Extraneural Metastases of a Cerebral Astrocytoma

Extraneural metastases of a cerebral astrocytoma.

CASE HISTORY A 4 year old boy was admitted to the Hospital for Sick Children in July 1975 with a history starting in September 1974. At that time, he began having minor seizures in which he stared, and he regressed in speech and motor ability. It is interesting that his mother, who had been concerned about him, was told by a psychic that her son had a brain tumor. At the time of admission, he w...

Cerebral astrocytoma in a sheep

Astrocytoma as one of the most common central nervous system (CNS) tumors is rarely reported in veterinary literature. A 7-year-old Persian Lori-Bakhtiari ewe was presented to the clinic with a two months history of progressive blindness, nystagmus to the right, bilaterally decreased pupillary reflexes, head pressing and paddling. At necropsy, a whitish well-circumscribed mass with dimensions o...

Oligodendroglioma with extraneural metastases.

Extraneural metastases in medulloblastoma.

Medulloblastoma is the most common childhood malignant tumor of central nervous system, but it may also occur in adults. It presents high invasive growth with spreading of tumor cells into the leptomeningeal space along the neuroaxis early in the course of the disease. Extraneural metastases are rare but frequently lethal, occurring only in 1 to 5% of patients, and are related, in the most of c...

Extraneural metastases in anaplastic ependymoma.

Ependymoma are rare glial neoplasm, it rarely metastasize outside the central nervous system. We present a case of anaplastic ependymoma with extraneural metastases with review of literature. A ten-year-old male child presented with anaplastic ependymoma of choroid plexus and treated with craniospinal radiotherapy in 1998. He had intracranial recurrence in 2004, confirmed by biopsy. He was give...