histopathological examination of brain abscess showed the following except

massive hemorrhage occurs in the cerebral hemispheres usually from a branch of the middle cerebral artery is caused by the followings except

Hypertensive intracerebral hemorrhages occur most often within

The most common cause of primary brain parenchymal hemorrhage is

Which of the following types of traumatic head injuries usually poses the most immediate threat to life

Which of the following describes cerebral infarct

The most common cause of cerebral infarction is

A 45-year-old, previously healthy man has developed headaches over the past month. There are no remarkable findings on physical examination. A cerebral angiogram shows a 7-mm saccular aneurysm at the trifurcation of the right middle cerebral artery. Which of the following is most likely to result from this lesion

As regarding meningioma,one of the following statements is wrong

as regarding meningioma one of the one of the following information is wrong

Brain tumor composed of sheets of regular cells with spherical nuclei which surrounded by a clear halo of cytoplasm. The cells are separated by a delicate network anastomosing capillaries

Glioblastoma multiforme is considered as

As regarding meningioma, one of the following informations is wrong

Pseudopalisading necrosis and microvascular proliferation are a charcterestic features for

Microvasular proliferation is seen in

Astrocytic tumors include the following types except

As regarding ependymoma, one of the following is false

Malignant primitive neuroectodermal tumor appearing in the 4th ventricle of children, is

As regarding pilocytic astrocytoma, all of the following is true except

tumor of nerve sheath cells include

One of the following is not a feature of meningioma

Which of the following is considered as the most common site of intracranial schwannoma

Which of the following is he commonest site for CNS tumors in children

Vascular endothelial proliferation is the most characteristic histological feature of

Which of the following is the commonest site of ependymoma

A benign brain tumor attached to dura which may invade the skull but never invade the brain

Multiple cutaneous ,palpable, rubbery tumors with café au spots are the features of which type of brain tumor

In 65 years old male a tumour located in spinal cord in lumbosacral region, having papillary arrangement of malignant cells & mucin production is most likely

Bipolar cells with hair like processes is seen in

Primary germ cell tumors mostly seen in which of the following sites

Which of the following tumors presents with hearing loss & tinnitus

Perivascular pseudorosettes are seen in which of the following

Which of the following is characterized by the presence of Antoni A and Antoni B areas in its histopathological picture

Which of the following is characterized by the presence of whorled nests in its histological picture

Which of the following is usually arising from the nerve sheath

Which of the following may be presented as primary and secondary tumors of CNS

A 70-years-old patient with multiple foci of brain tumors. Which of the following is likely the possibility

A 5-year-old boy has complained of headaches and vomiting for the past week. His gait has become ataxic. On physical examination, he is afebrile. CT scan of the head shows the presence of a 4-cm mass in the cerebellar vermis and dilation of the cerebral ventricles. A lumbar puncture is done. Cytologic examination of the CSF shows small cells with dark blue nuclei and scant cytoplasm. What neoplasm would most likely explain these findings

Hyperostosis of the skull are most commonly seen with which of the following

With an ependymoma of the posterior fossa, the patient is at risk of dying because of which of the following

A 48-year-old man has noticed speech difficulties for 2 months. On physical examination, he has weakness on the left side. MRI of the brain shows a large, irregular, 6-cm mass in the right cerebral hemisphere that extends across the corpus callosum. Stereotactic biopsy of the mass shows areas of necrosis surrounded by nuclear pseudopalisading. The neoplastic cells within the mass are hyperchromatic. Which of the following neoplasms is most likely to be present in this patient