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首页> 外文期刊>International Journal of Trichology >Three Cases of Radiation-induced Temporary Alopecia with Hair Microscopic Examination: “Coudability Hair” Might Not be Specific for Alopecia Areata
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Three Cases of Radiation-induced Temporary Alopecia with Hair Microscopic Examination: “Coudability Hair” Might Not be Specific for Alopecia Areata

机译:辐射显微镜下检查头发引起的临时性脱发的三例:“可编码性头发”可能不是区域性脱发所特有的

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Endovascular interventional procedures are widely used for the treatment of intracranial vascular lesions. However, they sometimes produce reversible alopecia, known as radiation-induced temporary alopecia, depending on the radiation dose. Radiation-induced temporary alopecia manifested as rectangular alopecic patches without signs of inflammation, reflects damage to the keratinocytes in the hair matrix of anagen hair follicles, due to the sensitivity of these cells to radiation. The characteristics of radiation-induced temporary alopecia are similar to those of alopecia areata as follows: (1) clinical findings of well-defined alopecic patches and (2) dermoscopic findings of yellow dots, black dots, and short vellus hairs. The two conditions can be distinguished according to whether there is any history of endovascular interventional procedures, and by the shapes of the lesions and the inflammation status on histopathologic examination. A hair microscopic examination is a useful diagnostic tool in patients with hair loss disease, but the features of radiation-induced temporary alopecia have not been well described. Here, we report three cases of radiation-induced temporary alopecia preceded by endovascular procedures, including stent insertion and coil embolization. Key words: Alopecia, anagen effluvium, radiation.
机译:血管内介入手术被广泛用于颅内血管病变的治疗。但是,它们有时会根据辐射剂量产生可逆的脱发,称为辐射诱发的临时性脱发。辐射引起的暂时性脱发表现为矩形的斑秃斑块,没有炎症迹象,反映了对毛发生长毛囊的毛发基质中角质形成细胞的损害,原因是这些细胞对辐射敏感。辐射诱发的临时性脱发的特征与斑秃的特征相似,如下:(1)明确的脱发斑块的临床表现和(2)皮肤镜下的黄点,黑点和短绒毛。可以根据是否有血管内介入手术的历史,以及病变的形状和组织病理学检查中的炎症状态来区分这两种情况。毛发显微镜检查是脱发疾病患者的有用诊断工具,但是辐射诱发的临时性脱发的特征尚未得到充分描述。在这里,我们报告了3例由辐射引起的暂时性脱发,然后进行了血管内手术,包括支架置入和线圈栓塞。关键词:脱发,生长期出汗,辐射。

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