Search Results
Results 201 - 250 of 1543
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Park Wonse - - 2010
BACKGROUND: Paresthesia is a well-known complication of extraction of mandibular third molars (MTMs). The authors evaluated the relationship between paresthesia after MTM extraction and the cortical integrity of the inferior alveolar canal (IAC) by using computed tomography (CT). METHODS: The authors designed a retrospective cohort study involving participants considered, on ...
Petcharunpaisan Sasitorn - - 2010
Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is a rare disease that often presents with nonspecific white matter abnormalities on magnetic resonance imaging. Ptosis and ophthalmoparesis are a part of its clinical features. We report multiple cranial nerve contrast enhancement on magnetic resonance imaging in a patient with MNGIE and postulate that demyelination ...
Chhabra A - - 2010
MR imaging of peripheral nerves has been described in relation to abnormalities such as nerve injury, entrapment, and neoplasm. Neuroma formation is a known response to peripheral nerve injury, and here we correlate the MRN appearance of postinjury neuroma formation with intraoperative findings. We also present the MR imaging features ...
Du Rose - - 2010
OBJECT: Treatment of spinal and peripheral nerve lesions relies on localization of the pathology by the use of neurological examination, spinal MR imaging and electromyography (EMG)/nerve conduction studies (NCSs). Magnetic resonance neurography (MRN) is a novel imaging technique recently developed for direct imaging of spinal and peripheral nerves. In this ...
Kawabe Kiyokazu - - 2010
Posterior ischaemic neuropathy (PION) is characterized by infarction in the retrobulbar optic nerve. A 73-year-old man suddenly experienced blurred vision in his left eye and intermittent weakness in his right hand. He had visual defects of superior lateral quarter and inferior medial quarter areas in the left eye. Gadolinium-enhanced magnetic ...
Rajkomar Vikram - - 2010
A 60-year-old man presented to the accident and emergency department with a 4-day history of abdominal pain following blunt abdominal trauma. An initial CT scan showed thickened walls of the proximal jejunum and thromboses in the portal, splenic and superior mesenteric veins. He was given warfarin and the abdominal pain ...
Ayadi Kamel - - 2010
BACKGROUND: Adenoid cystic carcinoma comprises approximately 10% of all epithelial salivary neoplasms and most frequently involves the parotid. Perineural invasion is a common feature but intraneural invasion and spread is less common. AIM: The authors report a case of parotid adenoid cystic carcinoma with invasion and spread via the facial ...
Nilsson Jessica - - 2010
Fibrolipomatous hamartoma of the median nerve are usually located distally in the forearm and may have characteristic features on MR imaging. Here we report a patient with an extensive fibrolipomatous hamartoma at an unusual location proximally in the arm, where a preoperative MR imaging was pathognomonic and diagnosis was verified ...
Sakai Kenji - - 2010
A 77-year-old man showed bilateral abducens palsies and multiple cranial nerve enhancement on magnetic resonance images (MRI) and aseptic meningitis. He had xerophthalmia and xerostomia. Serum anti-SS-A and anti-SS-B antibodies were present. He had Sjögren's syndrome (SjS) and corticosteroid therapy ameliorated the symptoms. The cranial nerve enhancement and the cerebrospinal ...
White Klane - - 2010
The mucopolysaccharidoses (MPS) are a common cause of carpal tunnel syndrome (CTS) in children and adolescents. As the MPS diseases are progressive in nature, it is essential that CTS in these children is readily diagnosed and treated, before damage to the median nerve becomes irreversible. Currently, no standards for diagnosing ...
Sameshima Tetsuro - - 2010
An 18-year-old male presented with a chondroma in the petrous apex manifesting as major complaints of headaches and sensorineural hearing disturbance on the right. Head computed tomography and magnetic resonance imaging revealed a neoplastic lesion in the right petrous apex, which had bulged to compress the internal auditory meatus. Surgical ...
Bertilson Bo C - - 2010
Detection of nerve involvement originating in the spine is a primary concern in the assessment of spine symptoms. Magnetic resonance imaging (MRI) has become the diagnostic method of choice for this detection. However, the agreement between MRI and other diagnostic methods for detecting nerve involvement has not been fully evaluated. ...
Sildiroglu O - - 2010
PURPOSE: We aimed to determine any differences, if present, between the cross-sectional area of the cochlear nerve (CN) of elderly patients with sensorineural hearing loss (SNHL) and of young patients with normal hearing. MATERIALS AND METHODS: The study group included ten patients with age-related SNHL. Fourteen volunteer individuals with normal ...
