Surgical management of tumours of the pineal region

Tumours of the pineal region and posterior part of the third ventricle are rare in European and American series (0.5 to 1% of space-occupying lesions). Personal experience is usually limited and thus cooperative studies or critical reviews of reported cases are necessary to establish therapeutic cri...

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Bibliographic Details
Published inActa neurochirurgica Vol. 34; no. 1-4; p. 159
Main Authors Obrador, S, Soto, M, Gutierrez-Diaz, J A
Format Journal Article
LanguageEnglish
Published Austria 01.01.1976
Subjects
Brain Neoplasms - radiotherapy
Brain Neoplasms - surgery
Cerebral Ventricle Neoplasms - surgery
Epidermal Cyst - surgery
Humans
Intracranial Pressure
Meningioma - surgery
Methods
Pineal Gland - surgery
Pinealoma - surgery
Teratoma - surgery
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Summary:Tumours of the pineal region and posterior part of the third ventricle are rare in European and American series (0.5 to 1% of space-occupying lesions). Personal experience is usually limited and thus cooperative studies or critical reviews of reported cases are necessary to establish therapeutic criteria. We have studied 50 cases from our own material of more than 5,000 brain tumours and intracranial space-occupying lesions operated on during the last 30 years. Another 6 verified cases from Dr. F. Isamat, and more than 200 verified tumours from the literature are added. Histological distribution shows that 24% of the tumours in this locality are benign. The different surgical techniques fro reaching the pineal region are reviewed. The results of palliative operations, or partial removals together with radiotherapy, and total removals are presented in 200 verified cases (Table 1), as well as the results obtained by the different surgical approaches (Table 2). Finally, some conclusions are reached regarding the surgical management of these tumours. More than two thirds are radiosensitive, and in about 50 to 70% good results may be obtained with palliative operations and radiotherapy. The remainder of the pineal tumours (about 20%) should be treated by a direct surgical approach. Recent technical improvements and the use of the surgical microscope have reduced the mortality of pineal surgery and allow verification of the histological nature of the tumour in order to establish more rational treatment.
ISSN:0001-6268
DOI:10.1007/BF01405870