Nerve alterations showing autophagy in 2 patients with lichen aureus

Nerve alterations showing autophagy in 2 patients with lichen aureus
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2 例金黄色葡萄球菌患者的神经改变显示自噬

DOI:
10.1111/cup.13131
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发表时间:
2018
影响因子:
1.7
通讯作者:
Mochizuki T
Mochizuki T
中科院分区:
医学4区
文献类型:
--
作者:
Yanagihara M;Makino T;Shimizu T;Mochizuki T

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金黄色苔藓是一种罕见的慢性持续性紫癜性皮肤病,临床特征为明显的黄色至古铜色皮损。组织学上,金黄色苔藓与其他色素性紫癜性皮肤病的不同之处在于含有与表皮密切相关的致密带状浸润物。本文报告2例金黄色苔藓患者,1例20岁女性右臂病变,1例51岁男性腹股沟右侧病变。皮肤活检标本显示两名患者的发现几乎相同,包括致密的带状浸润物,内含淋巴细胞,组织细胞含含铁血黄素沉淀物,散在渗出的红细胞和真皮-表皮交界处的神经改变。损伤内神经充满颗粒,微管相关蛋白1A/1B轻链3抗体染色阳性,提示神经内自噬。这些改变的神经仅存在于带状真皮淋巴细胞浸润区。病变的电子显微镜显示雪旺细胞内有自噬小体积聚。
Lichen aureus is a rare, chronic, persistent purpuric dermatosis clinically characterized by striking yellow‐ to bronze‐colored lesions. Histologically, lichen aureus differs from other pigmented purpuric dermatoses in containing dense, band‐like infiltrates closely associated with the epidermis. This report describes 2 patients with lichen aureus, a 20‐year‐old woman with a lesion on her right arm and a 51‐year‐old man with a lesion on the right side of his groin. Skin biopsy specimens revealed almost identical findings in both patients, including dense band‐like infiltrates containing lymphocytes, histiocytes with hemosiderin deposits scattered extravasated red blood cells and nerve alterations at the dermo‐epidermal interface. The nerves within the lesions were filled with granules, which stained positive with antibody to microtubule‐associated protein 1A/1B‐light chain 3, suggesting autophagy within the nerves. These altered nerves were present only in areas of band‐like dermal lymphocytic infiltration. Electron microscopy of the lesions showed the accumulation of autophagosomes in Schwann cells.
金黄色葡萄球菌:一种局部持续性色素性紫癜皮炎
DOI: 10.1111/j.1365-2133.1985.tb04858.x
发表时间: 1985
影响因子: 10.3
作者:
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通讯作者: D. Macdonald
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发表时间: 1984
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影响因子: --
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