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At least 145 records · Page 8Linked to original sources
PubMed2000

Unilateral pure thalamic asterixis: clinical, electromyographic, and topographic patterns.

Eleven patients (nine with infarctions and two with primary hematomas) with isolated thalamic lesions and contralateral asterixis were examined using a standard electromyographic and neuroimaging protocol. Asterixis was a short-duration phenomenon associated with a hemiataxia hypesthesia syndrome in all patients. Electromechanical synchronization was constant for the two silent period types. The anatomic data strongly suggest that ventral lateral or lateral posterior thalamus are concerned in the pathophysiology of thalamic asterixis.

Adult↗
PubMed1977

Influence of Caldwell-Luc operation on developing permanent teeth.

The influence of Caldwell-Luc operation on the permanent teeth of school children was studied in a material of 21 six to 14-year-old children, who had undergone, altogether, 30 Caldwell-Luc operations. Ten of the children had also undergone 23 endonasal antrostomies. The control material consisted of a class of 27 healthy school children, their mean age being 10.2 years. Total anesthesia was found in five teeth on the operated side and in one tooth on the non-operated side. Additionally, the operation had caused slight hypesthesia in part of the teeth, mostly in the first incisors. All sensory disturbances were caused by nerve lesion only, and no tooth had died as a result of the operation. The operation could not be shown to be conducive to caries. Correctly performed, Caldwell-Luc operation does not cause serious dental injuries in school children, and is indicated especially in chronic sinobronchitis when conservative methods of treatment fail.

Adolescent↗
PubMed1997

Cavernous angioma with olivary hypertrophy and contralateral cerebellar diaschisis.

We describe a 66-year-old man with a 20-year history of ataxic gait who suddenly developed diplopia on rightward gaze. Neurologic examination revealed right hemi-ataxia and hemi-hypesthesia, and left internuclear ophthalmoplegia. MRI showed a cavernous angioma in the left tectum, mild right cerebellar atrophy, and left interior olivary hypertrophy. Single photon emission computed tomography (SPECT) imaging demonstrated contralateral cerebellar diaschisis. We discuss the findings and review the literature concerning contralateral cerebellar diaschisis.

Aged↗
PubMed2000

Epidermoid tumor within Meckel's cave--case report.

A rare case of an epidermoid tumor lying within Meckel's cave is reported. A 27-year-old housewife presented with complaints of right facial hypesthesia for two and a half years. On examination she had partial loss of touch sensation in the right trigeminal nerve distribution. Magnetic resonance imaging revealed a tumor located at the right petrous apex and cavernous sinus. The epidermoid tumor was excised through a lateral basal subtemporal approach. The symptoms resolved following surgery.

Adult↗
PubMed2002

Presigmoid transpetrosal approach for the treatment of a large trochlear nerve schwannoma--case report.

A 61-year-old man presented with a rare, large trochlear nerve schwannoma manifesting as left-sided weakness and hypesthesia, bilateral bulbar pareses, and trochlear nerve paresis persisting for 3 months. T1-weighted magnetic resonance imaging with gadolinium revealed an intensely enhanced, well-circumscribed lesion with multicystic formation occupying the prepontine and interpeduncular cisterns and compressing the pons and midbrain with greater extension to the right. The mass was completely removed through the presigmoid transpetrosal approach with preservation of the posterior cerebral, superior cerebellar, and basilar arteries and their branches. Neuroradiological examination after 3 years demonstrated no recurrence. Enlargement of a tumor in the cisternal portion is inclined to involve and/or encase the adjacent major arteries and their branches. The presigmoid transpetrosal approach is one of the best surgical routes to remove a large trochlear nerve schwannoma safely and completely.

Cerebellar Ataxia↗
PubMed2001

Clinical efficacy of fidarestat, a novel aldose reductase inhibitor, for diabetic peripheral neuropathy: a 52-week multicenter placebo-controlled double-blind parallel group study.

