Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0036572 (seizures)
 80,221 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Subfrontal schwannomas are rare intracranial tumors. Most of them are associated with hyposmia/anosmia. The source of origin of these tumors is still incompletely understood. We report a 23-year-old male who presented with recurrent focal motor seizures, but had no hyposmia. The tumor was completely removed by a subfrontal approach. Relevant literature has been reviewed.
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PMID:The enigmatic origin of subfrontal schwannomas: report of a case without hyposmia. 1646 62

Gliomas represent approximately one-third of all intracranial tumors in adults and commonly present clinically with seizures. We report two seizure patients with paradoxical imaging findings on preoperative grading of their cerebral gliomas. A 53-year-old man with a history of temporal lobe epilepsy originating from a mass in the right medial temporal region (patient 1) and a 44-year-old man with a history of predominantly left sided sensory seizures with a mass in the right posterior parietal region (patient 2) underwent presurgical evaluation including MRI and glucose PET, followed by surgery to remove cerebral tumors associated with seizure onset. Preoperatively, patient 1 had a homogenous non-enhancing lesion on MRI and hypometabolism on PET imaging, suggesting a low-grade tumor. Postoperative histopathology was consistent with a glioblastoma multiforme (grade IV). Patient 2 had a heterogeneous lesion with cyst formation, edema, and contrast enhancement on preoperative MRI imaging, and interictal hypermetabolism on PET scan, thus suggesting a high-grade tumor. Postoperative histopathology was consistent with an oligodendroglioma (grade II) without anaplastic features. We conclude preoperative grading of cerebral gliomas may be inaccurate occasionally even in cases with concordant structural and functional imaging findings. This should be considered when counseling patients.
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PMID:Paradoxical imaging findings in cerebral gliomas. 1825

Fibrous histiocytomas are rare lesions, more commonly encountered in soft tissues and bones. They are uncommon as an intracranial lesion. Although there have been several reports about malignant fibrous histiocytomas, less is known about the benign variant of these intracranial tumors as they are often misclassified as other types of tumors. We describe a child who presented with seizure and was subsequently found to have a large temporal lesion. Pathology revealed benign fibrous histiocytoma. We also review other cases reported in the literature in an effort to provide further insight into the diagnosis and management of this rare tumor.
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PMID:Intracranial benign fibrous histiocytomas: a case report and review. 1903 Jul 79

Intracranial lipoma is a very rare condition, with an incidence of less than 0.1% of all intracranial tumors. They are mostly localized in the pericallosal region. Pericallosal lipoma is an extremely rare tumor of the central nervous system and rarely gives any symptoms. A 6-year-old girl with an unexplained headache was admitted to the Pediatric Outpatient Clinic with complaints of non-febrile seizure. Her seizure was a complex-partial type. Biochemical tests for seizure etiology did not reveal any specific cause. Electroencephalography (EEG) revealed typical epileptic activity. Magnetic resonance imaging (MRI) gave images of a mass approximately 1 cm in diameter in the vicinity of corpus callosum splenium. Her seizures were kept under control with carbamazepine (400 mg/day) and indicators of neuromotor development were found to be normal throughout 24-month period of follow up. Even though it is a rare condition, pericallosal lipoma should also be taken into account in the differential diagnosis of non-febrile seizures in children.
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PMID:Non-febrile seizure associated with pericallosal lipoma. 1916 23

Intracranial lipomas are uncommon benign mesenchymal tumors, found usually near or at the midline. The existence of such intracranial tumors has been documented in the literature in only over 200 cases. Although usually asymptomatic, they can sometimes trigger neurological symptoms, specifically epileptic seizures. We describe the incidental finding of a lipoma of the corpus callosum at autopsy in a 58 year-old woman with a history of seizures, and provide a concise review of the pertinent literature with respect to this entity.
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PMID:A 58 year old woman with a corpus callosum nodule at autopsy. 1974 48

