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[原发性肺扩散性大B细胞淋巴瘤模仿晚期肺癌:一个病例报告]
Daisuke Ito1, Hitoshi Suzuki, Shin Shomura
1Department of Cardiovascular Surgery, Mie Prefectural General Medical Center, Yokkaichi, Japan.
概括
主要的肺扩散性大B细胞淋巴瘤 (DLBCL) 是罕见的. 甲基酸相关的淋巴增殖障碍 (MTX-LPD) 可以模仿肺癌,药物停止可能导致瘤缩.
科学领域:
- 在瘤学瘤学.
- 肺部病理学 肺部病理学
- 病理学 病理学 病理学
背景情况:
- 初级扩散性肺大B细胞淋巴瘤 (DLBCL) 是一种不常见的恶性瘤.
- 甲托雷克萨特 (MTX) 可以诱导淋巴增殖性疾病 (LPD),这些疾病可能以肺结节的形式出现.
- 区分MTX相关的LPD与原发性肺癌可能是具有挑战性的.
研究的目的:
- 报告一种罕见的初级肺DLBCL病例,这是MTX-LPD的次要病例.
- 突出诊断挑战和考虑药物诱导状况的重要性.
- 强调外科手术的作用,当少入侵的方法失败.
主要方法:
- 一名73岁的男性出现了正在生长的肺结节.
- 最初的跨支气管镜活检没有得出结论.
- 阳位子发射断层扫描 - 计算机断层扫描 (PET-CT) 表明晚期肺癌.
- 胸腔镜部分肺切除进行了诊断和治疗.
主要成果:
- 组织病理学检查证实了原发性肺部DLBCL (CD20 +,CD79a +,bcl-2 +).
- 怀疑发生甲托雷克萨特相关的淋巴增殖性疾病 (MTX-LPD).
- 停止使用甲状腺素导致瘤显著缩.
- 在停止使用MTX后,患者的病情有所改善.
结论:
- MTX-LPD可以呈现为一次性肺DLBCL,模仿肺癌.
- 对于不明原因的,不断增长的肺结节,应考虑进行积极的外科诊断,特别是当活检是非诊断性的时.
- 停止使用诸如甲状腺素这样的干扰剂对于管理MTX-LPD至关重要.
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