Presentation
While diagnosis is based on electrodiagnosis and clinical presentation, MRI maybe performed to rule out other etiologies of nerve injury. [neurology.org]
However, Sjögren syndrome sometimes presents with sensory neuropathy or ganglioneuritis. Ribosomal P antibody may be present in these individuals. [questdiagnostics.com]
The potential role of parkin is interesting, as parkin mRNA is present within human peripheral nerve [ 36 ]. [intechopen.com]
Accordingly, peripheral neuropathies may be characterized by their inheritance, clinical patterns or pathologic presentations. [clinicaladvisor.com]
Several disorders can damage peripheral nerves and cause peripheral neuropathy; it is important to differentiate actual neuropathy from other disorders that can have a similar clinical presentation. [aafp.org]
Entire Body System
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Acute Intermittent Porphyria
CMT) H Hypothyroidism Predominately motor peripheral neuropathy Guillain-Barré syndrome, chronic inflammatory polyradiculoneuropathy Hereditary motor and sensory neuropathy Diabetes mellitus Others-e.g. acute intermittent porphyria, lead poisoning, diphtheria [lifeinthefastlane.com]
Predominantly Motor Neuropathies Guillain-Barre Sydnrome and CIPD Acute intermittant porphyria Lead neuropathy Heritable motor-sensory neuropathies Motor Neuron Disease (neuronopathy): ALS Infantile Motor Neuron Diseases Poliomyelitis and Postpolio Syndrome [enotes.tripod.com]
intermittent porphyria Persisting nutritional deficiency Dominantly inherited sensory neuropathy CIDP Critical illness polyneuropathy Abnormal metabolic state CIDP HIV/AIDS Diphtheric neuropathy Paraneoplastic syndrome Toxic Thallium toxicity CIDP Porphyria [aafp.org]
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Hodgkin Lymphoma
Infiltration of the CNS by Non-Hodgkin’s lymphoma will show clonal lymphocytes. Viral infection may result in increased CSF lymphocytes but will not be clonal. [bmcneurol.biomedcentral.com]
Neurologic
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Peripheral Neuropathy
Using exome sequencing, we identified a de novo mutation (c.2971A G; T991A) in SLC12A6, the gene encoding the K( )-Cl(-) cotransporter KCC3, in a patient with an early-onset, progressive, and severe peripheral neuropathy primarily affecting motor neurons [ncbi.nlm.nih.gov]
Amyloidosis Other Types of Peripheral Neuropathy Bell's Palsy [peripheralneuropathycenter.uchicago.edu]
Important subgroups for differential diagnosis are: predominately motor, painful peripheral neuropathies and mononeuritis multiplex Mononeuritis multiplex is a painful, asymmetrical, asynchronous sensory and motor peripheral neuropathy involving isolated [lifeinthefastlane.com]
[…] without peripheral neuropathy. [intechopen.com]
Peripheral Neuropathy The term peripheral neuropathy is frequently used interchangeably with the terms neuropathy and polyneuropathy. [innovationsstemcellcenter.com]
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Limb Weakness
weakness in individual motor nerve distribution with or without persistent conduction block preferentially affecting young man. [neurology.org]
Similar findings in electrophysiological studies conducted in herpes zoster limb paralysis were reported in previous studies. [4] The latency period between the onset of vesicular eruption and the development of limb weakness may vary from 1 day to 4 [ijdvl.com]
[…] lower limb motor neuropathy (diabetic amyotrophy) can occur Local vascular insufficiency with nerve ischemia is most likely underlying problem Focal inflammatory and vasculitic pathologies may occur Diabetic Amyotrophy Acute, monophasic, painful lower limb [enotes.tripod.com]
In addition, a peripheral neuropathy may contribute to development of new symptoms including sensory phenomena, distal limb weakness, and pain. [intechopen.com]
Limb-girdle muscular dystrophy This is a heterogeneous group of conditions that usually appear in adolescence or adult life with proximal limb weakness. The weakness usually progresses slowly, but it may arrest spontaneously. [dartmouth.edu]
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Excitement
