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         Hereditary Sensory Motor Neuropathy:     more detail
  1. Hereditary Motor and Sensory Neuropathy: Webster's Timeline History, 1980 - 2007 by Icon Group International, 2009-04-16
  2. Genetics of hereditary motor and sensory neuropathy and the Costa Rican contribution.(Charcot-Marie-Tooth (CMT)): An article from: Revista de Biología Tropical by Alejandro Leal, 2004-09-01
  3. Charcot-Marie-Tooth Disease: A Practical Guide. Also Known as Hereditary Motor and Sensory Neuropathy and Peroneal Muscular Atrophy. by (No Author), 2000
  4. 21st Century Complete Medical Guide to Charcot-Marie-Tooth Disease (CMT), Hereditary Motor and Sensory Neuropathy (HMSN), Peroneal Muscular Atrophy, Authoritative ... for Patients and Physicians (CD-ROM) by PM Medical Health News, 2004-03
  5. Lipidoses: An entry from Thomson Gale's <i>Gale Encyclopedia of Children's Health: Infancy through Adolescence</i> by Tish, A.M. Davidson, Altha Edgren, 2006

1. Hereditary Sensory Motor Neuropathy Questions
Subject hereditary sensory motor neuropathy Questions Topic Area Autonomic ForumThe Neurology and Neurosurgery Forum Question Posted By Maureen on Saturday
http://www.medhelp.org/forums/neuro/archive/540.html
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The Cleveland Clinic , consistently ranked one of the best hospitals in America. Subject: Hereditary Sensory Motor Neuropathy Questions
Topic Area: Autonomic
Forum: The Neurology and Neurosurgery Forum
Question Posted By: Maureen on Saturday, May 31, 1997
Posted by ccfNeuro MD on June 04, 1997 at 14:51:25:
In Reply to: Hereditary Sensory Motor Neuropathy Questions posted by Maureen on May 31, 1997 at 09:49:35:
: I have an HSMN called HNPP (Hereditary neuropathy with liability to pressure palsies). It is a relatively rare demeliniatng neuropathy and the nerves are described as tomaculous. Entrapment is typical (carpal and cubital tunnel, thoracic outlet and the evquivalent syndromses in the legs). A distinguishing feature is numbess/weakness which lasts fro minutes to months caused byu situations which would not cause problems in a "normal" person. One needs to learn to avoid situations that cause symptoms. There is no treatment. I have had symptoms for more than 15 years and have led a fairly normal life up until a couple of years ago. There had been periods where symptoms werre better and worse. Therre was a very slow progression where it took less to cause symptoms.

2. Hereditary Sensory Motor Neuropathy Questions
Subject hereditary sensory motor neuropathy Questions Forum The Neurology andNeurosurgery Forum Topic Area Posted by Maureen on May 31, 1997 at 094935
http://www.medhelp.org/forums/neuro/archive/489.html
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The Cleveland Clinic , consistently ranked one of the best hospitals in America. Subject: Hereditary Sensory Motor Neuropathy Questions
Forum: The Neurology and Neurosurgery Forum
Topic Area:
Posted by Maureen on May 31, 1997 at 09:49:35:
I have an HSMN called HNPP (Hereditary neuropathy with liability to pressure palsies). It is a relatively rare demeliniatng neuropathy and the nerves are described as tomaculous. Entrapment is typical (carpal and cubital tunnel, thoracic outlet and the evquivalent syndromses in the legs). A distinguishing feature is numbess/weakness which lasts fro minutes to months caused byu situations which would not cause problems in a "normal" person. One needs to learn to avoid situations that cause symptoms. There is no treatment. I have had symptoms for more than 15 years and have led a fairly normal life up until a couple of years ago. There had been periods where symptoms werre better and worse. Therre was a very slow progression where it took less to cause symptoms. A few years ago, I had a traumatic injury to one nerve, causing mostly pain, and that seemed to set the neuopathy off into a fasirly rapid decline. I have pain, numbness and motor problems (foot drop, difficulty writing, dropping things, etc) , in all 4 limbs, which seems to vary in intensity day to day. It's getting harder to walk and climb stairs. And while having sensations of numbness, I also have an exaggerated response to pin pricks, etc.

