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首页> 外文期刊>World Journal of Gastroenterology >Adenosquamous carcinoma arising within a retrorectal tailgut cyst: Report of a case.
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Adenosquamous carcinoma arising within a retrorectal tailgut cyst: Report of a case.

机译：直肠后尾肠囊肿内出现腺鳞癌：一例报告。

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摘要

Retrorectal, developmental tail gut cysts, include dermoid cysts, rectal duplication cysts and retrorectal cyst-hama-rtomas. Retrorectal cyst-hamartomas (RCH) are derived from remnants of the tail gut, the most caudal part of the embryonic hind gut, which normally involutes by the 8(th) wk of embryonic development (3-8 mm stage). They have specific radiological and histopathological features that distinguish them from other similar formations (dermoid cysts, enteric duplication cysts and teratomas). We report a patient with adenosquamous carcinoma arising within RCH, who underwent complete resection of the cyst through anterior laparotomy, and reached complete (recurrence-free for 14 mo, so far) functional recovery. The cyst was incidentally discovered during hysterectomy 12 years ago. Diagnostic, therapeutic and histopathological aspects of this rare case are discussed. The mentioned period between diagnosis and surgical treatment suggests that RCH, given enough time, can develop malignant degeneration, and should be resected at the time of diagnosis.
机译：直肠后，发育中的尾肠囊肿包括皮样囊肿，直肠重复性囊肿和直肠后囊肿-哈马氏瘤。直肠后囊肿-血管瘤（RCH）来源于尾肠的残余物，尾肠是胚胎后肠的最末尾部分，通常在胚胎发育的第8周（3-8毫米阶段）渐开线。它们具有特定的放射学和组织病理学特征，使它们与其他类似的形态（皮样囊肿，肠复制囊肿和畸胎瘤）区分开。我们报道了一名在RCH内发生的腺鳞癌患者，该患者通过前剖腹手术对囊肿进行了完全切除，并达到了完全的功能恢复（迄今为止无复发，持续了14个月）。十二个月前在子宫切除术中偶然发现了囊肿。讨论了这种罕见病例的诊断，治疗和组织病理学方面。在诊断和手术治疗之间提到的这段时间表明，RCH，如果有足够的时间，可能会发展为恶性变性，应在诊断时切除。

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