,单击此处编辑母版标题样式,*,麻疹,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,第十章感染性疾病病毒感染-麻疹,Measles,蚌埠医学院附属医院儿科 董淮富,11/15/2024,1,麻疹,第十章感染性疾病病毒感染-麻疹 Measles蚌埠医,目的要求,熟悉麻疹的病因、流行病学及发病机制,掌握麻疹早期诊断要点及典型临床经过,熟悉其它类型麻疹的临床表现,熟悉麻疹常见并发症,掌握麻疹与其它发疹性传染病的鉴别要点,掌握麻疹的防治原则及方法,11/15/2024,2,麻疹,目的要求熟悉麻疹的病因、流行病学及发病机制10/10/202,概述(overview),麻疹是一种由麻疹病毒引起的急性呼吸道传染病,(Measles is an acute respiratory contagious disease caused by measles virus),11/15/2024,3,麻疹,概述(overview)麻疹是一种由麻疹病毒引起的急性呼,概述(overview),临床特征为：发热、上呼吸道炎症、结合膜炎、,Koplik,斑及全身性斑丘疹,(clinical features:fever,upper respiratory inflammation,conjunctivitis,Kopliks spots and generalized maculopapular rash),11/15/2024,4,麻疹,概述(overview)临床特征为：发热、上呼吸道炎症、,病原,(ETIOLOGY),麻疹病毒,(measles virus),属副粘液病毒，无亚型，仅一种抗原型,(RNA-containing virus of the Paramyxovirus family,only one,serotype),11/15/2024,5,麻疹,病原(ETIOLOGY)麻疹病毒(measles viru,病原,(ETIOLOGY),麻疹病毒,(measles virus),麻疹病毒不耐热，对日光和消毒剂均敏感，但在低温中能长期保存,(Measles virus are rapidly inactivated by heat,light,and all kinds of desinfectant,but can be stored indefinitely at low temperature),。,11/15/2024,6,麻疹,病原(ETIOLOGY)麻疹病毒(measles viru,病原,(ETIOLOGY),麻疹病毒,(measles virus),存在于患者前驱期和出疹期的眼结膜、鼻、咽、气管等分泌物中,(,During the prodromal period and eruption period,it is found in sections of conjunctiva,nose ,pharynx ,trachea and so on),。,11/15/2024,7,麻疹,病原(ETIOLOGY)麻疹病毒(measles viru,麻疹的发病机制,鼻、咽 短期繁殖,病毒 局部粘膜 血流 远处器官单核,眼结膜 （第一次）巨噬细胞系统,潜伏期,大量繁殖 局部症状,血流,（第二次）,前驱期 全身症状,11/15/2024,8,麻疹,麻疹的发病机制 10/10/20238麻疹,病理,(PATHOGEY),全身淋巴组织增生，有多核巨细胞形成,(Hyperplasia of all lymphoid tissue,usually occurs,multinucleated giant cells may be found,),11/15/2024,9,麻疹,病理(PATHOGEY)10/10/20239麻疹,病理,(PATHOGEY),多核巨细胞(multinucleated,giant cells)：多个巨噬细胞融合形成的具有核内外包涵体的巨细胞,网状内皮巨细胞也称华-佛细胞（reticuloendothelial giant cells or Warthin-Finkeldey cells)：存在于全身淋巴组织和肝、脾等脏器中,上皮巨细胞（epithelial giant cells）：主要位于皮肤、眼结合膜、呼吸道和消化道粘膜等处,11/15/2024,10,麻疹,病理(PATHOGEY)多核巨细胞(multinucleat,病理,(PATHOGEY),皮肤、眼结合膜、鼻咽部、支气管、肠道粘膜等处可见单核细胞增生及围绕在毛细血管周围的多核巨细胞，淋巴样组织肥大,(,Prolifieration of mononuclear cells is found in the skin,in the,conjunctivae and in the mucous membranes of the nasopharynx,bronchi,and intestinal tract,multinucleated giant cells occur around the capillaries.Hyperplasia of lymphoid tissue occurs.),11/15/2024,11,麻疹,病理(PATHOGEY)皮肤、眼结合膜、鼻咽部、支气管、肠道,病理,(PATHOGEY),颊粘膜下层的微小分泌腺发炎，其病变内有浆液渗出及内皮细胞增殖形成Koplik斑,(An inflammatory reaction occurs in the fine secretor of the buccal mucosa,where serous exudate and proliferation of endothelial cells result in,Kopliks,spots),11/15/2024,12,麻疹,病理(PATHOGEY)颊粘膜下层的微小分泌腺发炎，其病变内,病理,(PATHOGEY),麻疹引起的间质性肺炎为Hecht巨细胞肺炎 (Interstitial pneumonitis resulting,from measles virus takes the form of Hecht giant cell pneumonia),11/15/2024,13,麻疹,病理(PATHOGEY)10/10/202313麻疹,病理,(PATHOGEY),麻疹皮疹的病理改变：真皮毛细血管内皮增生、血浆渗出、红细胞相对增多形成淡红色斑丘疹(Maculopapular rash consists of proliferation of capillary,endothelial cells in skin,serous exudate and relative increase of red cells),疹退后，表皮细胞坏死、角化形成脱屑。,皮疹处红细胞裂解，疹退后形成棕色色素沉着。,11/15/2024,14,麻疹,病理(PATHOGEY)麻疹皮疹的病理改变：真皮毛细血管内皮,典型麻疹,(Typical measles),潜伏期,(Incubation stage),一般为1014天(亦可短至1周)，此期可有轻度体温上升,(It lasts usually 1014 days after contact,maybe as short as 1 week.The temperature may increased slightly),。,临床表现,11/15/2024,15,麻疹,典型麻疹(Typical measles)潜伏期(Incub,典型麻疹,前驱期,(Prodromal stage),指从发热至出疹,一般为3-4天,(from fever to rash appearance,usually lasts 3-4 days),临床表现,11/15/2024,16,麻疹,典型麻疹前驱期(Prodromal stage)临床表现1,典型麻疹,主要表现：发热、上呼吸道炎症、眼结合膜炎、,Stimson,线,(fever,upper respiratory inflammation,conjunctivitis,),麻疹粘膜斑,(,Kopliks spots),前驱期,(Prodromal stage),临床表现,11/15/2024,17,麻疹,典型麻疹 主要表现：发热、上呼吸道炎症、眼结合膜炎、S,Kopliks spots(麻疹粘膜斑),时间：,发疹前,24,48,小时出现,(24-48 hours before the appearance of the rash),；,位置：,开始对着下臼齿的颊粘膜上；以后累及整个颊部并蔓延至唇部粘膜,(initially opposite the lower molars but may spread the rest of the buccal and lip mucosa),。,临床表现,11/15/2024,18,麻疹,Kopliks spots(麻疹粘膜斑)时间：发疹前,Kopliks spots(麻疹粘膜斑),形态：,直径约,1,的灰白色小点，外有红晕,(grayish white dots with 1mm in diameter,usually as small as grains of sand,that reddish areolae),；,发展：,1,天内很快增多，皮疹出现后逐渐消失,(They spread rapidly within one day and disappear gradually after the appearance of the rash),。,临床表现,11/15/2024,19,麻疹,Kopliks spots(麻疹粘膜斑)形态：直径约1,11/15/2024,20,麻疹,10/10/202320麻疹,典型麻疹,出疹期,(eruption stage),在发热3-5天后出现,持续3-5天,出疹顺序:,耳后、发际额、面部颈躯干四肢,达手掌、足底,(initially occurring behind the ears and hairline and spreading down from the forehead and face,to neck,the trunk and the extremities).,临床表现,11/15/2024,21,麻疹,典型麻疹出疹期(eruption stage)临床表现1,典型麻疹,出疹期,(eruption stage),皮疹性质:,红色斑丘疹，疹间皮肤正常,(red maculupapular rash,there is normal skin among rashes.),临床表现,11/15/2024,22,麻疹,典型麻疹出疹期(eruption stage)临床表现10,11/15/2024,23,麻疹,10/10/202323麻疹,典型麻疹,恢复期,(convalescent period),皮疹按出疹先后顺序消退,伴有糠麸样脱屑及棕色色素沉着,经7,10天消失,(The rash fades downward in the same sequence in which it appeared.As the rash fades,branny desquamation and brownish discoloration occur and then disappear within 7-10 days),临床表现,11/15/2024,24,麻疹,典型麻疹 恢复期(convalescent period,并发症(complications),肺炎,(pneumonia),是麻疹常见的并发症，多见于出疹期，继发细菌或其它病毒感染,喉、气管、支气管炎,(laryngitis,trachitis,bronchitis),心肌炎(myocarditis),11/15