Search Results - Takuhisa Okada
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A long-term survivor of clear cell sarcoma-like tumor of the gastrointestinal tract with liver metastasis: a case report
Published 2020-10-01Get full textAbstract Background Clear cell sarcoma-like tumor of the gastrointestinal tract (CCSLTGT) is extremely rare. It is a mesenchymal neoplasm that usually forms in the small intestine of adolescents and young adults, is prone to local recurrence and metastasis, and has a high mortality rate. We report a...
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Laparoscopic surgical management of a mature presacral teratoma: a case report
Published 2019-09-01Get full textAbstract Background Mature presacral (retrorectal) teratoma is very rare. We report a case in which a mature retrorectal teratoma in an adult was successfully treated with laparoscopic surgery. Case presentation A 44-year-old woman was diagnosed with a presacral tumor during a physical examination....
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A successful case of laparoscopic colorectal cancer resection in an elderly patient with factor XI deficiency
Published 2019-05-01Get full textAbstract Background Congenital XI factor deficiency is a rare disease caused by autosomal recessive inheritance. Clinically, there are few spontaneous hemorrhages, which can cause abnormal bleeding after trauma, surgery, and tooth extraction. We experienced a colon cancer patient with congenital XI...
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A case of colorectal large cell neuroendocrine carcinoma accompanied by disseminated peritoneal leiomyomatosis
Published 2020-12-01Get full textAbstract Background Neuroendocrine carcinomas (NECs) of the colon are among the rarest types of colorectal cancers. Among these, large cell type neuroendocrine carcinoma (LCNEC) is particularly rare. Colorectal NEC is an aggressive disease, and there are few reports of long-term survivors. Here, we...
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Sigmoid colon schwannoma difficult to distinguish from peritoneal dissemination 13 years after pancreatic neuroendocrine tumor surgery
Published 2023-05-01Get full textAbstract Background Schwannoma, which clinicians sometimes struggle to diagnose, is a tumor arising from Schwann cells of peripheral nerves, often in the soft tissues and rarely in the gastrointestinal tract. Pancreatic neuroendocrine tumor (PNET) is rare among pancreatic tumors, and recurrence can...
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Squamous cell carcinoma of the anus successfully treated with multidisciplinary therapy for metachronous metastatic and local recurrences after DCF chemotherapy: a case report
Published 2024-03-01Get full textAbstract Background Docetaxel, cisplatin, and 5-fluorouracil (DCF) chemotherapy is reportedly an effective treatment strategy for squamous cell carcinoma of the anus (SCCA). However, studies regarding its use in Japanese patients remain scarce. Case presentation Here, we present the case of an 82-ye...
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Bowel obstruction due to Chlamydia trachomatis: a case report and review of literature
Published 2021-02-01Get full textAbstract Background Chlamydial infection is a difficult-to-diagnose type of sexually transmitted disease that occurs mainly in young people. We report a case of bowel obstruction caused by intrapelvic adhesions formed by chlamydial infection. Case presentation This patient was a 23-year-old woman wh...
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Gangrenous ischemic colitis localized to the cecum: a case report
Published 2023-01-01Get full textAbstract Background Ischemic colitis affects the left colon in elderly individuals and localization on the right side, especially in the cecum, is rare. We report a case of gangrenous ischemic colitis localized in the cecum of a patient undergoing hemodialysis. Case presentation A 73-year-old man ha...
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Outcomes of surgical treatment in patients with anorectal fistula cancer
Published 2021-01-01Get full textAbstract Background No standard treatment for anorectal fistula cancer, such as multidisciplinary therapy, has been established due to the rarity of the disease. Herein, we investigated patients with cancer associated with anorectal fistula who underwent surgery to clarify the clinicopathological ch...
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Retrograde drainage for duodenal stump leakage using ileal decompression tube guided by double-balloon endoscopy: a novel case report
Published 2024-02-01Get full textAbstract Background Duodenal stump leakage is a serious post-gastrectomy complication, and there have been no reports on endoscopic drainage. Case presentation We report a case of duodenal stump leakage after laparoscopic gastrectomy with Roux-en-Y reconstruction in a 68-year-old man. First-line con...
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