3. Hereditary Sensory Motor Neuropathy Questions
The Neurology and Neurosurgery Forum ask the doctor medical forum for patients hosted by Med Help Intl. Subject hereditary sensory motor neuropathy Questions. Forum The Neurology and Neurosurgery Forum
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A not-for-profit organization Questions in The Neurology Forum are being answered by doctors from
The Cleveland Clinic , consistently ranked one of the best hospitals in America. Subject: Hereditary Sensory Motor Neuropathy Questions
Forum: The Neurology and Neurosurgery Forum
Topic Area:
Posted by Maureen on May 31, 1997 at 09:49:35:
I have an HSMN called HNPP (Hereditary neuropathy with liability to pressure palsies). It is a relatively rare demeliniatng neuropathy and the nerves are described as tomaculous. Entrapment is typical (carpal and cubital tunnel, thoracic outlet and the evquivalent syndromses in the legs). A distinguishing feature is numbess/weakness which lasts fro minutes to months caused byu situations which would not cause problems in a "normal" person. One needs to learn to avoid situations that cause symptoms. There is no treatment. I have had symptoms for more than 15 years and have led a fairly normal life up until a couple of years ago. There had been periods where symptoms werre better and worse. Therre was a very slow progression where it took less to cause symptoms. A few years ago, I had a traumatic injury to one nerve, causing mostly pain, and that seemed to set the neuopathy off into a fasirly rapid decline. I have pain, numbness and motor problems (foot drop, difficulty writing, dropping things, etc) , in all 4 limbs, which seems to vary in intensity day to day. It's getting harder to walk and climb stairs. And while having sensations of numbness, I also have an exaggerated response to pin pricks, etc.

4. 1999; Hereditary Auditory, Vestibular, And Sensory Motor Neuropathy Due To A Chr
families (Bulgarian, Italian) with hearing loss and hereditary sensory motor neuropathy. We were able to refine the
http://www.aro.org/archives/1999/214.html
Abstract , Date , Session G , Podium , 8:15a Hereditary auditory, vestibular, and sensory motor neuropathy due to a chromosome 8 disorder *D. Butinar (Universiy of Ljubljana); B.J.B. Keats (Louisiana State University); Y.S. Sininger (House Ear Institute); A. Starr (University California-Irvine)
Supported by National Institutes of Health, DC-02618

5. G Therapy - Case Studies
Case No 5 hereditary sensory motor neuropathy Axonal Demyelinating.Omkar Shetye is a 8 Years old boy with hereditary sensori
http://www.g-therapy.org/neurologycs5.htm

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Contact Us
*Volunteers/Researchers* Welcome to Neuropathy Research Section
Range of Medicinal Oils.
Omkar Shetye is a 8 Years old boy with hereditary sensori – motor neuropathy with deafness and has one elder sister who is very similarly affected. He was seen at our center in Nov’98 and started on Neuro G-Therapy. One month after therapy few NCV improvements were noted. On Examination: Head circumference 50.5 cm. Marked squint both eyes. No abnormal facies or dermo - glyphics. Pes planus, feet are narrow and small, 3rd toe of both feet hypotrophic. Scratch marks and injuries all over lower limb and upper limb- suggesting a sensory component. CNS Examination : Alert Cooperative. Smiles, imitates action. Understanding/ Intelligence is fair if due concessions are made for his deafness and no special training. Investigations Before Neuro G-Therapy :
  • November 1994 : Diffuse sensory neuropathy.
  • 6. G Therapy - Case Studies
    Case No 5 hereditary sensory motor neuropathy Axonal Demyelinating. Hereditarysensory motor neuropathy, 8 Years Since birth, Nov 98. Gen.
    http://www.g-therapy.org/neurologyhome.htm

    Home

    Contact Us
    *Volunteers/Researchers* Welcome to Neuropathy Research Section
    Range of Medicinal Oils.
    Improvements with 'Neuro G Therapy' in Chronic Neuropathies

    Please Note: "The intention of putting the original lab. reports and the opinions of the neurologists is just for the sake of providing objective information to visiting or viewing researchers about this research study. This in my opinion will help further research in the field of Neuropathy and Neurology."
    Center for Developmental Disorders and Complementary Medicines,
    1215, Bhavani Peth,
    Palkhi Chowk,
    Pune 411042,India.
    Fax : 0091-20-6342869, Phone 0091-20-6355511. E Mail : gunvant@pn2.vsnl.net.in Web Site : www.g-therapy.org Neuro G Therapy is a combination of potentised herbal extracts, biochemical tissue salts and minerals in energy activated form. Introduction: Research Progress: I have been working mainly with developmental disabilities besides a few cases of dystonias, adult stroke, dementia and neuropathies. I have

