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1/57. Mental neuropathy: report of five cases and review of the literature.

    Mental nerve neuropathy, also referred to as numb chin syndrome, is a rare, seemingly harmless symptom. It is more often associated with cancer, either as first symptom or during the outcome, than with benign diseases. In this review, we will focus on the numb chin syndrome presenting as an isolated neurological symptom. We report five patients with mental nerve neuropathy associated with metastatic disease (small cell lung cancer, prostatic cancer and breast cancer). In one patient, numb chin syndrome preceded the discovery of the disease, while, in the four others, it occurred as a sign of relapse or progression. Isolated mental nerve neuropathy, frequently associated with breast cancer and lymphoproliferative diseases, is generally thought to be the consequence of bone metastases or leptomeningeal seeding, but may also present without an obvious cause, most often secondary to the involvement of the mental nerve itself. Although various therapies may lead to the resolution of this symptom, median survival after diagnosis is generally less than 1 year. The appearance of a mental nerve neuropathy should never be considered as a 'banal' symptom and investigations to detect a possible cancer should be mandatory.
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ranking = 1
keywords = neuropathy
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2/57. Oral and maxillofacial manifestations of multiple sclerosis.

    multiple sclerosis is a chronic demyelinating disease of the central nervous system which mostly affects young adults living in the northern hemisphere. It is a disease primarily found in temperate climates, being rare in the tropics and increasing in frequency with distance from the equator. canada has one of the highest prevalence rates in the world. dentists should be familiar with the clinical manifestations that affect the oral and maxillofacial areas as well as patients' general health. Three of the most frequent oro-facial symptoms include trigeminal neuralgia, trigeminal sensory neuropathy and facial palsy. dentists should also be aware of the importance of this disease in the diagnosis, treatment and prognosis of certain oro-facial lesions or conditions. This paper reviews 2 cases of multiple sclerosis, highlights its oro-facial manifestations and discusses the dental implications of the disease.
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ranking = 0.125
keywords = neuropathy
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3/57. Unexplainable nondermatomal somatosensory deficits in patients with chronic nonmalignant pain in the context of litigation/compensation: a role for involvement of central factors?

    OBJECTIVE: To address the prevalence and characteristics of nondermatomal somatosensory deficits (NDSD) in subjects with chronic pain in the context of compensation/litigation. methods: Data were collected via standardized history, examination, and patient- as well as physician-drawn body maps in a consecutive series of 194 subjects seen for the purpose of an independent medical examination. RESULTS: Forty-nine subjects (25.3%) with primarily widespread pain (often diagnosed as fibromyalgia) presented with hemisensory or quadrotomal deficits to pinprick and other cutaneous stimuli on the side of lateralized pain or worse pain. The NDSD limbs often had impairment of vibration sense (not infrequently associated with "forehead vibration split"), reduced strength, dexterity or movement, and extreme sensitivity to superficial skin palpation or profound insensitivity to deep pain. Spatial, temporal, qualitative, and evolutionary patterns of NDSD emerged associated with cognitive/affective symptoms. NDSD subjects were more often born outside canada, more likely to be injured at work, present with abnormal pain behavior, and have negative investigations. CONCLUSION: NDSD are a prevalent problem associated with chronic pain. Future research should explore the prevalence of NDSD in other pain populations, the role of personality and related factors, and the underlying biological substrate of these deficits.
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ranking = 7.7850962233955E-6
keywords = deep
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4/57. Isolated sural neuropathy presenting as lateral ankle pain.

    A case of job-related, unilateral traumatic sural neuropathy causing severe lateral ankle pain and impaired work performance for a 26-yr-old female grocery clerk is reported. This diagnosis is made both clinically and electrophysiologically. We review the pertinent electrophysiologic features, anatomy, and clinical findings in our patient with an isolated sural neuropathy. A review of the literature demonstrates that trauma is the most common cause of this unusual isolated neuropathy. Despite its rare occurrence, it should be considered in patients who present with lateral ankle pain and concomitant loss of sensation in the sural nerve distribution. The establishment of a neuropathic origin assists with management strategies that will differ from the more common musculoskeletal causes of lateral ankle pain. After an appropriate diagnosis and treatment, an excellent outcome resulted for our patient.
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ranking = 0.875
keywords = neuropathy
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5/57. mefloquine-induced trigeminal sensory neuropathy.

    Trigeminal sensory neuropathy is an important finding, often indicative of trauma but sometimes related to neoplasia, infections, demyelinating conditions, connective tissue disorders, other disorders, or, occasionally, drugs. This paper reports on a patient with sudden-onset trigeminal sensory neuropathy of the lip that proved to be drug-induced, secondary to the antimalarial drug mefloquine. This appears to be the first report of sensory impairment in the orofacial region from exposure to mefloquine.
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ranking = 0.75
keywords = neuropathy
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6/57. Neuropathic complications of mandibular implant surgery: review and case presentations.

