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一种罕见的自身免疫血溶性重叠:库姆斯阳性恶性贫血

Guilherme Ferreira Sacramento¹, Andrea Castanheira¹

¹Internal Medicine, Unidade Local de Saúde de Lisboa Ocidental, Lisbon, PRT.

|February 2, 2026

概括

这项研究提出了两种罕见的恶性贫血病与自身免疫血清性贫血病相结合的罕见病例. 识别这种双重诊断对于有效治疗维生素B12缺乏和同时发生的自身免疫血解至关重要.

科学领域:

血液学血液学血液学
免疫学免疫学免疫学
内部医学内部医学

背景情况:

恶性贫血是表皮细胞自身免疫性破坏的结果,导致维生素B12缺乏.
自身免疫性溶血性贫血的特点是Coombs直接测试的阳性.
恶性贫血和自身免疫血清性贫血的同时发生是非常罕见的.

研究的目的:

报告两例患有并发性恶性贫血和自身免疫性溶血性贫血的病例.
突出这一罕见的协会的诊断挑战和治疗影响.

主要方法:

对两名混合性贫血患者的病例报告分析.
对临床表现,实验室发现 (包括抗体测试和直接库姆斯测试) 和治疗反应的审查.

主要成果:

两位患者都出现了严重的贫血,维生素B12缺乏,并且直接Coombs测试呈阳性.
在这两种情况下都检测到抗内在因子和抗parietal细胞抗体.
患者在服用维生素B12补充剂和免疫抑制疗法后显著改善.

结论:

恶性贫血和自身免疫血清性贫血的同时呈现并不常见,但在临床上具有重大意义.
在维生素B12缺乏症患者中,早期识别自身免疫性血液溶解对于适当的管理至关重要.
及时诊断和联合治疗可以带来有利的结果.

关键词:

自体免疫血清性贫血 (aiha) 是一种疾病.库姆斯阳性贫血病的发生.混合性贫血症是一种混合性贫血症.患有恶性贫血症的人.温暖的自身免疫血液溶解性贫血症

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