The characteristic signs included inspiratory dyspnea and diarrhea in acute type and neural symptom in chronic type.

急性型为吸气性呼吸困难和腹泻，慢性型为神经症状；

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Objective To explore the value of ct and MRI in the early diagnosis of acute type I Herpes simplex encephalitis (HSE).

目的探讨CT和MRI对急性I型单纯疱疹病毒性脑炎(HSE)的早期诊断价值。

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Although definitive treatment of acute type A aortic dissections requires surgery, not more than 80% of patients in IRAD underwent surgery;

尽管明确指出A型主动脉夹层需要急诊手术，但是仅有不到80％的患者进行手术治疗。

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"Langerhans cell sarcoma is extremely rare, with only 40-50 reported cases in the literature, and only one other case of it arising from his particular type of leukaemia (acute lymphoblastic), " the spokesperson said.

BBC: Deryn Blackwell by Becky Williams