title: Brain abscess and ethmoid sinusitis presenting as periorbital cellulitis in a two-month-old infant.
mesh_terms: D001922:Brain Abscess / Q000175:diagnosis*; D002481:Cellulitis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005005:Ethmoid Sinus; D006801:Humans; D007223:Infant; D008297:Male; D009916:Orbital Diseases / Q000175:diagnosis*; D012852:Sinusitis / Q000175:diagnosis*