Index of suspicion.
D000293:Adolescent; D001165:Arteriovenous Malformations / Q000150:complications / Q000175:diagnosis*; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009504:Neutrophils; D011019:Pneumonia, Mycoplasma / Q000175:diagnosis*; D013116:Spinal Cord / Q000098:blood supply*; D013262:Stevens-Johnson Syndrome / Q000175:diagnosis*; D014657:Vasculitis / Q000175:diagnosis*