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Focal intracranial infections due to Salmonella are rare. So far, around 80 cases have been reported in the world literature. The authors present their experience of 6 cases of intracranial Salmonella infections, mainly subdural empyema in 5 and effusion in 1. In 1 case, subdural empyema was bilateral, and in another case, there was an associated brain abscess. Positive blood cultures and positive Widal tests were noticed in 2 patients each. Early diagnosis and prompt evacuation of subdural collections and brain abscess and antibiotic therapy lead to satisfactory results. This study suggests that a high index of suspicion, early diagnosis and quick evacuation lead to success; this point is highlighted with the help of a review of the literature.

Two unique cases of chronic calcified subdural hematomas are reported in children as a long-term complication of a ventriculoperitoneal shunt. Both the patients had undergone shunt procedures in infancy for congenital hydrocephalus. In one patient, the cause of the hydrocephalus was aqueduct stenosis, while in the second patient, a lumbar meningomyelocele was associated with hydrocephalus. In both these patients, a ventriculoperitoneal shunt was done in infancy. In one of them, following the shunt surgery, a bilateral subdural collection was noticed which required burr hole evacuation. Both the patients remained asymptomatic for 9 years, when they presented to our center with acute raised intracranial pressure and contralateral hemiparesis. Both the patients had a relatively short history and had altered sensorium at admission. Surprisingly, in both the patients, the CT scan showed significant mass effect producing calcified subdural hematomas. The shunt systems were found to be working well at surgery. Craniotomy and excision of the calcified subdural hematomas was undertaken. Postoperatively, the patients showed satisfactory recovery, and at discharge the patients were doing well. At the follow-up at the outpatient clinic, the patients were asymptomatic.

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