Nerve excitability testing and its clinical application to neuromuscular diseases Nodera H, Kaji R Clinical neurophysiology, 2006, 117, p. 1902-1916 Prise en charge des neuropathies motrices multifocales à blocs de conduction en France en 2005 : résultats [myobase.org]
The muscle fibers in a motor unit respond in an all-or-none fashion to excitation by the motor neuron (both to natural excitation and artificial stimulation, such as electric nerve stimulation). [dartmouth.edu]
Release of the body’s own pain-reducing chemicals may be dampened, and some nerve cells along the pathway may become excitable and overly active in signaling pain messages. [neuromodulation.com]
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Dystonia
These abnormalities are known as Leber plus'' (see this term), and include motor disorders, dystonia, postural tremor and cerebellar ataxia. Etiology LHON is caused by mutations in the mitochondrial DNA (mtDNA). [orpha.net]
In particular, it was felt that pain was most often related to the presence of concurrent dystonia [ 31 ]. [intechopen.com]
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Encephalopathy
These encephalopathies may be caused by antibodies to neurotransmitter receptors such as N-methyl-D-aspartate receptor 1 (NMDAR1), glutamate receptors AMPAR1 and AMPAR2, and GABA B receptors. [questdiagnostics.com]
While those are generally regarded as the most common manifestations of Lyme neuroborreliosis, other neurological complications may also arise, including encephalopathy, polyneuropathy, myelopathy, and motor neuron disease. 10,11 Though firm figures are [lermagazine.com]
Workup
Complete electrodiagnostic studies [Nerve conduction studies (NCS) and needle electromyography (EMG)]: Perform if unclear after initial workup or presence of atypical symptoms: asymmetry, motor predominance, non-length dependence, prominent autonomic [clinicaladvisor.com]
However, in cases with subtle clinical presentation, an extended diagnostic workup may be needed, such as cerebrospinal fluid examination, laboratory tests, and nerve biopsy. [nnjournal.net]
(See Workup.) Management of diabetic neuropathy should begin at the initial diagnosis of diabetes. [emedicine.medscape.com]
Treatment
After the biopsy patient has experienced new wrist extension weakness but has refused treatment with IVIG. Conclusions: This is a patient with permanent PIN axonal injury due to MMN and MRI mistakenly diagnosed as primary nerve sheath tumor. [neurology.org]
Intravenous immunoglobulin (IVIg) Immunosuppressive therapy with cyclophosphamide (Cytoxan) Mild symptoms may not require treatment [foundationforpn.org]
Evaluation and treatment of suspected radiculopathy. Figure 3. Evaluation and treatment of suspected radiculopathy. Figure 4. Evaluation and treatment of suspected polyneuropathy (eg, multifocal mononeuropathy). Figure 4. [jaoa.org]
As with any illness for which there is no satisfactory treatment, neuropathy treatment scams run loose on the Internet. [practicalneurology.com]
Treatment Treatment with cyclophosphamide or human immune globulin (HIG) can produce useful functional improvement in patients with MMN. [neuromuscular.wustl.edu]
Prognosis
Prognosis The age of symptom onset (younger patients having a more favorable prognosis) and the causative mutation (patients with MT-ND6 mutations showing highest recovery rates) are factors that determine the disease outcome. [orpha.net]
What You Need to Know There are more than 100 types of peripheral neuropathy, each with its own set of symptoms and prognosis. Peripheral neuropathy has many different causes. [hopkinsmedicine.org]
WHAT IS THE PROGNOSIS FOR PERIPHERAL NEUROPATHY? The prognosis for peripheral neuropathy very much depends on the cause and severity of the neuropathy. You would need to speak to your neurologist about your individual case. [precisionhealth.com.au]
Clinical study and functional prognosis. Rev Neurol 2001;32:15-8. 5. Nigam P, Dayal SG. Paralysis of the limb complicating herpes zoster. Indian J Dermatol Venereol Leprol 1978;44:293-4. [Table 1] [ijdvl.com]
