A 55-year-old man who had been admitted to the intensive care unit had a sudden-onset vesicular rash appear across his trunk and arms, as shown. He had undergone a small-bowel resection; his post-operative course had been complicated by sepsis, fevers, and respiratory failure. On exam, he was wrapped tightly in blankets. The vesicles did not rupture with light palpation but broke when more pressure was applied. What is the diagnosis?
一名被收入重症监护病房的55岁男性，躯干和手臂突然出现水疱性皮疹，如图所示。他接受过小肠切除术;他的术后病程并发脓毒症、发热和呼吸衰竭。检查时他被紧紧地裹在毯子里。轻触诊时水疱不破裂，但更大压力时破裂。诊断是什么?
A. Drug eruption 药疹
B. Dyshidrotic eczema 汗疹
C. Herpes zoster due to virus reactivation 由病毒再激活引起的带状疱疹
D. Miliaria crystallina 晶状体粟粒
E. Pityrosporum folliculitis 糠秕孢子菌毛囊炎
答案解析：
正确答案是晶状体粟粒。24小时后，皮疹自行消退，无需干预。晶状体粟粒是角质层汗管浅表阻塞引起的良性、自解性皮肤疾病。最常见于新生儿，但也见于暴露于高热和高湿的成人。建议避免使用紧身毯子，以减少出汗和皮肤刺激。
正确答案：D
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