of normal stem cell can help analyze and deregulate the pathway of the cancer stem cells to provide promising, therapeutic results. on pathways trials of bio-therapies of to to speculation on cancers’ stem cells’ evolution. cells, on stem

A 47-year-old white male with a history of uveitis, hypercalcemia and nephrolithiasis presented with acute onset partial seizure. On exam he had decreased sensation to light touch on his left lower extremity. A Brain MRI revealed a right frontal mass, which was initially thought to be a metastatic lesion or a primary brain tumor. However, biopsy of the lesion revealed it to be a non-caseating granulomatous lesion consistent with neurosarcoidosis.

A 37-year-old female presented with medically intractable complex partial seizures with secondary generalization. She was found to have a dural-based lesion with radiologic features of meningioma. A gross total resection was performed and pathology confirmed a diagnosis of cavernous angioma and she became seizure free after the surgical resection. Cavernous angioma should be considered in differential diagnosis of a dural-based lesion manifesting with refractory seizures.

Prostate cancer is rarely associated with leptomeningeal metastasis. An 87-year-old man with a history of prostate cancer presented with leptomeningeal metastasis. He received hormonal therapy with leuprolide. Subsequently, he achieved an impressive response, indicated by a constant fall in his PSA levels and by the stabilization of leptomeningeal disease and clinical improvement. Hormonal therapy may be effective in inducing remission in hormone-sensitive prostate cancer with leptomeningeal metastasis.

A 45-year-old male presented with subacute onset of a right-sided hemiparesis, right homonymous hemianopsia, and slurred speech. The brain imaging revealed two separate intraparenchymal enhancing lesions. The cerebrospinal fluid rapid plasma reagin and venereal disease research laboratory test were positive and consistent with syphilitic gumma, and the patient responded dramatically to penicillin G. Despite, currently low incidence of syphilis; CNS gummas should be in the differential of mass lesions as they are eminently treatable.

An accurate, nonsurgical diagnostic test for brain tumors is currently unavailable, and the methods of monitoring disease progression are not fully reliable. MicroRNA profiling of biological fluids has recently emerged as a diagnostic tool for several pathologic conditions. Here we tested whether microRNA profiling of cerebrospinal fluid (CSF) enables detection of glioblastoma, discrimination between glioblastoma and metastatic brain tumors, and reflects disease activity. We determined CSF levels of several cancer-associated microRNAs for 118 patients diagnosed with different types of brain cancers and nonneoplastic neuropathologies by quantitative reverse transcription PCR analysis. The levels of miR-10b and miR-21 are found significantly increased in the CSF of patients with glioblastoma and brain metastasis of breast and lung cancer, compared with tumors in remission and a variety of nonneoplastic conditions. Members of the miR-200 family are highly elevated in the CSF of patients with brain metastases but not with any other pathologic conditions, allowing discrimination between glioblastoma and metastatic brain tumors. Quantification of as few as 7 microRNAs in CSF enables differential recognition of glioblastoma and metastatic brain cancer using computational machine learning tools (Support Vector Machine) with high accuracy (91%-99%) on a test set of samples. Furthermore, we show that disease activity and treatment response can be monitored by longitudinal microRNA profiles in the CSF of glioblastoma and non small cell lung carcinoma patients. This study demonstrates that microRNA-based detection of brain malignancies can be reliably performed and that microRNAs in CSF can serve as biomarkers of treatment response in brain cancers.

A 45-year-old man with a new diagnosis of low grade glioma was started on an escalating dose of levetiracetam (Lev) for seizure management. He gradually developed intractable nausea/vomiting and a high creatinine concentration due to acute renal failure which was attributed to Lev-induced interstitial nephritis. The medication was changed and his renal function rapidly improved to his baseline.