[…] hereditary neuropathy can develop rapidly progressive, severe neuropathy after low cumulative doses of vincristine 7 Bedridden patients Hepatic insufficiency Administration of concurrent granulocyte- or granulocyte-macrophage-colony stimulating factor Prognosis [pedsoncologyeducation.com]
Etiology
While diagnosis is based on electrodiagnosis and clinical presentation, MRI maybe performed to rule out other etiologies of nerve injury. [neurology.org]
[…] arsenic, vinblastine, others) He hereditary R recurrent A amyloid P porphyria (motor involvement, intermittent) I infections (AIDS, mononucleosis, leprosy, diphtheria) S systemic (CVD, uremia, dysproteinemia) T tumor (paraneoplastic) Peripheral Neuropathy Etiologic [enotes.tripod.com]
The most important aspect of the discussion comes after review of the diagnosis, etiology, and treatment. [practicalneurology.com]
The prognosis of neuropathy can differ depending on the etiology. [opedge.com]
Questions exploring different potential etiology’s as well to discriminate between syndromes: Etiologic questions Duration of symptoms (acute versus sub-acute syndromes). [clinicaladvisor.com]
Epidemiology
Summary Epidemiology Prevalence of the disease is not well known but is estimated at 1/15,000 - 1/50,000 people worldwide. Clinical description Sudden, painless, acute or subacute central vision loss is often noted between the ages of 18 to 30. [orpha.net]
Quantitative sensation testing in epidemiological and therapeutic studies of peripheral neuropathy. Muscle Nerve. 1999 Jun. 22(6):659-62. [Medline]. Pirart J. [emedicine.medscape.com]
Current status of leprosy: epidemiology, basic science and clinical perspectives. J. Dermatol. 39, 121–129 (2012). 50. Lacomis, D. Small-fiber neuropathy. Muscle Nerve 26, 173–188 (2002). 51. Devigili, G. et al. [nature.com]
Epidemiology of peripheral neuropathy. J Neurol Neurosurg Psychiatry. 1997;62(4):310–318. ... 2. Hughes RA. Peripheral neuropathy. BMJ. 2002;324(7335):466–469. 3. Davies M, Brophy S, Williams R, Taylor A. [aafp.org]
Epidemiology of chronic inflammatory neuropathies in southeast England. Eur J Neurol 2014;21:28-33. DOI PubMed 2. Joint Task Force of the EFNS and the PNS. [nnjournal.net]
Pathophysiology
Pathophysiology Although peripheral neuropathy has multiple etiologies, the nerve has a limited number of ways to respond to injury. 4, 5 The damage can occur at the level of the axon (i.e., axonopathy). [aafp.org]
The pathophysiology seems to be one of sharing the same epitope of IgM MGUS and antibodies to Myelin- Associated Glycoprotein (MAG) and other myelin proteins and glycolipids. Testing for anti-MAG antibodies is widely available. [gmjournal.co.uk]
Back to Top Pathophysiology and Natural History Despite the diverse array of medical disorders that cause peripheral neuropathies, peripheral nerves exhibit only a few distinct pathologic reactions to an insult or disease: wallerian degeneration, axonal [clevelandclinicmeded.com]
In this Review, we will discuss the general approach for diagnosing patients with peripheral neuropathy, and detail the presentation, pathophysiological features and general rules of treatment of patients with peripheral neuropathy in the context of rheumatic [nature.com]
Access personal reporting Related Content This Book Next chapter Pathophysiology of L-Dopa Induced Dyskinesia — Changes in D1/D3 Receptors and Their Signaling Pathway By Sacnité Albarran Bravo, Claudia Rangel-Barajas and Benjamín Florán Garduño Related [intechopen.com]
Prevention
Prevention The patient plays a vital role in minimizing the risk of developing diabetic peripheral neuropathy and in preventing its possible consequences. Some important preventive measures include: Keep blood sugar levels under control. [nwfeet.com]
Peripheral Neuropathy Prevention Lifestyle choices can play a role in preventing peripheral neuropathy. [hopkinsmedicine.org]
CAN PERIPHERAL NEUROPATHY BE PREVENTED? This depends on the cause of the neuropathy. Some of the most common causes of peripheral neuropathy are preventable or treatable to some degree. [precisionhealth.com.au]
Collaborative Meta-Analysis of Randomised Trials of Antiplatelet Therapy for Prevention of Death, Myocardial Infarction, and Stroke in High Risk Patients. [books.google.es]