    7. Diseases - Search
    CharcotMarie-Tooth Disease (CMT), hereditary sensory motor neuropathy (HSMN),Peroneal muscular atrophy (PMA), Neuropathy with focally folded myelin sheaths
    http://www.rehabinfo.net/resources/diseases/list/
    NIDRR Rehabilitation Research and Training Center in Neuromuscular Diseases (RRTC/NMD) Search Site Path: Home resources diseases list March 30, 2003 [ Sorted by Name ] Sort by Search Term Search for keywords: A B C D ... Acid Maltase Deficiency Glycogenosis type II, Pompe disease, Glycogen storage disease II, Generalized glycogenosis, Lysosomal alpha-glucosidase deficiency, Amyotrophic Lateral Sclerosis Motor neuron disease, Familial amyotrophic lateral sclerosis (FALS), ALS, Lou Gehrig's disease, Becker Muscular Dystrophy (BMD) Benign juvenile muscular dystrophy, Progressive tardive muscular dystrophy, Carnitine Deficiency Systemic carnitine deficiency, Muscle carnitine deficiency, Renal reabsorption of carnitine defect, Central Core Disease (CCD) Muscle core disease, Muscular central core disease, Central fibrillar myopathy, Shy-Magee syndrome, Central core disease of muscle, Central core myopathy, Charcot-Marie-Tooth Disease (CMT) Hereditary sensory motor neuropathy (HSMN), Peroneal muscular atrophy (PMA), Neuropathy with focally folded myelin sheaths, Congenital hypomyelinating neuropathy, Congenital Fiber-type Disproportion (CFTD) Atrophy of Type I fibers, Myopathy of congenital fiber-type disproportion, CFTDM

    8. Diagnosis Case 15
    The differential diagnosis of the peripheral neuropathy presented in this case includesa form of hereditary sensory motor neuropathy (HMSN), vasculitis, and
    http://sprojects.mmi.mcgill.ca/neuropath/case15/15diag.htm
    Final Diagnosis
    Tomaculous Neuropathy Clinical discussion:
    Physical examination in HNPP often reveals weakness and sensory loss attributable to a specific nerve distribution. However, if the disease is advanced and many nerves are affected, findings may be generalized as in the patient above, thereby mimicking a distal sensorimotor peripheral neuropathy, such as CMT-I. The symptoms would then include a decrease in distal limb reflexes, weakness and wasting of the intrinsic muscles of the hand and foot, and a decreased vibration sense. The nerve conduction studies in HNPP usually show a widespread polyneuropathy. Motor and sensory conduction abnormalities are found not only in affected nerves, but also in those that are clinically normal. Unaffected nerves show prolongation of distal latency, mild slowing of conduction velocities, and reduced amplitude. Affected nerves show segmental slowing or block, especially at entrapment sites. There is a decrease in amplitude of the compound muscle action potential when the nerve is stimulated proximal to the block. Needle EMG studies are normal in clinically unaffected nerves. In mild cases, the EMG shows a reduction in voluntarily activated motor unit potentials. In severe cases, signs of active denervation such as increased insertional activity or fibrillation potentials are more prominent. Microscopy discussion
    The muscle biopsy of this patient demonstrated a number of features consistent with a denervation-reinnervation process: variation in muscle fiber size, large sheets of smaller diameter fibers, and fiber-type grouping. The nerve biopsy showed a shift to smaller diameter nerve fibers, which corresponds to the slowed velocities seen on nerve conduction studies. As is characteristic in HNPP, both affected and unaffected nerves of the patient showed areas of myelin thickening (tomaculae) that are particularly convincing in the teased nerve fiber preparations.

