Rosette-forming Glioneuronal Tumor in the Optic Pathway of a Child.

Rosette-forming glioneuronal tumor is a rare World Health Organization grade I neoplasm, primarily involving the posterior fossa. Most cases have been reported in young adults. Although maximal surgical resection is advocated, a precise treatment modality is yet to be established. We describe an unusual presentation of rosette-forming glioneuronal tumor occurring in the optic pathway in a child. As the site of the tumor was not amenable to resection, he underwent radiotherapy and is currently well on follow-up.

[Changes in the immune response of male mice with aggressive and submissive types of behavior]. / Izmenenie immunnogo otveta u myshei-samtsov s agressivnym i submissivnym tipami povedeniia.

An increase in the number of rosette- and plaque-forming cells occurred in aggressive CBA mice whereas the immune response of aggressive animals of another strain (C57BL) did not differ from control values after experiencing 10 fights. The immune response was considerably reduced in submissive C57BL mice under the same conditions. Common neuro transmitter links of the regulation of aggressive and submissive behaviour and immunomodulation, are discussed.