Cases reported "Brain Neoplasms"

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1/220. Brain metastasis from prostatic carcinoma.

    Between 1959 and 1971 there were 91 patients with clinically diagnosed prostatic carcinoma who were autopsied at Roswell Park Memorial Institute. In four of these 91 (4.4%) intracerebral metastasis were found at autopsy, but only in one of these four was the diagnosis arrived at pre-mortem. This report describes the diagnosis and management of intracerebral metastasis from prostate carcinoma. It appears, on the basis of our initial experience, that the clinical diagnosis of this entity deserves more frequent consideration.
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2/220. Cerebral B-cell lymphoma following treatment for tolosa-hunt syndrome.

    We herein report a unique case of cerebral lymphoma which occurred after lymphocytic neuritis of cranial nerves causing tolosa-hunt syndrome and demonstrate the histological difference between these two diseases. A 70-year-old woman developed a sensory disturbance in the first and third divisions of the left trigeminal nerve and a left ocular movement disturbance five years before death. Although she was clinically diagnosed to have a schwannoma in the left cavernous sinus, a histologic examination verified a diffuse infiltration of T lymphocytes in the left trigeminal ganglion. Corticosteroid therapy was effective. Thereafter she demonstrated a disturbance of consciousness and dysphasia four years after surgery. A T1-weighted magnetic resonance image (MRI) disclosed high intensity lesions in both the basal ganglia and corpus callosum. She also showed progressive spastic paralysis. At autopsy a diagnosis of primary intracranial B-cell lymphoma was made. Although there was no invasion of the lymphoma cells into the left trigeminal nerves, a mild inflammatory infiltration of T cells still remained.
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ranking = 81.389198792127
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3/220. Mixed germ cell tumor presenting as intratumoral hemorrhage: report of a case originated from the pineal region.

    A 17-year-old male patient was brought to our clinic because of sudden onset of headache, vomiting, followed by transient loss of consciousness during a strenuous exercise. Neurologic examinations revealed that the patient had severe sensorimotor and brain stem dysfunction. Examinations of cranial CT and MR imaging showed a huge heterogeneously enhanced tumor originated from the pineal region with tumoral hemorrhage. The tumor markers were found to be high in AFP but not the beta-HCG and CEA. A clinical diagnosis highly suggestive of germ cell tumor was made. Prior to the planned emergency radiation therapy, he received an external ventricular drainage (EVD) and open biopsy of the tumor. Due to a postoperative complication of cerebellar hemorrhage observed 8 hours later, another maneuver was therefore required to extirpate the pineal tumor and cerebellar hematoma. The histological diagnosis proved to be a mixed germ cell tumor with tumoral hemorrhage. Spontaneous intratumoral hemorrhage in germ cell tumor of the pineal region is rare, probably due to compromised venous circulation within the tumor. The bleeding propensity, which may contribute to the formation of cerebellar hematoma, warrants a special attention when a biopsy procedure is to be performed.
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4/220. Loss of tissue immunoreactive androgen receptor in prostate cancer presenting initially as an intracranial tumor.

    We report a case of prostate cancer that presented initially as an intracranial tumor. biopsy specimens of the prostate before endocrine treatment were nearly negative immunohistochemically for prostate-specific antigen and the androgen receptors. All metastases including those in the brain expressed neither androgen receptor nor prostate-specific antigen at the protein and mRNA levels. The tumor, which did not respond to the anti-androgen therapy, had an aggressive course. In this case, the androgen-independent growth and rapid progression might be associated with the initial loss of the antigen and androgen characteristics of the prostate. copyright copyright 1999 S. Karger AG, Basel
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5/220. Brain metastasis: an unusual complication from prostatic adenocarcinoma.

    A 61-year-old man with known prostatic carcinoma presented with acute mental status changes. Radiographic evaluation revealed a large intraparenchymal brain mass. Surgical biopsy demonstrated metastatic adenocarcinoma of the prostate. Our review of the literature reveals that cerebral metastasis is a rare complication of prostate cancer.
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6/220. Syndrome simulating pseudotumor cerebri caused by partial transverse venous sinus obstruction in metastatic prostate cancer.

