The Cerebellum

, Volume 5, Issue 4, pp 289–295 | Cite as

Neurobehavioral alterations in an adolescent following posterior fossa tumor resection

  • Hanne Baillieux
  • Hyo Jung De Smet
  • Geoffrey Lesage
  • Philippe Paquier
  • Peter P. De Deyn
  • Peter MariënEmail author
Original Article Scientific Papers


The posterior fossa syndrome (PFS) consists of a variety of symptoms, including cerebellar mutism, behavioral disturbances and personality changes. We report longitudinal clinical, neuroradiological and neurobehavioral findings in a 19-year-old left-handed patient, diagnosed with attentional deficit hyperactivity disorder (ADHD) at the age of 12, who underwent posterior fossa tumor resection. Although the patient did not develop cerebellar mutism after surgery, marked apathy and emotional indifference, urinary retention, eye-lid apraxia and visual hallucinosis became apparent after a brief interval of normal functioning. Based on these findings it is argued that the PFS might be considered a semiological heterogeneous condition with variable clinical expressions. Long-term follow-up investigations revealed subtle, but significant cognitive and affective deficits, resembling the cerebellar cognitive affective syndrome in adults. As demonstrated by functional neuroimaging studies with SPECT, symptoms were associated with perfusional deficits in the anatomoclinically suspected supratentorial regions, reflecting the distant impact of the cerebellum on cognitive and affective functions.

Key words

Cerebellum posterior fossa syndrome cognitive-affective syndrome eye-lid apraxia SPECT ADHD 


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Copyright information

© Taylor & Francis 2006

Authors and Affiliations

  • Hanne Baillieux
    • 1
  • Hyo Jung De Smet
    • 1
  • Geoffrey Lesage
    • 2
  • Philippe Paquier
    • 1
    • 3
  • Peter P. De Deyn
    • 4
  • Peter Mariën
    • 1
    • 4
    Email author
  1. 1.Department of LinguisticsVrije Universiteit BrusselBrussels
  2. 2.Department of NeurosurgeryZNA MiddelheimAntwerp
  3. 3.Hôpital Universitaire Erasme ULB, Brussels and Unit of NeurosciencesUniversiteit AntwerpenBelgium
  4. 4.Department of Neurology, ZNA Middelheim, Antwerp and Laboratory of Neurochemistry and Behaviour, Institute Born-BungeUniversiteit AntwerpenBelgium

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