[Intracranial dissemination as the first important clinical sign of thoracic cord ependymoma in a boy aged 8].

This paper reports a case of the rare entity of a cerebral metastasizing ependymoma of the thoracic spinal cord in a 8 year old boy.

[Para-cerebral hematomas caused by coagulopathies].

The authors present two cases of haematoma accompanying coagulopathies, treated successfully in the Department of Neurosurgery, Medical Academy in Gdańsk. In the first case, haematoma occurred after trauma in a patient with haemophilia B, and in the other case in a patient treated with Syncumar for mitral valve implantation. The authors apply the strategy of treatment of patients with coagulopathies which should involve achieving of stable haemostasis, indispensable for positive result of the treatment.

[Interhemispheric extracranial and intracranial tumor of parietal area (chondromyxoid fibroma) in a 13-year-old child with 7 years of follow-up].

A case of extra-intracranial, parietal chondromyxoid fibroma in a 13-year old girl operated successfully and followed by 7-years observation is presented. Apart from infrequent occurrence of the tumour diagnostic difficulties due to atypical cranial location are emphasized.

[Spontaneous chronic spinal epidural haematoma in a 14-year-old boy. Case report].

An unusual case of a 14-year-old boy with spontaneous chronic spinal epidural haematoma treated surgically with full success is reported. The clinical presentation and aetiology are discussed. The result of treatment depends mainly on the time of duration of neurological deficit.