    9. ICON Health Publications -- Home Page
    motor sensory neuropathy i, hereditary nephritis, hereditary peroneal nerve dysfunction,hereditary sensory motor neuropathy, hereditary spastic paraplegia
    http://www.icongrouponline.com/health/healthH.html
    ICON Health Publications
    Official Health Sourcebooks Conditions or Treatments A B C D ... Z Search:
    H. FLU MENINGITIS
    related to INFLUENZA
    H. FLU MENINGITIS
    related to MENINGITIS
    H. INFLUENZA MENINGITIS
    related to INFLUENZA
    H. INFLUENZA MENINGITIS
    related to MENINGITIS
    HABIT SPASMS

    HAEMOPHILUS INFLUENZAE

    HAEMOPHILUS INFLUENZAE SEROTYPE B

    HAEMOPHILUS VAGINALIS
    related to BACTERIAL VAGINOSIS
    HAEMOPHILUS VAGINALIS
    related to FOODBORNE ILLNESS HAEMOPHILUS VAGINALIS related to VAGINITIS HAEMOPHILUS VAGINITIS related to BACTERIAL VAGINOSIS HAEMOPHILUS VAGINITIS related to VAGINITIS HAIRY CELL LEUKEMIA HALLERVORDEN-SPATZ DISEASE HALLERVORDEN-SPATZ SYNDROME HALLOPEAU-SIEMENS DISEASE ... HEAD AND NECK CANCER related to LARYNGEAL CANCER HEAD AND NECK CANCER related to METASTATIC SQUAMOUS NECK CANCER WITH OCCULT PRIMARY HEAD LICE INFESTATION HEART FAILURE HEBERDEN'S SYNDROME HEINRICHSBAUER SYNDROME ... HEMANGIOBLASTOMA related to ADULT BRAIN TUMORS HEMANGIOBLASTOMA related to CHILDHOOD BRAIN STEM GLIOMA HEMANGIOBLASTOMA related to CHILDHOOD BRAIN TUMORS HEMANGIOBLASTOMA related to CHILDHOOD EPENDYMOMA HEMATOCELE HEMATURIA HEMATURIA - NEPHROPATHY - DEAFNESS HEMATURIA, BENIGN, RECURRENT

    10. ICON Health Publications -- Index
    Hereditary Motor Sensory Neuropathy. Hereditary Motor Sensory NeuropathyI. hereditary sensory motor neuropathy. Hereditary Spastic Paraplegia.
    http://www.icongrouponline.com/browse/Health/healthH.html
    ICON Group
    Browse - Health Health Publications
    A B C D ... back

    11. Absolute Foot Care : Common Foot Problems
    This is commonly associated with Diabetes, but can also be related to hereditarycauses called HSMN (hereditary sensory motor neuropathy), Alcoholism, Heavy
    http://www.absolutefootcare.com/foot_problems/
    Common Foot Problems
    It is not normal for anyone to have foot pain. The old adage "When your feet hurt, you hurt all over" is true. There are many causes of foot pain. We have listed some of the more common ones below. All of these problems are treatable. Find out more in the What We Do section.
    Arch problems: Arch pain can be caused by foot that has no arch flat foot (pes planus) or a high arch (pes cavus). It is important that anyone with either of these foot types be evaluated to be sure there is no underlying problem that may give rise to more serious problems later in life. It is most important that any child with a flat or high arch foot be evaluated. Ninety percent of adult foot problems can be prevented if they are diagnosed in a child's foot.
    Bunion: An enlargement of the big toe joint. They can be mild, moderate, or severe. The most common cause is an abnormal motion of the foot called pronation (a turning in of the inside part of the arch area, which then tends to flatten out, this will "loosen the bones of the foot," and eventually in some people lead to a bunion deformity. They are hereditary, and can be prevented in some patients. It is very important that they be treated, if left untreated they will eventually interfere with the quality of life and will affect walking and standing, as well as back problems.

    12. Surgical Correction Of The Cavus Foot
    Frequently, patients are unaware of a cavus foot and may present for a manifestationof a hereditary sensory motor neuropathy (eg, CharcotMarie-Tooth disease
    http://ortho.hyperguides.com/Tutorials/foot_ankle/surgical_correction/tutorial.a
    window.location="http://www.ortho.hyperguides.com/";
    Surgical Correction of the Cavus Foot Mark S. Myerson, MD

