肺腺癌合并血管内大B细胞淋巴瘤1例并文献复习

Intravascular Large B-cell Lymphoma Presenting with Lung Adenocarcinoma:A Case Report and Literature Review

血管内大B细胞淋巴瘤(intravascular large B-cell lymphoma,IVLBCL)是一种侵袭性结外大B细胞淋巴瘤,在同一器官与其他恶性肿瘤同时发生非常罕见,尤其是肺。本文报道1例肺腺癌合并IVLBCL的罕见病例。患者因腹泻伴发热、咳嗽入院。胸部计算机断层扫描(computed tomography,CT)示右肺上叶不规则斑片状高密度影,边缘有磨玻璃影。入院后给予患者抗感染等治疗,但仍有间断低热(最高37.5 ℃)。经皮肺穿刺活检(percutaneous lung biopsy,PLB)病理诊断为贴壁生长为主的腺癌,局部考虑浸润。手术后病理诊断为肺浸润性非黏液性腺癌合并IVLBCL。本文通过分析其临床病理特征,并复习相关文献,以提高临床和病理医师对该肿瘤的认识,避免漏诊或误诊。

Intravascular large B-cell lymphoma(IVLBCL)is an aggressive extranodal large B-cell lymphoma,cocurrence in the same organ with other malignancies is very rare,especially in the lung.Here,we report a rare case of lung adenocarcinoma with IVLBCL.The patient was admitted to the hospital due to diarrhea associated with fever and cough.A computed tomography(CT)scan of the chest showed an irregular patchy high-density shadow in the upper lobe of the right lung with ground-glass opacity at the margin.After admission,the patient was given anti-infection treatment,but still had intermittent low fever(up to 37.5 ℃).The pathological diagnosis of percutaneous lung biopsy(PLB)was lepidic-predominant adenocarcinoma with local infiltration,which was proved to be invasive nonmucinous adenocarcinoma of the lung with IVLBCL after surgery.This paper analyzed the clinicopathological characteristics and reviewed the relevant literature to improve the knowledge of clinicians and pathologists and avoid missed diagnosis or misdiagnosis.