患者男,21岁,于20天前无明显诱因突然高烧,体温波动在38.5℃—39.3℃之间,呼吸急促、咳嗽无痰,胸骨及胫骨疼痛,鼻衄,经用抗菌素治疗无效。入院体检:体温39.3℃,脉搏120次/分,血压140/100mmHg。体质消瘦,呈贫血貌,热性病容,咽赤,鼻腔内有血痴,胸前可见散在之出血点及大小不等的瘀斑,压之不退色。双侧腹股沟处可触及蚕 The patient, male, 21 years old, had a sudden high fever with no apparent predisposition 20 days earlier. His body temperature fluctuated between 38.5 ° C and 39.3 ° C with shortness of breath, cough without sputum, sternum and tibial pain and epistaxis and was ineffective with antibiotics. Admission medical examination: body temperature 39.3 ℃, pulse 120 beats / min, blood pressure 140 / 100mmHg. Physique weight loss, anemia appearance, febrile disease, throat, nasal mucosa, blood scattered in the chest and scattered spots of varying sizes, the pressure does not fade. Bilateral groin can reach the silkworm