    Introduction
    The evaluation of a patient with a cavus or cavovarus foot begins with reviewing the patient’s history. Frequently, patients are unaware of a cavus foot and may present for a manifestation of a hereditary sensory motor neuropathy (e.g., Charcot-Marie-Tooth disease). In the United States, hereditary sensory motor neuropathy is the most common cause of cavovarus foot deformity. Often, an identifiable cause or family history is unknown and the diagnosis is idiopathic cavus foot. The examination commences with an overall evaluation of the following:
    • Family history of high arches Any systemic illness Any feeling of muscle weakness or tripping A sense of ankle instability or giving way of the ankle Activities of daily living, particularly occupation and athletics Location of discomfort, pain, or symptoms located in the foot Types of treatment attempted (e.g., surgery, orthosis, or braces)

    13. Definitions Of Genetic Disorders-H.
    article/001387.htm. hereditary sensory motor neuropathy (CMT) http//www.stepstn.com/nord/rdb_sum/261.htm.Hereditary Spastic Paraplegia
    http://www.icomm.ca/geneinfo/def-h.htm
    The GAPS INDEX
    to Information on the Internet about Genetic Disorders and Birth Defects

    Genetic Information and Patient Services, Inc. (GAPS)
    HOME
    DISORDERS GLOSSARY
    Definitions of Genetic Disorders beginning with the letter H Click on the link next to the disorder to view its definition.
    H Disease hartnup.htm
    H. Gottron's Syndrome gottron.htm
    H. Gottron's Syndrome acroger.htm
    Habit Spasms
    HAE herang.htm
    Hageman Factor Deficiency hfd.htm Hageman factor hfd.htm Haim-Munk Syndrome cochin.htm Hajdu-Cheney Syndrome haj.htm Hajdu Cheney hdct.htm HAL Deficiency histid.htm Hall-Pallister Syndrome pallhall.htm Hallermann-Streiff-Francois syndrome hss.htm Hallermann-Streiff Syndrome hss.htm Hallervorden-Spatz Disease hallervor.htm Hallervorden-Spatz Syndrome hallervor.htm Hallopeau-Siemens Disease epidbullo.htm Hallux Duplication Postaxial Polydactyly and Absence of Corpus Callosum acrocall.htm Halushi-Behcet's Syndrome behcets.htm

    14. Untitled
    Fr.132.P. hereditary sensory motor neuropathy in a Floppy Infant. E.Artacho, (1);. 1) Hospital Verge del Toro, Mahón (menorca), Spain;.
    http://www.isprm.org/abstracts/amsterdam/page161.html
    Previous Next Author Index
    Page 161 Fr.131.P Application of a Chinese Designed Partial Body Weight Supporting System on gait training J. Li, (1); Y. Fan, (2); J. Fan, (2); 1) Nanjing Medcial University, Nanjing, China; 2) Qianjing Rehabilitation Equip, Changzhou, China; Partial body weight support (PBW) training is a new practice in gait training. This is to report application of a Chinese designed PBW in gait training in 30 non-ambulatory patients with lower limb paralysis (20 post-stroke and 10 spinal cord injury). All patients started on standing balance training and then walking training using the PBW device. Body weight lifting varied from 50% to 20% according to patient's response at different stage of training. The walking training was on a treadmill with gradually increased speed. All patients respond well to the device and resumed ambulatory without walking aides after 4 weeks training. The training duration to resume ambulatory was 20% shorter than our previous data. Therapist's work load also reduced significantly. No complications found during this period. Conclusion: The Chinese designed PBW device is applicable to the gait training for patients with lower limb paralysis.

    15. H
    Hereditary Angioedema; @ Hereditary DeafnessRetinitis Pigmentosa; @hereditary sensory motor neuropathy; @ Hereditary Sensory Neuropathy
    http://www.ad.com/Health/Conditions_and_Diseases/H/
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    16. ETenet - Library
    ....... leg muscles. It also known as hereditary sensory motor neuropathy,and peroneal muscular atrophy (PMA). (Back to Top).
    http://www.etenet.com/Apps/Library/Corporate.asp?ID=633

