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首页> 外文期刊>Radiologia Brasileira >Congenital lobar emphysema
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Congenital lobar emphysema

机译:先天性肺气肿

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malignancy. Isolated EMPD, without a coexisting internal pri mary lesion, is usually an indolent, slow-growing cancer that rarely metastasizes. Rare invasive EMPD has a propensity to metastasize to inguinal nodal basins(5). EMPD involving the external genitalia has a strong association with gastrointesti nal and genitourinary adenocarcinomas(4,6). A small subset of invasive EMPD cases show signet-ring cell morphology with extracellular mucin. Immunohistochemical analysis establishes the distinction between signet-ring cells intrinsic to EMPD and those originating from coexisting visceral neoplasms(7,8). Poor prognostic factors include dermal invasion, nodular skin lesions, lymph node involvement, and distant metastasis(3). Given the multiple presentations of EMPD and their varying prognoses, there is a need to identify distant metastases and the primary visceral tumor: that effort is facilitated by functional 18F-FDG PET/CT imaging(1–6).
机译:恶性肿瘤。孤立的EMPD,没有共存的内部主要病变,通常是一种惰性的,生长缓慢的癌症,很少转移。罕见的侵袭性EMPD有转移至腹股沟淋巴结的倾向(5)。涉及外部生殖器的EMPD与胃肠道和泌尿生殖道腺癌有很强的联系(4,6)。一小部分侵入性EMPD病例显示出带有细胞外粘蛋白的印戒细胞形态。免疫组织化学分析确定了EMPD固有的印戒细胞与共存内脏肿瘤的印戒细胞之间的区别(7,8)。不良的预后因素包括真皮侵袭,结节性皮肤病变,淋巴结受累和远处转移(3)。考虑到EMPD的多种表现及其预后的不同,有必要确定远处转移灶和原发性内脏肿瘤:通过功能性18F-FDG PET / CT成像可促进这一努力(1-6)。

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