The central nervous system (CNS) and peripheral nervous system (PNS) are very susceptible to cancer and its treatment. The most direct involvement of the nervous system manifests in the development of primary brain and spinal cord tumors. Many cancers exhibit a propensity toward spread to the CNS, and brain metastases are common problems seen in malignancies such as lung, breast, and melanoma. Such spread may involve the brain or spine parenchyma or the subarachnoid space. In the PNS, spread is usually through direct infiltration of nerve roots, plexi, or muscle by neighboring malignancies. In some cases, cancer has sudden, devastating effects on the nervous system: epidural spinal cord compression or cord transection from pathologic fractures of vertebra involved by cancer; increased intracranial pressure from intracranial mass lesion growth and edema; and uncontrolled seizure activity as a result of intracranial tumors (status epilepticus), which are neuro-oncologic emergencies. The best known indirect or remote effects of cancer on the nervous system are the neurologic paraneoplastic syndromes. Cancer can also result in a hypercoagulable state causing cerebrovascular complications. Treatment of cancer can have neurologic complications. The commonest of these complications are radiation-induced injury to the brain, spine, and peripheral nerves and chemotherapy-induced peripheral neuropathy. The suppressant effect of cancer and its treatment on the body's immune system can result in infectious complications within the nervous system.
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PMID:Neurologic complications of cancer and its treatment. 2042 8

Diencephalic storms or paroxysmal sympathetic storms are characterized by episodic hyperhidrosis, hypertension, tachypnea, tachycardia, and abnormal posturing. These have been reported to occur in patients with hydrocephalus, intracranial tumors, and hypoxic, ischemic, or traumatic brain injury. They can be easily misdiagnosed as seizures, uncontrolled pheochromocytoma, drug withdrawal, thyroid storm, hypertensive crises, and sepsis or anxiety attacks. The most effective treatment to control these symptoms is yet to be identified. We present 2 individuals exhibiting these sympathetic surges; one whose symptoms were controlled with phenobarbital and the other with clonidine and oxycodone. Palliative medicine physicians should be made aware of this unusual complication.
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PMID:Diencephalic storms from leptomeningeal metastases and leukoencephalopathy: a rare and clinically important complication. 2329 74

Epidermoid cysts account for approximately 1% of all intracranial tumors. Hemorrhage into an epidermoid cyst is extremely rare, and has only been reported a few times. To our knowledge, there are no reports of a hemorrhagic epidermoid cyst presenting with a first generalized tonic clonic seizure. We present a 68-year old female with an epidermoid cyst with intracystic hemorrhage who presented with a first time generalized tonic clonic seizure. When complicated with hemorrhage, the diagnosis of an epidermoid cyst is challenging and there is a potential for misdiagnosis.
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PMID:Hemorrhagic epidermoid cyst in a patient with generalized tonic clonic seizure. 2335 50

Meningiomas are usually benign tumors that are frequently encountered in the intracranial region. They account for 15% of the overall intracranial tumors. Of the intracranial meningiomas, less than 3% extend up to the sinonasal region. The frequency of meningioma in females is 2 times higher than that in males; it is most commonly observed in the fifth decade of life. It is usually asymptomatic and detected incidentally. A small number of meningiomas may cause some symptoms including seizure attacks and cranial nerve paralysis according to their locations. On the physical examination of a 56-year-old woman, who presented with nasal obstruction, a mass that completely obliterated the left nasal passage was detected. An incisional biopsy finding of the mass revealed meningioma, and the patient was hospitalized in the clinic for surgical procedure. The mass was excised by endonasal endoscopic method. In this present article, we aimed to discuss a quite rare case, which had meningioma arising from the anterior skull base and completely obliterating the left nasal passage with the coexistence of right nasal polyp, in the light of the current literature.
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PMID:Meningioma arising from the anterior skull base and filling the nasal cavity. 2385 96

Intracranial lipomas are congenital malformations. These uncommon lesions have an incidence of 0.1 to 1.7% of all intracranial tumors. Most cases are located at midline and 5% are along the sylvian fissures. If symptomatic, seizures are the most common symptom. These tumors are slow growing and have favorable outcome. We report a case of a 25-year-old man whose CT and MRI revealed a lesion in right sylvian fissure suggesting a lipoma with abnormal vasculature and overlying cortical dysplasia.
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PMID:Sylvian fissure lipoma with angiomatous component and associated brain malformation: A case report. 2425 Sep 28


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