OBJECTIVE: The purpose of this study was to evaluate the efficacy of fidarestat, a novel aldose reductase (AR) inhibitor, in a double-blind placebo controlled study in patients with type 1 and type 2 diabetes and associated peripheral neuropathy. RESEARCH DESIGN AND METHODS: A total of 279 patients with diabetic neuropathy were treated with placebo or fidarestat at a daily dose of 1 mg for 52 weeks. The efficacy evaluation was based on change in electrophysiological measurements of median and tibial motor nerve conduction velocity, F-wave minimum latency, F-wave conduction velocity (FCV), and median sensory nerve conduction velocity (forearm and distal), as well as an assessment of subjective symptoms. RESULTS: Over the course of the study, five of the eight electrophysiological measures assessed showed significant improvement from baseline in the fidarestat-treated group, whereas no measure showed significant deterioration. In contrast, in the placebo group, no electrophysiological measure was improved, and one measure significantly deteriorated (i.e., median nerve FCV). At the study conclusion, the fidarestat-treated group was significantly improved compared with the placebo group in two electrophysiological measures (i.e., median nerve FCV and minimal latency). Subjective symptoms (including numbness, spontaneous pain, sensation of rigidity, paresthesia in the sole upon walking, heaviness in the foot, and hypesthesia) benefited from fidarestat treatment, and all were significantly improved in the treated versus placebo group at the study conclusion. At the dose used, fidarestat was well tolerated, with an adverse event profile that did not significantly differ from that seen in the placebo group. CONCLUSIONS: The effects of fidarestat-treatment on nerve conduction and the subjective symptoms of diabetic neuropathy provide evidence that this treatment alters the progression of diabetic neuropathy.

Aldehyde Reductase↗
PubMed1997

Efficacy of sphenopalatine ganglion blockade in 66 patients suffering from cluster headache: a 12- to 70-month follow-up evaluation.

This study was conducted to evaluate the efficacy, based on 12- to 70-month follow-up data, of radiofrequency (RF) lesions of the sphenopalatine ganglion made in patients suffering from cluster headache. Sixty-six patients suffering from either episodic (Group A, 56 patients) or chronic (Group B, 10 patients) cluster headache who were not responsive to pharmacological management were treated by RF lesioning in the sphenopalatine ganglion. Complete relief of pain was achieved in 34 (60.7%) of 56 patients in Group A and in three (30%) of 10 patients in Group B. No relief was found in eight patients (14.3%) in Group A and in four (40%) in Group B. The mean time of follow up was 29.1 +/- 10.6 months in Group A and 24 +/- 9.7 months in Group B, ranging from 12 to 70 months. With regard to side effects and complications, temporary postoperative epistaxis was observed in eight patients and a cheek hematoma in 11 patients; a partial RF lesion of the maxillary nerve was inadvertently made in four patients. Nine patients complained of hypesthesia of the palate, which disappeared in all cases within 3 months. The authors conclude that RF lesioning in the sphenopalatine ganglion via the infrazygomatic approach may be performed in patients suffering from cluster headache that does not respond to pharmacological therapy.

Acute Disease↗
PubMed1998

Poststroke pain control by chronic motor cortex stimulation: neurological characteristics predicting a favorable response.

OBJECT: The goal of this study was to identify the neurological characteristics of patients with poststroke pain who show a favorable response to motor cortex (MC) stimulation used to control their pain. METHODS: The neurological characteristics of 31 patients treated by MC stimulation were analyzed. In 15 patients (48%), excellent or good pain control (pain reduction > 60%) was achieved for follow-up periods of more than 2 years by using MC stimulation at intensities below the threshold for muscle contraction. Satisfactory pain control was achieved in 13 (73%) of 18 patients in whom motor weakness in the painful area was virtually absent or mild, but in only two (15%) of the 13 patients who demonstrated moderate or severe weakness in the painful area (p < 0.01). Muscle contraction was inducible in the painful area in 20 patients when stimulated at a higher intensity. No such muscle response was inducible in the remaining 11 patients, no matter how extensively the authors attempted to determine appropriate stimulation sites. Satisfactory pain control was achieved in 14 (70%) of the 20 patients in whom muscle contraction was inducible, but in only one (9%) of the 11 patients in whom muscle contraction was not inducible (p < 0.01). No significant relationship was observed between pain control and various sensory symptoms, including the presence of hypesthesia, spontaneous dysesthesia, hyperpathia, and allodynia, or the disappearance of the N20 component of the median nerve-evoked somatosensory scalp potential. No significant relationship existed between the effect of MC stimulation on the pain and stimulation-induced phenomena, including paresthesia, improvement in motor performance, and attenuation of involuntary movements. CONCLUSION: These findings suggest that the pain control afforded by MC stimulation requires neuronal circuits that are maintained by the presence of intact corticospinal tract neurons originating from the MC. Preoperative evaluation of motor weakness of the painful area appears to be useful for predicting a favorable response to MC stimulation in the control of poststroke pain.