    Injuries to trigeminal nerves during endosseous implant placement in the posterior mandible appear to occur acutely in approximately 5-15 of cases, with permanent neurosensory disorder resulting in approximately 8%. Nerve lateralization holds even higher risks from epineurial damage or ischaemic stretching. Neuropathy from implant compression and drill punctures can result in neuroma formation of all types, and in some cases precipitate centralized pain syndrome. Two patterns of clinical neuropathy are seen to result; hypoaesthesias with impaired sensory function, often seen with phantom pain, and hyperaesthesias with minimal sensory impairment but presence of much-evoked pain phenomena. The clinician must differentiate, through careful patient questioning and stimulus-response testing, those patients who are undergoing satisfactory spontaneous nerve recovery from those who are developing dysfunctional or dysaesthetic syndromes. Acute nerve injuries are treated with fixture and nerve decompression and combined with supportive anti-inflammatory, narcotic and anti-convulsant therapy. Surgical exploration, neuroma resection and microsurgical repair, with or without nerve grafting, are indicated when unsatisfactory spontaneous sensory return has been demonstrated, and in the presence of function impairment and intractable pain.
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ranking = 0.125
keywords = neuropathy
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7/57. Neurolymphomatosis associated with muscle and cerebral involvement caused by natural killer cell lymphoma: a case report and review of literature.

    We report a biopsy-proven case of neurolymphomatosis (NL) presenting with sensory motor axonal polyneuropathy, polymyositis, and cerebral involvement. Ours is the second reported case of NL caused by natural killer-cell lymphoma defined by morphology and immunophenotyping. For 3 months, the patient developed stocking-glove distribution of hypesthesia, subacute progressive weakness and mental deterioration. EMG showed severe sensorimotor mixed axonal-demyelinating polyradiculoneuropathy. Lumbar puncture revealed mildly high protein level with normal glucose and cell count. sural nerve biopsy demonstrated lymphomatous axonal neuropathy and muscle biopsy was indicative of lymphomatous polymyositis. brain MRI revealed multiple white matter lesions, consistent either with progressive multifocal leukoencephalopathy or cerebral lymphoma. bone marrow biopsy showed neoplastic infiltrates. The patient died of multiple organ failure prior to initiation of chemotherapy.
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ranking = 0.375
keywords = neuropathy
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8/57. Chronic granulomatous neuritis in idiopathic trigeminal sensory neuropathy. Report of two cases.

    Idiopathic trigeminal sensory neuropathy is a clinically benign disorder in which the main feature is facial numbness limited to the territory of one or more divisions of the trigeminal nerve; the disorder persists for a few weeks to several years. and no underlying disease can be identified. Magnetic resonance (MR) imaging findings are occasionally consistent with a small trigeminal neuroma of the left gasserian ganglion associated with idiopathic trigeminal sensory neuropathy. The authors report on two patients who were treated using a skull base approach in which the gasserian ganglion was exposed and the lesion was removed. The pathological diagnosis was chronic granulomatous neuritis. The authors conclude that, in patients with MR findings suggestive of a small trigeminal neuroma, benign idiopathic trigeminal sensory neuropathy should also be considered in the differential diagnosis. A conservative approach featuring sequential MR imaging studies may avoid an unnecessary surgical exploration.
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ranking = 0.875
keywords = neuropathy
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9/57. Meralgia paresthetica: an unusual complication of cardiac catheterization via the femoral artery.

    Nerve complications following cardiac catheterization via the femoral route are rare. We report a case of meralgia paresthetica, a mononeuropathy affecting the lateral cutaneous nerve of the thigh following uncomplicated cardiac catheterization and percutaneous intervention via this route.
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ranking = 0.125
keywords = neuropathy
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10/57. A study of the clinical characteristics of benign trigeminal sensory neuropathy.

    PURPOSE: The purpose of this study was to describe the clinical characteristics of a series of patients presenting with benign trigeminal sensory neuropathy. patients AND methods: We conducted a retrospective analysis of the clinical and pathologic characteristics of 23 patients presenting with facial numbness of unknown etiology. RESULTS: patients presented with diverse medical histories but could be grouped into those with a connective tissue disorder, neurologic disease, psychologic problems, or a medical history of unknown significance. The age of the patient, the severity and distribution of the trigeminal neuropathy, and symptoms other than neuropathy closely reflected the patient's medical history. The majority of patients underwent magnetic resonance imaging, but the results did not facilitate the diagnosis of the condition or reflect the extent and severity of the symptoms. In 60% of patients, the symptoms remained unchanged during the course of the study and outcome was not influenced by medical treatment. CONCLUSIONS: The diagnosis and management of benign trigeminal sensory neuropathy remain a significant clinical challenge.
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ranking = 1
keywords = neuropathy
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