你知道什么是“糖葫芦征”吗?YXZX095:

2022-10-16 新乡医学影像 临床时间公众号

髓外造血是骨髓红系造血功能衰竭的响应。髓外造血发生在血红蛋白病,骨髓增生性疾病或骨髓浸润性疾病。它大多发生在脾脏和肝脏,偶尔在淋巴结中出现。

髓外造血是骨髓红系造血功能衰竭的响应。髓外造血发生在血红蛋白病,骨髓增生性疾病或骨髓浸润性疾病。它大多发生在脾脏和肝脏,偶尔在淋巴结中出现。不常见的器官包括胸膜、肺、胃肠道、乳腺、皮肤、脑、肾和肾上腺。

病理病因

  • 骨髓增生性疾病

          .慢性粒细胞性白血病

          .真性红细胞增多症

          .原发性血小板增多症

          .骨髓纤维化伴髓样化生

  • 血红蛋白病

           .镰状细胞病

  • 地中海贫血

影像学特征

髓外造血器官,影像学上通常表现为器官增大,如超声、CT或MRI上表现为肝肿大、脾大。然而,在不常见的情况下,髓外造血可以发生在胸腔内,呈后纵隔肿块,变现为单侧或双侧脊柱旁肿块,边缘光滑,轮廓分明,常呈分叶状边缘。

病例图片

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    2022-10-17 小灯

    学习了

    0

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    2022-10-16 ms1000001276526108

    学习到了这个知识点

    0

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    2022-10-16 ms1000001276526108

    学习了

    0

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