Cerebrovascular Disorders↗
PubMed1999

[Severe lightning limb pain induced by spinal anesthesia].

We report a case in which spinal anesthesia induced a severe lightning limb pain. A 71-year-old man presented for prostate biopsy. Preanesthetic examinations revealed slight hypesthesia in the L 5-S 1 dermatomal segments in the right leg. The patient reported that he had received "local anesthetic" in the lumbar spine 16 years previously because of severe lumbago, and that his hyposthesia had originated from the "local anesthetic". Unfortunately we had no way to know the anesthetic technique performed 16 years ago. The spinal anesthesia was uneventfully introduced with a 25 G Quincke needle at the L 3-4 interspace using 2.0 ml 0.3% hyperbaric dibucaine in the left lateral positions. As soon as the patient was put into the supine position, he started to complain about severe lightning pain in the region of his hyposthesic segments. Severe lightning pain completely diminished 4 hours later when the effect of spinal anesthesia disappeared.

Aged↗
PubMed1975

The deep posterior compartmental syndrome of the leg.

Fourteen cases of deep posterior compartmental syndrome of the leg complicating lower-extremity trauma were analyzed. Caused by increased pressure within the deep posterior compartment, the syndrome was characterized by pain, plantar hypesthesia, weakness of toe flexion, pain on passive toe extension, and tenseness of the fascia between the tibia and the triceps surae in the distal medial part of the leg. Decompression of the compartment within twelve hours of the onset of the syndrome prevented permanent sequelae.

Adult↗
PubMed1992

[Damage to the lateral cutaneous femoral nerve after transfemoral angiography].

We report on two patients with lesions of the lateral cutaneous nerve of the thigh after transfemoral angiography. Symptoms were hypesthesia, dysesthesia and hypalgesia of the right lateral thigh. One patient had no hematoma, the other a hematoma of the medial thigh which did not enlarge thigh circumference. Both patients had had a tight pressure bandage applied for 24 hours. There were no signs of a femoral nerve lesion. Both patients were severely distressed by paresthesia. The numbness subsided after three weeks in one patient, but pain persisted. The other patient had symptoms for over six months. The lateral cutaneous nerve of the thigh is located distinctly lateral to the puncture site in transfemoral angiography. Hence we suggest that the nerve lesion was caused neither by the puncture itself nor by a hemorrhage, but by the tight bandage.

Aged↗
PubMed2004

[Cystic vestibular schwannomas].

RATIONALE: Patients with cystic vestibular schwannomas (VS) are a radiologically well-defined subgroup of patients who classically have poor outcome after microsurgical resection. Since Pendl's report of a high rate of failures, they are also considered as poor candidates for radiosurgery. MATERIAL AND METHOD: Among the 1000 consecutive patients who underwent Gamma Knife surgery in Marseilles, France between July 1992 and January 2002, we have collected and studied 54 patients with cystic VS at the time of treatment. RESULTS: The median follow-up of this group was 26 Months (mean: 33, range: 6-90). Failure (6.4%) led to microsurgical removal in 2 patients and a radiosurgery in 1 patient with a delay of 2 Years for 2 of them and 3 Years for the third. No facial palsy has been reported. Two patients developed transient hypesthesia. Among the 32 patients with functional hearing at the time of treatment, 53% preserved their hearing function at 3 Years. CONCLUSIONS: We found an increased risk of failure in this group compared to patients with no cyst at time of radiosurgery (93.6% instead of 98%). But this is also a group were we observe most dramatic shrinkage. Prudent radiosurgical treatment of cystic vestibular schwannomas remains mandatory: strict follow-up is specially important.

