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14 Possible Causes for Decreased Number of Myelinated Fibers (Sural Nerve Biopsy), Emotional Lability

Did you mean: Decreased Number of Myelinated Fibers (Sural Nerve Biopsy, Emotional Lability

  • Acute Intermittent Porphyria

    Open nerve and muscle biopsies showed significantly decreased numbers of myelinated fibers in the sural nerve and atrophy of type I and II fibers in the quadriceps muscle,[doi.org] Sensory nerve conduction velocities were absent in ulnar, sural, and plantar nerves, while peroneal motor conduction velocity was decreased (24 m/s; normal, 40 m/s), compatible[doi.org]

  • Familial Dysautonomia

    During the ensuing months, familial dysautonomia was suggested by recurrent pulmonary infections, dysphagia, alacrima, hyperhydrosis, emotional lability, and unexplained episodes[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] Autonomic features include dysphagia, vomiting crises, blood pressure lability, and sudomotor dysfunction. Central dysfunction includes emotional lability and ataxia.[ncbi.nlm.nih.gov]

  • Channelopathy-Associated Congenital Insensitivity to Pain

    Also common are behavioral issues and emotional lability.[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] We can also find patients with hyperactivity and emotional lability.[flipper.diff.org]

  • Neuropathy

    Hyperactivity and emotional lability are common [ 1 , 3 , 12 , 56 ].[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[ncbi.nlm.nih.gov] Although the tendon reflexes are decreased or absent, there is no muscle atrophy or muscle weakness.[ncbi.nlm.nih.gov]

  • Autonomic Neuropathy

    Hyperactivity and emotional lability are common [ 1 , 3 , 12 , 56 ].[ojrd.biomedcentral.com] 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[ojrd.biomedcentral.com] Although the tendon reflexes are decreased or absent, there is no muscle atrophy or muscle weakness.[ojrd.biomedcentral.com]

  • Hereditary Sensory Neuropathy

    Intellectual disability of varying degree is observed in most affected individuals; hyperactivity and emotional lability are common.[en.wikipedia.org] 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] Hyperactivity and emotional lability are common. [1], [10], [12] Postural hypotension with compensatory tachycardia may be present, but not episodic hypertension, suggesting[ijpd.in]

  • Dysautonomia

    The features of familial dysautonomia include lack of tears, emotional lability, relative indifference to pain, increased sweating, cold hands and feet, red blotching of the[medicinenet.com] .: Sural nerve biopsy from a CMT1A case.[tankonyvtar.hu] lability, irritability, lack of concentration and memory, cognitive deterioration, depression signs and sleep disorders.[doi.org]

  • Autosomal Dominant Hereditary Sensory and Autonomic Neuropathy

    Hyperactivity and emotional lability are common. [1], [10], [12] Postural hypotension with compensatory tachycardia may be present, but not episodic hypertension, suggesting[ijpd.in] 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] Intellectual disability of varying degree is observed in most affected individuals; hyperactivity and emotional lability are common.[en.wikipedia.org]

  • Congenital Autosomal Dominant Indifference to Pain

    Hyperactivity and emotional lability are common. Medical management is supportive.[ijpd.in] 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] We can also find patients with hyperactivity and emotional lability.[flipper.diff.org]

  • Hereditary Sensory Neuropathy Type 1F

    Intellectual disability of varying degree is observed in most affected individuals; hyperactivity and emotional lability are common.[en.wikipedia.org] 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]

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