Jiao Yong-Hong - - 2009
BACKGROUND: With the technical advances, magnetic resonance imaging (MRI) is now sensitive enough to detect subtle structural abnormalities of ocular motor nerves arising from the brainstem and orbits of living subjects. This study was designed to delineate the MRI characteristics in patients with special forms of strabismus. METHODS: A total ...
Thompson Andrew L - - 2009
OBJECTIVES/HYPOTHESIS: This study characterizes the magnetic resonance (MR) appearances of facial nerve schwannoma (FNS). We hypothesize that the extent of FNS demonstrated on MR will be greater compared to prior computed tomography studies, that geniculate involvement will be most common, and that cerebellar pontine angle (CPA) and internal auditory canal ...
Morana G - - 2009
We report on three cases of infantile Krabbe disease and one case of infantile metachromatic leukodystrophy showing magnetic resonance (MR) imaging findings of diffuse and coexistent cranial nerve and cauda equina nerve roots enhancement. Such findings may be simultaneous, or even precede, typical white matter abnormalities and, in the appropriate ...
Slim Frederik J - - 2009
Conventional techniques, such as plain radiography and bone-scintigraphy, were used in the past to evaluate skeletal changes in patients with leprosy. More recent publications focus on radiological imaging of affected nerves, and involve advanced modalities such as Computed Tomography (CT-scan), Ultrasonography (US), and Magnetic Resonance Imaging (MRI). US and MRI ...
Waldinger Marcel D - - 2010
INTRODUCTION: Females despairing of restless genital syndrome (ReGS) may request clitoridectomy for treatment of unwanted genital sensations. Aim. The aim of this study was to report persistence of ReGS despite clitoridectomy. METHODS: Following a clitoridectomy for spontaneous orgasms, a 77-year-old woman was referred to our clinic for persistent unwanted genital ...
Chi Sulene L - - 2009
PURPOSE OF REVIEW: Microvascular ischemia is a frequent cause of acute isolated cranial nerve six (CN VI) palsy. Alternative etiologies of CN VI palsy with grave neurological implications often cannot be excluded without neuroimaging. However, the practice of obtaining neuro-imaging for every patient presenting with an acute, isolated CN VI ...
Loy S T - - 2009
We report idiopathic hypertrophic pachymeningitis in a previously-healthy 34-year-old Filipino man, who presented with third and sixth cranial nerve palsies, headache, vomiting and left proptosis. Magnetic resonance imaging of the brain showed diffuse dural thickening and enhancement, with mild cerebrospinal fluid lymphocytosis and slight protein elevation. The patient was treated ...
Kasai Sachio - - 2009
CONCLUSION: Magnetic resonance imaging (MRI) after intratympanic gadolinium injection can reveal endolymphatic hydrops (ELH) in patients with delayed ELH (DELH). Patients with contralateral DELH may have bilateral ELH. OBJECTIVE: DELH has previously been diagnosed based on clinical history, hearing and vestibular examinations. DELH is classified into three types: ipsilateral, contralateral ...
Zapka Manuela - - 2009
Magnetic compass information has a key role in bird orientation, but the physiological mechanisms enabling birds to sense the Earth's magnetic field remain one of the unresolved mysteries in biology. Two biophysical mechanisms have become established as the most promising magnetodetection candidates. The iron-mineral-based hypothesis suggests that magnetic information is ...
Ozkavukcu Esra - - 2009
Brucellosis is an endemic zoonotic disease in which neurobrucellosis occurs in 5-10% of cases. Variable clinical and radiological manifestations of neurobrucellosis can mimic those of other diseases. In this report, we present unusual clinical and magnetic resonance imaging (MRI) findings in a patient with neurobrucellosis and unilateral abducens nerve palsy. ...
Lorenzoni José - - 2012
To describe the anatomical characteristics and patterns of neurovascular compression in patients suffering classic trigeminal neuralgia (CTN), using high-resolution magnetic resonance imaging (MRI). The analysis of the anatomy of the trigeminal nerve, brain stem and the vascular structures related to this nerve was made in 100 consecutive patients treated with ...
Kim Jae Hyoung - - 2010
BACKGROUND: Congenital superior oblique palsy is usually associated with a structural abnormality of the superior oblique tendon. There have been many reports of familial congenital superior oblique palsy. However, there has been no MRI documentation of familial superior oblique hypoplasia. METHODS: Ophthalmological examination and orbital MRI were performed in three ...