Adult↗
PubMed2004

[Carpal tunnel syndrome].

The name of Carpal Tunnel Syndrome (CTS) refers to a complex of symptoms resulting from the pressure exerted on the median nerve in the carpal tunnel area [81]. In most cases, it is not possible to establish CTS causes, and we diagnose idiopathic CTS. CTS is the most frequent pressure neuropathy. Typical clinical symptoms include sensory effects in the forms of pain paresthesia or hypesthesia, limited to the wrist area innervated by the median nerve, presence if Tinel's symptoms, or a positive Phalen's test. In more advance cases, doctors find motor symptoms displayed by difficulties in the performance of precise activities, grasp weakness or thenar muscle atrophy. In some patients, we observe autonomous symptoms, e.g. skin perspiration disorders (dry skin on thumb, index and middle fingers), or vasomotor disorders. The most essential for diagnosis confirmation are electrophysiological examinations, which evaluate the median nerve functions. Sometimes, imaging techniques are useful, e.g. ultrasound, MRI and CTS scanning of the wrist. The most effective form of idiopathic treatment of CTS is surgery.

Carpal Tunnel Syndrome↗
PubMed1991

[Psychopathological characteristics of the dynamics and outcomes of asthenia].

The dynamics of asthenic syndromes was subjected to a psychopathological analysis in 200 patients. It has been established that asthenia may manifest not only as a transitory neurotic disorder (either completely reversible or preceding the formation of steady morbid manifestations of the other structure) but also represent a number of independent psychopathological disorders that determine the clinical picture of the disease at the main stages of its development. The essence of asthenic syndrome transformation may be reduced to polar change of the morbid manifestations: hyperesthesia--hypesthesia, with estrangement of bodily sensations and own activity. The dichotomy indicated may be distinguished as a prognostically informative differentiating sign. In the light of the typology suggested the authors consider not only the place of asthenia in the continuum of pathological disorders but also its correlation with negative alterations.

Adult↗
PubMed2006

Neuronavigator-guided percutaneous radiofrequency thermocoagulation in the treatment of intractable trigeminal neuralgia.

BACKGROUND: Percutaneous radiofrequency thermocoagulation of the trigeminal ganglion (PRTTG) is regarded as the first choice for most patients with trigeminal neuralgia (TN) because of its safety and feasibility. However, neuronavigator-guided PRTTG has been seldom reported. The purpose of this study was to assess the safety and efficacy of neuronavigator-guided PRTTG for the treatment of intractable TN. METHODS: Between January 2000 and December 2004, 54 patients with intractable TN were enrolled into this study and were randomly divided into two groups. The patients in navigation group (n = 26) underwent PRTTG with frameless neuronavigation, and those in control group (n = 28) received PRTTG without neuronavigation. Three months after the operation, the efficacy, side effects, and complications of the surgery were recorded. The patients in the control group were followed up for 10 to 54 months (mean, 34 +/- 5), and those in the navigation group were followed up for 13 to 58 months (mean, 36 +/- 7). Kaplan-Meier analyses of the pain-free survival curves were used for the censored survival data, and the log-rank test was used to compare survival curves of the two groups. RESULTS: The immediate complete pain-relief rate of the navigation group was 100%, whereas it was 95% in the control. The proportion of sustained pain-relief rates at 12, 24 and 36 months after the procedure were 85%, 77%, and 62% in the navigation group, and 54%, 40%, and 35% in the control. Recurrences in the control group were more common than that in the navigation group. Annual recurrence rate in the first and second years were 15% and 23% in the navigation group, and 46%, 60% in the control group. No side-effect and complication was noted in the navigation group except minimal facial hypesthesia. CONCLUSION: Neuronavigator-guided PRTTG is a safe and promising method for treatment of intractable TN with better short- and long-term outcomes and lower complication rate than PRTTG without neuronavigation.

