CSF Rhinorrhea occurs d/t

Commonest area of # causing CSF Rhinorrhea → cribriform plate of ethmoid bone as it is extremely thin. Other possible areas of # causing CSF Rhinorrhea Frontal sinus (Posterior wall) or of the anterior cranial fossa. Difference between CSF Rhinorrhea & allergic or vasomotor rhinitis CSF contains glucose which can be demonstrated by chemical tests. CSF when collected into a test tube and allowed to stand, it remains clear in contradistinction to nasal discharge that leaves a sediment because of mucus and other proteins. Nasal discharge stiffens the handkerchief and CSF dries soft in it. Treatment: Prophylactic antibiotics & X-ray * If more than 2 wks then correct it surgically.