A 66 year-old woman with congenital macro cephaly and developmental delay presented with aphasia and right-sided weakness. Head CT revealed severe hydrocephalus of the lateral and third ventricles with a normal fourth ventricle due to a chronic congenital process (Fig. 1A). MRI confirmed subacute embolic infarcts of the left middle cerebral artery territory (Fig. 1B) and a heparin drip was initiated. The patient initially improved but then rapidly decompensated due to hemorrhagic transformation (Fig. 1C) and eventually expired despite protamine and ventricular shunting. Longstanding compensated congenital hydro cephalus (1, 2) can decompensate for various reasons including stroke.

A 39-year-old male presented with slurred speech, left hand weakness, gait unsteadiness and headaches over a period of 4 weeks.A brain MRI revealed a right motor strip lesion with Wallerian degeneration along the pyramidal tract plus brain stem and cerebellar FLAIR changes without enhancement ( fig. 1 ).Laboratory findings included a CD4 count of 56, HIV viral load of 2,597 and a positive CSF PCR for JC virus.The patient rapidly decompensated and expired shortly after admission.Wallerian degeneration results from axonal disintegration following a stereotypical time course and is due to various pathologies including stroke [1, 2] and progressive multifocal leukoencephalopathy.

Herein, we present an adult case of medulloblastoma who received chemotherapy, radiation therapy and stem cell transplantation, and underwent multiple surgical resections for what were thought to be recurrences; however pathology confirmed a diagnosis of relapsing tumefactive lesions. This phenomenon seems to be a consequence of stem cell transplantation rather than a simple radiation treatment effect.

Object The object of this study was to determine the tolerability and activity of lacosamide in patients with brain tumors. Methods The authors reviewed the medical records at 5 US academic medical centers with tertiary brain tumor programs, seeking all patients in whom a primary brain tumor had been diagnosed and who were taking lacosamide. Results The authors identified 70 patients with primary brain tumors and reviewed seizure frequency and toxicities. The majority of the patients had gliomas (96%). Fifty-five (78%) had partial seizures only, and 12 (17%) had generalized seizures. Most of the patients (74%) were started on lacosamide because of recurrent seizures. Forty-six patients (66%) reported a decrease in seizure frequency, and 21 patients (30%) reported stable seizures. Most of the patients (54 [77%]) placed on lacosamide did not report any toxicities. Conclusions This retrospective analysis demonstrated that lacosamide was both well tolerated and active as an add-on antiepileptic drug (AED) in patients with brain tumors. Lacosamide's novel mechanism of action will allow for concurrent use with other AEDs, as documented by its activity across many different types of AEDs used in this patient population. Larger prospective studies are warranted.

We present an 80-year-old lady with a history of ovarian cancer, who manifested with seizure and left upper extremity weakness. The imaging revealed a multilobulated mass within right parietal lobe. She underwent surgical resection and the pathology was compatible with metastasis from ovarian adenocarcinoma. She received a whole brain radiation therapy and she has been in remission for more than 2 years.

The severity of brain tumor associated seizures often mirror the growth of the underlying tumor, and may be intractable to conventional antiepileptic drugs. We present a patient with intractable seizures in the setting of a low grade glioma who responded dramatically to temozolomide despite minimal radiographic change in tumor size. Temozolomide is an effective treatment for seizure control in patients with brain tumors.

Paragangliomas are rare neuroendocrine tumors of neural crest origin. They are mostly benign, however; malignant tumors with aggressive behavior and distant metastasis can also occur. Intracranial involvement is extremely rare and has been sporadically reported in the literature. Here we report a case who presented with progressive neurologic deficits due to multiple intracranial lesions found to be metastasis from an occult retroperitoneal malignant paraganglioma.

Central nervous system (CNS) involvement is a rare complication of chronic lymphocytic leukemia (CLL) with varied outcomes. We contribute two additional cases of CLL with CNS involvement. The clinical course and response to treatment are described. All 78 previously reported cases of CLL with CNS involvement are presented in this comprehensive review of the literature. CNS involvement of CLL is a rare complication that does not seem to correlate with any evident risk factors. Resolution of CNS symptoms can often be accomplished with intrathecal chemotherapy or irradiation. Early detection and treatment may result in better outcomes in this rare complication.