    PURPOSE: To report a case of partial transverse venous sinus obstruction causing a syndrome resembling pseudotumor cerebri. METHOD: Case report. A 61-year-old man developed decreased vision, bilateral papilledema, and a highly increased cerebrospinal fluid opening pressure. Brain magnetic resonance imaging (MRI) disclosed a small, extra-axial mass near the torcula, which was dismissed as an incidental meningioma because cerebral angiography showed sinus patency. RESULTS: The patient's vision worsened. biopsy of the enlarging mass disclosed metastatic prostate cancer. After radiation therapy, the mass shrank, magnetic resonance angiography disclosed reopening of the transverse sinuses, and papilledema resolved, but visual fields remained severely compromised. CONCLUSION: Partial blockage of the dural venous sinus by a small mass near the torcula can cause a sufficient increase in intracranial pressure to produce vision-threatening papilledema.
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7/220. diagnosis and treatment of intravascular lymphomatosis.

    OBJECTIVE: To describe a patient with unusually good outcome of a rare, high-grade lymphoma that often involves the nervous system. DESIGN: Case report. SETTING: University hospital. CASE: A 70-year-old pharmacist first presented with meningoencephalitislike symptoms and 6 months later with acute confusional state followed by complex partial status epilepticus. diagnosis of intravascular lymphomatosis was made using detection and biopsy of a bilateral adrenal tumor. MAIN OUTCOME AND RESULTS: Polychemotherapy consisting of CHOP (cyclophosphamide, doxorubicin hydrochloride, vincristine sulfate, and prednisone) led to complete remission. The patient's survival time currently exceeds 21/2 years. CONCLUSIONS: The possibility of intravascular lymphomatosis should be considered in adult patients with unclear meningoencephalitic syndrome, acute confusional state, dementia, or other unexplained neurologic conditions with signs of a systemic disease. In intravascular lymphomatosis, as in other high-grade non-Hodgkin lymphomas, CHOP polychemotherapy should be the standard treatment.
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8/220. Malignant transformation of a dysembryoplastic neuroepithelial tumor. Case report.

    A 29-year-old man presented in 1984 with a recent onset of partial seizures marked by speech arrest. electroencephalography identified a left frontotemporal dysrhythmia. Computerized tomography (CT) scanning revealed a superficial hypodense nonenhancing lesion in the midleft frontal convexity, with some remodeling of the overlying skull. The patient was transferred to the london health Sciences Centre for subtotal resection of what was diagnosed as a "fibrillary astrocytoma (microcystic)." He received no chemotherapy or radiation therapy and remained well for 11 years. The patient presented again in late 1995 with progressive seizure activity. Both CT and magnetic resonance imaging demonstrated a recurrent enhancing partly cystic lesion. A Grade IV astrocytoma was resected, and within the malignant tumor was a superficial area reminiscent of a dysembryoplastic neuroepithelial tumor (DNT). Data on the lesion that had been resected in 1984 were reviewed, and in retrospect the lesion was identified as a DNT of the complex form. It was bordered by cortical dysplasia and contained glial nodules, in addition to the specific glioneuronal element. The glial nodules were significant for moderate pleomorphism and rare mitotic figures. The Ki67 labeling index averaged 0.3% in the glial nodules and up to 4% focally. cells were rarely Ki67 positive within the glioneuronal component. This case is the first documented example of malignant transformation of a DNT. It serves as a warning of the potential for malignant transformation in this entity, which has been traditionally accepted as benign. This warning may be especially warranted when confronted with complex forms of DNT. The completeness of resection in the benign state is of paramount importance.
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9/220. Intracranial malignant B-cell lymphoma of the dura.

    OBJECTIVE: Malignant B-cell lymphomas of the dura mater are very rare. A case of primary centroblastic/centrocytic lymphoma of the dura mimicking a bilateral convexity meningioma is presented. CLINICAL PRESENTATION: A 50-year-old woman was referred to our institution with a 6-month history of headache and two Jacksonian seizures. Computed tomography revealed a parafalcine and bilateral convexity lesion. cerebral angiography and magnetic resonance imaging were performed prior to surgery. At surgery the tumor was removed subtotally. The patient was treated postoperatively by combined chemo- and radiotherapy. CONCLUSION: Laboratory studies and follow-up examinations revealed no evidence of systemic lymphoma nor of any immunocompromised state. According to the presented case combined surgery and chemoradiotherapy seems to be an effective treatment for this rare lesion.
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10/220. Multiple oligodendroglioma: case report.

    An 18-year-old female patient was hospitalized with headache and disturbance of consciousness. magnetic resonance imaging (MRI) revealed a tumor in the left parieto-occipital lobe. The tumor was totally removed, and postoperative radiation therapy was administered locally at 50 Gy. Ten months later, she experienced sudden onset of unconsciousness and headache. Computed tomography (CT) and MRI demonstrated multiple mass lesions in the whole brain. Following the systemic chemotherapy, removal of the largest tumor was performed. Histological examination proved all excised tumors to be oligodendroglioma without evidence of malignant change.
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