Gaucher disease type II (Monarch Disease Ontology entry MONDO_0009266) can be described as follows. Gaucher disease type 2 is the acute neurological form of Gaucher disease (GD). It is characterized by early-onset and severe neurological involvement of the brainstem, associated with an organomegaly and generally leading to death before the age of 2. Also known as: GD II, Gaucher disease, acute neuronopathic type, Gaucher's disease type II, acute neuronopathic Gaucher disease, infantile cerebral Gaucher disease.