    17. 1Up Health > Health Links Directory > Conditions And Diseases: H
    Hereditary DeafnessRetinitis Pigmentosa (5) hereditary sensory motor neuropathy(5) Hereditary Sensory Neuropathy Type III (8) Hereditary Spastic Paraplegia (6
    http://www.1uphealth.com/links/conditions-and-diseases-h.html
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    18. Progressive Limb Weakness And Sensory Loss In A Young Woman [MJM 1999 5:85-89]
    From the clinical presentation, the differential diagnosis of the peripheral neuropathyincludes a form of hereditary sensory motor neuropathy (HMSN), a
    http://www.mjm.mcgill.ca/issues/v05n02/v05p085/v05p085main.htm
    ORIGINAL ARTICLE
    Progressive Limb Weakness and Sensory Loss in a Young Woman
    Hannah Glass , B.A., Myriam Srour , B.Sc., Giovanna Pari , M.D., F.R.C.P.(C.),
    George Karpati , M.D., F.R.C.P.(C.), and G. Jackson Snipes , M.D., Ph.D. E-mail: jsnipes@mni.lan.mcgill.ca Neuromuscular Research Group, Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University. INTRODUCTION THE CASE pes cavus (exaggeration of the arch of the foot) and hammer toes. Power testing revealed mild weakness in the distal upper extremities (intrinsic hand muscles 4/5 bilaterally) and in the proximal lower extremities (quadriceps and hamstrings 4/5 bilaterally), as well as significant weakness in the distal lower extremities (tibialis anterior 1/5 bilaterally). Tendon reflexes were normal except for the ankle jerks, which were absent bilaterally. The plantar response was inflexion. There was markedly impaired sense of vibration and joint position in the feet. There was a diminution of sensitivity to light touch in the legs to the inguinal area bilaterally. Superficial pain sensation was absent in a stocking distribution over the legs up to the level of the knees and over the hands up to the wrists bilaterally. The cerebellar examination was within normal limits. Figure 1 ). Myosin ATPase histochemistry showed that there was a moderate degree of grouping of both type I and type II myofibers (

    19. HSN
    hereditary sensory motor neuropathy with Ulceromutilation Dominant;sensory motor; hereditary sensory-motor neuropathy with
    http://www.neuro.wustl.edu/neuromuscular/time/hsn.htm

    Front
    Search Index Links ... Patient Info
    HSN Disorder Gene Chromosome Inheritance Clinical features I
    Dominant Small axon loss
    Acromutilation II Recessive III IKBKAP Recessive Riley-Day Syndrome
    IV
    TRKA/ NGF
    receptor Recessive Congenital sensory neuropathy
    with anhidrosis
    C-axon loss V Recessive Congenital absence of pain
    without anhidrosis
    A d -axon loss Biemond
    congenital
    anaesthesia Dominant Large fiber sensory loss Ataxic neuropathy Dominant Large fiber sensory loss Ataxia Hereditary sensory neuropathy with Hereditary Neuropathies with Ulcero-mutilation l desert hedgehog (DHH) ; Chromosome 12q12-q13.1; Sporadic (Recessive)

    20. Clinical Neurosciences - Hereditary Motor And Sensory Neuropathy
    hereditary motor sensory neuropathy (HMSN) Peroneal muscular atrophy; CharcotMarie-Tooth disease; Roussy-Levy syndrome; Dejerine-Sottas disease
    http://medweb.bham.ac.uk/http/depts/clin_neuro/teaching/tutorials/hmsn/hmsn.html
    Synonyms Peroneal muscular atrophy; Charcot-Marie-Tooth disease; Roussy-Levy syndrome; Dejerine-Sottas disease HMSN is the commonest cause of the peroneal muscular atrophy syndrome consisting of distal leg muscle wasting and weakness, usually with a pes cavus foot deformity.
    THE DIFFERENTIAL DIAGNOSIS OF PES CAVUS AND LOWER LEG WASTING INCLUDES:
  • HMSN
  • Old polio infection
  • Friederich's ataxia
  • Spina bifida
    CLINICAL FEATURES
    The characteristic clinical features include distal wasting of the lower limb muscles (the so-called 'inverted champagne bottle' appearance). The feet show pes cavus and clawing of the toes, with weakness of the feet extensors. The ankle jerks are absent and the plantar reflexes show no response (occasionally they can be extensor). Palpable nerve thickening is found in about 25% of cases and is specific for the demyelinating forms of HMSN. The patient may have a 'high stepping gait' due to bilateral foot drop. There may be wasting of the small muscles of the hand. In general, the presenting symptoms are due to difficulty walking or a foot deformity. The inheritance is usually autosomal dominant, but recessive forms also occur. The video clip (video not ready yet) shows some of these clinical features in 2 affected brothers.
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