Chen Cheng-Chun - - 2009
BACKGROUND: The purpose of this study was to provide practical data for the imaging diagnosis of the optic pathways. METHODS: Sectional anatomy of the optic pathways on the coronal plane was investigated on 15 sets of serial coronal sections of the head of Chinese adult cadavers and 6 sets of ...
Chen R C - - 2009
Pain referred to the ear is a well-documented phenomenon, which can be due to a multitude of disease processes. With the recent and rapid progression of CT and MR imaging technology, radiologists have played an increasing role in solving this potentially difficult diagnostic dilemma. Essentially any pathology residing within the ...
Yardimci Nilgul - - 2009
Guillain-Barré syndrome (GBS) is an acute inflammatory demyelinating peripheral nerve disorder. It is known that gadolinium enhancement on magnetic resonance imaging (MRI) reflects alteration of the blood-nerve barrier secondary to inflammation. Enhancement of the cauda equina roots with gadolinium on lumbosacral magnetic resonance imaging have been demonstrated in several reports. ...
Bertagna Francesco - - 2009
Malignant peripheral nerve sheath tumors (MPNSTs) are sarcomas that derive from peripheral nerves or from cells associated with the nerve sheath. Magnetic resonance imaging is the main diagnostic imaging modality for evaluating MPNSTs. Computed tomography (CT) of the chest is the main imaging modality used to screen for distant disease, ...
Ni Shilei - - 2009
Microvascular decompression (MVD) is now a standard treatment for trigeminal neuralgia (tic douloureux). The goal of MVD is to decompress the trigeminal root from offending vessels, aiming at a permanent cure with no or little sensory deficit. Preoperative identification of neurovascular compression, therefore, has potentially important implications for patient selection, ...
Tagliafico Alberto - - 2011
Patients affected by scleroderma may complain of sensory disturbances especially in the hands. To study the imaging features of upper limb nerves in patients affected by scleroderma (SSc). Twenty-five patients affected only by SSc were prospectively evaluated with high-resolution US and magnetic resonance (MRI) or computer tomography (CT) when necessary ...
Motoori K - - 2010
We describe a rare case of SFT existing along the mandibular division of the trigeminal nerve and extending down into the infratemporal fossa through the foramen ovale. The tumor showed heterogeneous hypointensity on T2-weighted images and marked enhancement on CT and MR images.
Yamanaka Yuki - - 2010
OBJECTIVE: The objective was to demonstrate the feasibility of MRI/CT fusion in demonstrating lumbar nerve root compromise. MATERIALS AND METHODS: We combined 3-dimensional (3-D) computed tomography (CT) imaging of bone with 3-D magnetic resonance imaging (MRI) of neural architecture (cauda equina and nerve roots) for two patients using VirtualPlace software. ...
Horino Taro - - 2010
A 75-year-old man presented with headache, right facial palsy, and left hemiparesis. Because of elevated myeloperoxidase-antineutrophil cytoplasmic antibody (MPO-ANCA) titers and findings from magnetic resonance imaging (MRI) which were compatible with hypertrophic pachymeningitis (HP), he was diagnosed with MPO-ANCA-positive HP. He was treated with the combination therapy of steroid and ...
Kim Ho Chan - - 2009
A petrous apex cholesterol granuloma (PACG) is the most common lesion of the petrous apex mass. Affected patients present with various symptoms such as hearing loss, vertigo, headache, tinnitus, facial spasms, and diplopia. We report the case of a 32-yr-old man with a PACG, who was first misdiagnosed with Ménière's ...
Lim Su Ann SA Tan Tock Seng Hospital, Singapore. - - 2009
The Optic Neuritis Treatment Trial (ONTT) has established that the magnetic resonance imaging (MRI) findings at the time of presentation of optic neuritis (ON) is the strongest indicator of the development of multiple sclerosis (MS). Reports from Singapore as well as other Asian countries have indicated that these abnormalities are ...
Penn Renee - - 2010
The presence of perineural invasion (PNI) with cutaneous squamous cell carcinoma portends a poor prognosis. PNI may be detected radiographically or clinically, with motor or sensory deficits, and is confirmed by histologic evaluation. Recent interest has grown regarding the role of imaging in determining the presence of PNI and its ...
Scardapane Alessandra - - 2010
Gradenigo's syndrome (GS) is a rare disease characterised by the triad otitis media, pain in the region innervated by the first and the second division of trigeminal nerve and abducens nerve palsy. Septic sinus thrombosis is one of the most frequent and relevant complication of GS; it is often due ...