Aged↗
PubMed1991

[A mechanism of cheiro-oral syndrome due to brainstem lesions, a case of a dissecting aneurysm of the basilar artery].

A 42-year-old woman developed an abrupt onset of severe headache, nausea, vomiting, unstable gait and numbness around the right side of her mouth and in her right hand. Neurological examination revealed bilateral pyramidal tract signs and hypesthesia of her right palmar tip and the right side of her mouth. However, pain and temperature sensibility was preserved. Cerebrospinal fluid was clear and colorless. CT scan showed an enhancing mass in the prepontine cistern compressing the pontine base. Vertebral angiography revealed irregular narrowing of bilateral vertebral arteries (string sign) proximal to a fusiform aneurysm on the entire length of the basilar artery. MRI showed double lumina in the wall of the aneurysm. The medial lemniscus conducts the discriminatory tactile and the deep sensory impulses from the extremities. The ventral ascending tract of the trigeminal nerve conducts the discriminatory tactile sensory impulses from the face. These two tracts lie close together in the pontine tegmentum, which is also a watershed area of the paramedian branches and circumferential branches of the basilar artery. We suggest that in this case the dissecting aneurysm caused ischemia of these two tracts in the left pontine tegmentum, presenting right cheiro-oral syndrome.

Adult↗
PubMed1990

[A case of delayed radiation lumbo-sacral plexopathy].

We report a 47-year-old woman who developed a slowly progressive lumbosacral plexopathy with mixed sensorimotor losses in the lower extremities. The symptoms were apparent 8 years after x-ray irradiation for an ovarian carcinoma. Neurological examination showed mild weakness and absent deep tendon reflexes of bilateral lower extremities, and hypesthesia to all modalities in anterior aspects of bilateral lower thighs, in dorsum pedis and soles. Extensive investigations regarding the possibility of tumor recurrence were negative. Computed tomography of pelvis showed abnormal soft tissue densities around the lumbosacral plexus. Intravenous pyelography showed bilateral hydronephrosis and narrowed ureters at the first sacral vertebra level. These findings are consistent with radiation-induced fibrosis rather than tumor infiltration. The results suggest the entrapment lumbosacral plexopathy due to surrounding fibrosis after irradiation. We speculated the sensorimotor losses caused by entrapment of the lumbosacral plexus.

Female↗
PubMed1989

[A case of Burkitt's lymphoma with numb chin syndrome as the initial manifestation].

In 1963, Calverley and Mohnac reported four cases with sensory disturbance of the mental nerve region. They emphasized the symptomatological significance of that finding because of the underlying ominous diseases. The purpose of this paper is to emphasize the clinical importance of this symptom especially as the initial manifestation of the underlying malignant diseases. A 56-year-old Japanese female was seen in consultation because of complaints of the paresthesia over the distribution of the right mental nerve, diplopia and ptosis of the right side. The patient had been well until a hundred days prior to admission, when she noted numbness with pain of the right mental nerve region. This symptom was followed by ptosis of the right side and diplopia after five weeks. MRI-CT scan revealed an abnormally low intensity echo (in T1 weighted image) of the bone around sphenoid sinus and tumor of the cavernous sinus (in T2 weighted image) compressing the right internal carotid artery. The patient was transferred to this hospital 100 days after the occurrence of the initial symptom. Physical examination revealed neither superficial lymph node swelling nor buccal tumor. Abnormal findings were restricted to the cranial nerve regions such as diplopia, adduction disturbance, sluggish light reflex of the right side and hypesthesia on the right chin, lower lip and buccal mucous membrane. Other neurological findings were not significant. Laboratory findings showed elevated LDH (1,503 IU/L). Leucocyte cell count was 7,500/mm3 with almost normal composition. CSF was normal. A diagnosis of Burkitt's lymphoma stage IV was done by nasopharynx and bone marrow biopsies.(ABSTRACT TRUNCATED AT 250 WORDS)

Burkitt Lymphoma↗