CSOM with Picket fence fever is seen in: (A) Meningitis, (B) Sigmoid Sinus Thrombosis, (C) Brain Abscess, (D) Extradural Abscess
Answer is B. Sigmoid sinus thrombosis/lateral sinus thrombosis is an inflammation of inner wall of lateral venous sinus with formation of an intra sinus thrombus It occurs as a complication of chronic suppuration of middle ear or acute coalescent mastoiditis, and cholesteatoma Picket fence fever temperature never comes back to normal baseline. Remittent fever. Complications of CSOM - Intra temporal Intracranial Mastoiditis Meningitis - m/c Petrositis Brain abscess Facial paralysis Extradural abscess Labyrinthitis Subdural abscess Lateral sinus thrombophlebitis Otitic hydrocephalus