Colloid cyst xanthogranuloma of the third ventricle--a case report.

A colloid xanthogranuloma of the third ventricle is described. Presenting features were symptoms of raised intracranial tensions and two episodes of seizures. The pathogenesis, clinical and radiological features, differential diagnosis and treatment of this rare benign lesion are briefly discussed.

Neonatal Salmonella havana meningitis.

The clinical features, microbial characterisation and autopsy findings in a premature neonate with Salmonellas havana meningitis is presented. S. havana is a very rare pathogen in India.

Histiocytic necrotizing lymphadenitis without granulocytic infiltration (Kikuchi's disease). A case report.

Clinical and pathological findings in a case of necrotizing lymphadenitis are described. Histologically the necrotic areas show striking karyorrhexis, absence of polymorphonuclear granulocytes and surrounding zones of large reactive lymphoid cells. The disorder must be carefully distinguished from a lymphoma which it may resemble closely.