胎儿型肺腺癌(fetal adenocarcinoma of the lung,FLAC)是一种罕见的肺部肿瘤.FLAC分为低级别FLAC(low-grade FLAC,L-FLAC)和高级别FLAC(high-grade FLAC,H-FLAC),两者在临床病理特征、生物学行为和临床结局方面有所不同.大多数H-FLAC患者是重度吸烟的中年人.本研究描述了1例罕见的非吸烟年轻男性患者,其最初表现为头顶肿块,最终被诊断为H-FLAC.本文旨在增进对FLAC的了解和认识,提高对该疾病的重视,以防止该疾病漏诊与误诊,加强早期识别、精准诊断,从而推进后续的有效治疗、改善预后.
High-grade Fetal Adenocarcinoma of the Lung with Scalp Metastasis:A Case Report
Fetal adenocarcinoma of the lung(FLAC)is a rare tumor.Due to its different clinicopathological fea-tures,biological behavior and clinical outcome,FLAC is classified into low-grade FLAC(L-FLAC)and high-grade FLAC(H-FLAC).Most patients with H-FLAC are middle-aged heavy smokers.Here,we describe an extremely rare case of a young male patient who denies smoking and initially presents with a mass on the top of the head and is eventually diagnosed with H-FLAC.The aim of this article is to improve the understanding and awareness of FLAC,and increase the attention to the disease,so as to prevent the underdiagnosis and misdiagnosis of the disease,strengthen early identification and accurate diagnosis,and pro-mote subsequent effective treatment and improve prognosis.
YouthFetal adenocarcinoma of the lungScalp tumorMetastasis
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