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  • Title: Delayed cerebrospinal fluid rhinorrhea seven months after transsphenoidal surgery for pituitary adenoma--case report.
    Author: Kudo H, Sakagami Y, Kawamura A, Tamaki N.
    Journal: Neurol Med Chir (Tokyo); 2000 Mar; 40(3):160-3. PubMed ID: 10842486.
    Abstract:
    A 51-year-old female had undergone transsphenoidal surgery for pituitary adenoma producing growth hormone. Cerebrospinal fluid (CSF) leakage occurred during surgery. The sella turcica and sphenoid sinus were packed with abdominal fat and fibrin glue, buttressing the closure with a fragment of sphenoid bone. No CSF rhinorrhea occurred postoperatively. Severe meningitis developed 7 months later. CSF rhinorrhea occurred 10 days after readmission. Exploration through the transsphenoidal approach identified a small hole at the floor of the sella and CSF leaking into the sphenoid sinus through the hole. The CSF leakage stopped after the second surgery. Delayed CSF rhinorrhea without bromocriptine administration is very rare. The cause of delayed CSF rhinorrhea remains unclear. CSF rhinorrhea should be suspected if meningitis develops even months after transsphenoidal surgery.
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