发生于肠系膜的胰腺外假乳头状瘤,伪装成肠系膜囊肿--病例报告

Praharsha G S, B. V. C. Jagadeesh, N. D. T
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摘要

背景:方法:胰腺实性假乳头状瘤非常罕见,胰腺外来源的SPN更为罕见。(2)我们报告了一例 30 岁女性的病例,她的腹部肿块生长缓慢,因临床怀疑肠系膜囊肿而接受了剖腹探查术。术中发现肠系膜上长出一个结节,组织病理学检查显示其为成片的小圆形细胞,呈乳头状和假乳头状排列,IHC检查显示这些细胞的β-Catenin呈阳性,确rming诊断为胰腺实性假乳头状肿瘤。(3) 在英文文献中,有 50 例胰腺假乳头状瘤的报道,其中只有一例来自肠系膜。虽然胰腺 SPN 的恶性潜能较低,但据观察,胰腺外 SPN 的转移潜能和复发率较高,因此建议进行切除。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
EXTRAPANCREATIC PSEUDOPAPILLARY NEOPLASM ARISING FROM THE MESENTERY, MASQUERADING AS A MESENTERIC CYST – A CASE REPORT
Background: Methods: Solid Pseudopapillary Neoplasms of the Pancreas are rare entities, and extrapancreatic origin of SPN are even rarer. (2) We present a case of a 30-year-old female with a slow growing abdominal mass, who underwent exploratory laparotomy owing to the clinical suspicion of a mesenteric cyst. Intraoperatively, there was a nodular growth arising from the mesentery, which on histopathologic exam showed sheets of small round cells arranged in patterns of papillae and pseudopapillae, and on IHC, these cells were positive for β-Catenin, conrming the diagnosis of Solid Pseudopapillary Neoplasms of the Pancreas. (3) There are 50 reported cases of Ext Conclusion: rapancreatic SPN, with only one other documented case arising from the mesentery, in the English literature. Although Pancreatic SPNs have low malignant potential, Extrapancreatic SPNs have been observed to have higher metastatic potential and recurrence rates, hence excision is recommended.
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