Kim Jin - - 2009
Conclusion: This study demonstrates good correlation between enhanced MRI and surgical findings. Objectives: This study investigated the reliability of enhanced magnetic resonance imaging (MRI) to make a surgical decision on the strategy for facial nerve decompression in herpes zoster oticus, by determining the degree of correlation between contrast enhancement in ...
Naismith Robert T - - 2009
Acquired copper deficiency in adults is associated with a subacute to chronic progressive myeloneuropathy and optic neuropathy. To describe an individual after gastric bypass surgery who developed a chronic progressive myeloneuropathy, an acute optic neuropathy, along with anemia and leukopenia. Case report. Academic center. Patient A 55-year-old woman, following gastric ...
Deng W - - 2009
Traumatic neuromas are relatively rare entities that characteristically arise following surgery or trauma. In this report, a case of a traumatic neuroma of the mental nerve following chin augmentation is described. Magnetic resonance imaging showed a well-defined oval mass. Part of the lesion was removed and histopathological examination confirmed the ...
Lim Ming Jin - - 2010
To evaluate the usefulness of neuroimaging in children with idiopathic intracranial hypertension, brain magnetic resonance imaging (MRI) scans of children with idiopathic intracranial hypertension and age-matched controls were reviewed. Compared with controls, patients with idiopathic intracranial hypertension had flattening of the posterior sclera in 61% versus 40% of cases, distension ...
Ayoub Tariq - - 2010
Brachial neuritis is a rare disorder affecting the brachial plexus. It is characterized by the acute onset of shoulder and arm pain followed by weakness, sensory loss and atrophy. Diagnosis is essentially clinical with electrophysiological investigations and imaging useful in excluding other differentials and supporting the diagnosis. Magnetic resonance imaging ...
Sogaro-Robinson Cristina - - 2009
OBJECTIVE: To determine neurologic indications associated with abnormal results for computed tomography (CT) imaging of the head of horses affected by neurologic disorders. DESIGN: Retrospective case series. ANIMALS: 57 horses. PROCEDURES: Signalment, history, clinical abnormalities, and clinicopathologic findings were obtained from medical records of horses examined because of neurologic disorders, ...
Alharbi Fahd Ali - - 2009
We had a rare case of 50-year-old woman with a unilateral hypoglossus nerve palsy as a sign of clival chordoma. A computed tomography (CT) scan of the skull base showed bone destruction at the anterior part of the foramen magnum and CT scan of the neck reveals asymmetrical area at ...
Wilson Matthew W - - 2009
PURPOSE: To correlate the histologic and magnetic resonance imaging results of the optic nerve in eyes primarily enucleated for retinoblastoma. DESIGN: Retrospective, clinicopathologic correlation. PARTICIPANTS: Sixty-seven consecutive patients with retinoblastoma who underwent primary enucleation. METHODS: The histologic results of 67 eyes from 67 patients with retinoblastoma who underwent primary enucleation ...
Oystreck Darren T - - 2009
To summarize the clinical, neuroradiologic, and genetic observations in a group of patients with unilateral synergistic divergence (SD). Five unrelated patients with unilateral SD underwent ophthalmic and orthoptic examinations; three of them also had magnetic resonance imaging of the brain and orbits. Three patients underwent genetic evaluation of genes known ...
Yoshimoto Mitsunori - - 2009
STUDY DESIGN: Retrospective case series review of patients showing sciatica without radiographic evidence of nerve root compression. OBJECTIVE: To elucidate clinical features of sciatica caused by extralumbar spinal lesions. SUMMARY OF BACKGROUND DATA: Sciatica caused by extralumbar spinal lesions has been reported sporadically. Given the paucity of case series studies, ...
Gomes Eymeric - - 2009
Magnetic resonance (MR) images of the brain of four normal cats were reviewed retrospectively to assess the emergence and course of the cranial nerves (CNs). Two-millimeter-thick images were obtained in transverse, sagittal, and dorsal planes using a 1.5 T unit. CN skull foramina, as anatomic landmarks for MR imaging, were ...
Hong H S - - 2010
The purpose of this study was to evaluate the enhancement pattern of the normal facial nerve at 3.0 T temporal MRI. We reviewed the medical records of 20 patients and evaluated 40 clinically normal facial nerves demonstrated by 3.0 T temporal MRI. The grade of enhancement of the facial nerve ...
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