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18 Possible Causes for Decreased Number of Myelinated Fibers (Sural Nerve Biopsy), Failure to Thrive

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  • Channelopathy-Associated Congenital Insensitivity to Pain

    If not treated, poor outcomes such as failure to thrive are likely.[symptoma.com] Pathologically, HSAN II demonstrates a virtual absence of myelinated fibers and a decreased number of unmyelinated fibers in sural nerve biopsies ( table 1 ).[anesthesiology.pubs.asahq.org] […] to thrive, and recurrent episodes of fever secondary to anhidrosis. [2] A 7-year-old female child was posted for closed reduction of recurrent hip dislocation.[pediatricneurosciences.com]

  • Familial Dysautonomia

    The typical clinical features consist of somatic abnormalities: failure to thrive, characteristic facies, excessive sweating, labile blood pressure, recurrent aspiration pneumonias[ncbi.nlm.nih.gov] Pathology Sural nerve biopsy reveals a marked reduction in nerve size and depletion of large and small myelinated fibers but only a slightly decreased number of unmyelinated[doi.org] Mapped to human chromosome 9q31-q33. familial dysautonomia familial dysautonomia An autosomal recessive disorder (OMIM:223900) characterised by failure to thrive and progressive[medical-dictionary.thefreedictionary.com]

  • Dysautonomia

    Usually they are considered as “failure to thrive” based on where they fall in the growth percentiles. Emotional instability is sometimes noted.[dermatologyadvisor.com] .: Sural nerve biopsy from a CMT1A case.[tankonyvtar.hu] Diarrhea and failure to thrive are sometimes related to malabsorption. Irritable Bowel Syndrome (IBS) is a common problem among the general population.[mitoaction.org]

  • Autosomal Dominant Hereditary Sensory and Autonomic Neuropathy

    These patients typically present in infancy with a profound dysautonomia (poor feeding with repeated vomiting, failure to thrive, temperature and vasomotor dysregulation associated[anesthesiology.pubs.asahq.org] Mapped to human chromosome 9q31-q33. familial dysautonomia familial dysautonomia An autosomal recessive disorder (OMIM:223900) characterised by failure to thrive and progressive[medical-dictionary.thefreedictionary.com] .: Sural nerve biopsy from a CMT1A case.[tankonyvtar.hu]

  • Hereditary Sensory Neuropathy

    This ulceration of the tongue can lead to bleeding and infection of the tongue, and halitosis, as well as systemic problems such as poor weight gain and failure to thrive.[ncbi.nlm.nih.gov] Pathology Sural nerve biopsy reveals a marked reduction in nerve size and depletion of large and small myelinated fibers but only a slightly decreased number of unmyelinated[doi.org] Although the tendon reflexes are decreased or absent, there is no muscle atrophy or muscle weakness.[doi.org]

  • Xeroderma Pigmentosum

    Two possible exceptions were failure to thrive and sex: 10/10 XP-D patients had failure to thrive, compared to 10/12 XP-G patients.[ojrd.biomedcentral.com] (D) Representative image of sural nerve biopsy (embedded in Epon and stained with toluidine blue) from patient 1 demonstrating a decrease in the number of myelinated fibers[ng.neurology.org] A check of the author’s CS data (CS-A and CS-B groups) showed that 94% of 44 patients had failure to thrive.[ojrd.biomedcentral.com]

  • Combined Oxidative Phosphorylation Deficiency Type 3

    It is characterized by sparse, kinky hair; failure to thrive; and progressive deterioration of the nervous system.[checkrare.com] The 2 sural nerve biopsies showed markedly reduced numbers of myelinated fibers accompanied by numerous small myelinated fiber clusters, suggesting regeneration.[ng.neurology.org] Symptoms: Encephalomyopathy and various manifestations, including failure to thrive, developmental delay, hyoptonia, lethargy, respiratory failure, ataxia, myoclonus.[umdf.org]

  • Combined Oxidative Phosphorylation Deficiency 15

    […] to thrive, central nervous system dysfunction (ataxia, seizure, dementia), and cardiac, renal, and hepatic disorders.[anesthesiology.pubs.asahq.org] The 2 sural nerve biopsies showed markedly reduced numbers of myelinated fibers accompanied by numerous small myelinated fiber clusters, suggesting regeneration.[ng.neurology.org] Smeitink Original Paper First Online: 07 September 2006 313 Downloads 37 Citations Abstract Failure to thrive, feeding difficulties, variable forms of infantile epilepsy or[link.springer.com]

  • Spastic Paraplegia - Optic Atrophy - Neuropathy

    It is characterized by sparse, kinky hair; failure to thrive; and progressive deterioration of the nervous system.[checkrare.com] The 2 sural nerve biopsies showed markedly reduced numbers of myelinated fibers accompanied by numerous small myelinated fiber clusters, suggesting regeneration.[ng.neurology.org] […] to thrive, immunocompetence, family history, and trend toward worsening or improvement.[aetna.com]

  • Autosomal Recessive Optic Atrophy Type 7

    […] to thrive, hydrocephalus, seizures (tetany), hepato-splenomegaly, bone marrow insufficiency, pancytopenia, anemia.[iofbonehealth.org] The 2 sural nerve biopsies showed markedly reduced numbers of myelinated fibers accompanied by numerous small myelinated fiber clusters, suggesting regeneration.[ng.neurology.org] This case was diagnosed as malignant variety of osteopetrosis with failure to thrive with primary optic atrophy.[djo.org.in]

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