Analysis of a child’s CSF reveals slightly increased or normal PMN cells, elevated lymphocytes, absent mycotic growth, normal or elevated protein, and normal glucose levels, pointing to the probable diagnosis of____________?
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Answer: B. Viral meningitis
Explanation
Viral meningitis typically presents with elevated lymphocytes and normal glucose levels. Cerebrospinal fluid analysis reveals normal or slightly increased protein concentrations. Mycotic growth is absent because the etiology is strictly viral in nature. Enteroviruses are the most common causative agents of viral meningitis in children. The condition is generally self-limiting and resolves with supportive medical care. Lumbar puncture is essential to differentiate viral from bacterial meningitis.
Patients experience headache, fever, and neck stiffness requiring hospital observation. Unlike bacterial meningitis, viral cases rarely require antibiotic administration. Complete neurological recovery is expected for most pediatric viral meningitis patients. Pyogenic bacterial meningitis features markedly decreased glucose and elevated neutrophils. Fungal meningitis demonstrates positive mycotic cultures and markedly elevated protein levels. Tuberculous meningitis shows very high protein, low glucose, and prominent lymphocytes.
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