IBM has embraced both the concept and the reality of open-source software (OSS). While this may seem surprising for a corporation with a large traditional software business, a path has been pursued allowing the maintenance-indeed, the enhancement-of existing business while deriving benefits from OSS, making significant contributions to several OSS projects, and initiating new ones. We describe some of the considerations which led to this approach, as well as some of the issues that impinge on its execution.

Intracerebral hemorrhage is a common disease. We give a short review of primary haemorrhages under neurosurgical aspects. Neurological symptoms depend on localisation and size of the hematoma. Only a subgroup of intracerebral haemorrhages is treated surgically. The STICH-trial tried to differentiate, in which cases the hematoma should be removed surgically. Surgical treatment could be performed by open craniotomy, endoscopic evacuation of the hematoma or CT-guided stereotaxy.

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