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|LETTER TO EDITOR
|Year : 2017 | Volume
| Issue : 1 | Page : 201-202
Recurrent meningitis with unusually delayed cerebrospinal fluid leak detected by magnetic resonance cisternography
Surjeet Kumar, Anju Aggarwal, Aashima Dabas, Ankur Roy
Department of Pediatrics, University College of Medical Sciences and Guru Tegh Bahadur Hospital, New Delhi, India
|Date of Web Publication||12-Jan-2017|
Department of Pediatrics, University College of Medical Sciences and Guru Tegh Bahadur Hospital, New Delhi
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Kumar S, Aggarwal A, Dabas A, Roy A. Recurrent meningitis with unusually delayed cerebrospinal fluid leak detected by magnetic resonance cisternography. Neurol India 2017;65:201-2
|How to cite this URL:|
Kumar S, Aggarwal A, Dabas A, Roy A. Recurrent meningitis with unusually delayed cerebrospinal fluid leak detected by magnetic resonance cisternography. Neurol India [serial online] 2017 [cited 2017 Mar 30];65:201-2. Available from: http://www.neurologyindia.com/text.asp?2017/65/1/201/198233
Meningitis, the inflammation of leptomeninges, is a potential life threatening infection that causes significant morbidity and mortality. Recurrent meningitis is defined as two or more episodes of meningitis, which are separated by a period of convalescence; in case the meningitis is caused by the same causative organism, the second episode has to be separated by at least a 3-week interval after completion of treatment of the previous episode. Most of the cerebrospinal fluid (CSF) leaks present within 3 months of occurrence of trauma; rarely, they may occur after an year., We report a case of recurrent meningitis with traumatic CSF leak that manifested after 2 years.
A 5-year-old boy presented with fever, headache, and vomiting. He had the occurrence of similar episodes, 1 year and 4 months ago. The contrast-enhanced computed tomography (CECT) performed during the second episode was normal. His central nervous system examination revealed a normal fundus, muscle tone, and reflexes along with positive signs of meningeal irritation. Rest of the systemic examination was normal. The cerebrospinal fluid (CSF) picture was suggestive of acute meningitis and the culture was sterile. Meningitis was treated by administering intravenous ceftriaxone and vancomycin. Two years ago, he fell from a height and had an occasional watery discharge from the right nostril. The magnetic resonance imaging (MRI) of the brain was normal. MRI brain with cisternography revealed a breach through the fovea ethmoidalis and right cribriform plate with CSF rhinorrhea into the posterior ethmoidal air cells [Figure 1], with right-sided ethmoidal and bilateral maxillary sinusitis and hypertrophy of bilateral inferior turbinates. Repair of the defect was done endoscopically. Following the first surgery, the CSF rhinorrhea persisted and necessitated a bifrontal craniotomy for the repair of the dural and bony defect. After the second surgery, the CSF rhinorrhea stopped.
|Figure 1: Herniation of fovea ethmoidallis through right cribriform plate with herniation of adjacent cerebrospinal fluid into posterior ethmoidal air cell (arrow) and sinusitis of right ethmoidal and bilateral maxillary sinus|
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CSF leaks commonly occur after trauma or are rarely congenital., Posttraumatic CSF rhinorrhea may heal spontaneously. Delayed CSF leak after 3 months had been reported in approximately 5% of patients; whereas, after 1 year, delayed CSF rhinorrhoea occurs rarely and is due to failure of the healing mechanisms or due to growing fracture phenomenon. Tuygun et al., found that 36% patients with recurrent meningitis (n = 14) have a post-traumatic skull base defect and pneumococcus was the common organism isolated. Khan et al., found that fever and vomiting were the most common symptoms (87%). Head trauma was present in 37% (n = 8) of the cases with CSF rhinorrhea. Our patient also had the chief complaints of fever, vomiting, headache, and was found to be having posttraumatic delayed CSF leak; however, CSF culture was sterile every time it was done.
The diagnosis of recurrent meningitis is made by clinical and CSF examination. The detection of the predisposing conditions requires an elaborative work up, which include a high-resolution computed tomography (CT) or MRI of the brain with cisternography, and an immunological workup. Our case had a history of head trauma and CSF leak so we performed an MRI cisternography upfront that revealed CSF leak along with fovea ethmoidalis breach.
The management includes treatment of meningitis with antibiotics and surgical repair of the dural defect., Surgical repair include intracranial and endoscopic extracranial approaches wherein an underlay, overlay, or a combined graft is placed. The intracranial approach has a higher morbidity and chances of anosmia as compared to the endoscopic repair. Our case required an intracranial repair.
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Conflicts of interest
There are no conflicts of interest.
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