Pineal Region Tumors
نویسندگان
چکیده
Tumors of the pineal region can be divided into three categories (Rubinstein, 1970): (1) germ cell tumors, which range from surgically curable mature teratomas to the malignant germ cell tumors capable of metastasizing throughout the neuraxis; (2) pineal parenchymal tumors, such as the low-grade pineocytoma and the malignant pineoblastoma; and (3) other tumors such as intra-axial astrocytomas, ependymomas and mixed gliomas, and rare tumors of surrounding structures (meningioma, dermoid, epidermoid).
منابع مشابه
Pineal region tumors--neurosurgical review.
The treatment for the pineal region tumors depends on tumor histology. Nowadays, germinomas can be cured by radiotherapy and chemotherapy without surgical resection but the other pineal region tumors should be primary treated by surgery. Two microsurgical approaches, the infratentorial supracerebellar and the occipital transtentorial, are accepted as the main standard accesses to the pineal reg...
متن کاملPineal Region Tumors
The pineal region can be affected by different types of lesions, ranging from benign masses (e.g. pineal cysts) to highly malignant tumors. These neoplasms are typical of the pediatric age, while they are rarer in adults. Due to the extreme heterogeneity of the cell types of the pineal gland and its surrounding structures, these tumors include several entities, namely germ cell tumors (GCTs), w...
متن کاملCT of pineal tumors and intracranial germ-cell tumors.
We reviewed 59 cases of pineal tumors and intracranial germ-cell tumors. Most pineal tumors occurred in the first three decades of life, with the exception of pineocytomas, which were seen at a mean age of 34. A male preponderance was noted in the various pineal tumors, except for pineocytomas. The most common tumor of the pineal region was germinoma, which usually showed high density with homo...
متن کاملPineal Anlage Tumor: Case Report and Review of Literature
The pineal gland is a midline organ located posterior to the third ventricle in the quadrigeminal cistern. It is surrounded by the splenium of the corpus callosum above, the thalami laterally, and the quadrigeminal plate and vermis below, together delineating the pineal region [1]. Histologically, the human pineal gland parenchyma is mainly composed of pineocytes with a few supportive astrocyte...
متن کاملAn overview of the current surgical options for pineal region tumors
BACKGROUND The list of pineal region tumors comprises an extensive array of pathological entities originating within one of the most complex areas of the intracranial cavity. With the exception of germ cell tumors, microsurgical excision is still nowadays the mainstay of management for most pineal region tumors. METHODS A search of the medical literature was conducted for publications address...
متن کامل