A 3-year-old boy with a brain stem glioma develops hydrocephalus and is treated with a ventriculoperitoneal shunt. He presents with green cerebrospinal fluid.What is your diagnosis? A.Bacterial pneumonia B.Pseudomonas aeuroginosa C.Bacterial sepsis D.Bilirubinemia



Pseudomonas aeruginosa is the colonizer of the ventricular peritoneal shunt. It produces a greenish water soluble pigment called pyocyanin. It gives the pigment to the CSF. It may not be causing meningitis per se.

Pseudomonas A.

B . pseudomonas infection



conozation of the vp shut with psedomonas aeroginosa leading to meningitis and as p.aeroginosa produces green pigment , the c.s.f. gets green colour

Pseudomonas aeruginosa

P.aeruginosa Infection

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