoscopic sigmoid loop colostomy and primary suturing of the sphincter and mucosa were performed. He did not have any complications and was discharged from our hospital 16 days after the surgery. His anal function was almost perfectly preserved, and his diverting colostomy was closed 4 months later. Conclusion Anorectal injuries related to PWCs can occur not only while traveling at high speeds, but also when suddenly accelerating from rest. A diverting colostomy should be performed for this type of trauma. In these trauma cases, clinicians must suspect complex and life-threatening anorectal injuries early.
    Type of Medium: Online Resource
    ISSN: 2198-7793
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 2809613-7
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  • 4
    In: International Journal of Surgery Case Reports, Elsevier BV, Vol. 77 ( 2020), p. 36-38
    Type of Medium: Online Resource
    ISSN: 2210-2612
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2020
    detail.hit.zdb_id: 2558001-2
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