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Related Experiment Video

Updated: May 26, 2026

Toluidine Blue Staining of Resin-Embedded Sections for Evaluation of Peripheral Nerve Morphology
08:17

Toluidine Blue Staining of Resin-Embedded Sections for Evaluation of Peripheral Nerve Morphology

Published on: July 3, 2018

Processing of nerve biopsies: a practical guide for neuropathologists.

Joachim Weis1, Sebastian Brandner, Martin Lammens

  • 1Institute of Neuropathology, Medical Faculty, RWTH Aachen University, Aachen, Germany.

Clinical Neuropathology
|December 24, 2011
PubMed
Summary

Nerve biopsy aids diagnosing peripheral neuropathies when other tests fail. This procedure, though invasive, provides crucial diagnostic information for interstitial pathologies and inflammatory or hereditary neuropathies.

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Area of Science:

  • Neurology
  • Pathology

Background:

  • Peripheral neuropathies encompass a range of disorders affecting the peripheral nervous system.
  • Accurate diagnosis is essential for effective patient management and treatment strategies.

Purpose of the Study:

  • To outline the diagnostic utility and methodology of nerve biopsy in peripheral neuropathies.
  • To detail the indications, limitations, and optimal neuropathological work-up for nerve biopsies.

Main Methods:

  • Nerve biopsy involves surgical removal of nerve tissue for detailed histopathological examination.
  • Standard techniques include paraffin and resin semithin histology with immunohistochemistry.
  • Ancillary methods may involve cryostat sections, teased fiber analysis, electron microscopy, and molecular genetics.

More Related Videos

Tissue Preparation and Immunostaining of Mouse Sensory Nerve Fibers Innervating Skin and Limb Bones
10:25

Tissue Preparation and Immunostaining of Mouse Sensory Nerve Fibers Innervating Skin and Limb Bones

Published on: January 26, 2012

Targeting Alpha Synuclein Aggregates in Cutaneous Peripheral Nerve Fibers by Free-floating Immunofluorescence Assay
08:33

Targeting Alpha Synuclein Aggregates in Cutaneous Peripheral Nerve Fibers by Free-floating Immunofluorescence Assay

Published on: June 25, 2019

Related Experiment Videos

Last Updated: May 26, 2026

Toluidine Blue Staining of Resin-Embedded Sections for Evaluation of Peripheral Nerve Morphology
08:17

Toluidine Blue Staining of Resin-Embedded Sections for Evaluation of Peripheral Nerve Morphology

Published on: July 3, 2018

Tissue Preparation and Immunostaining of Mouse Sensory Nerve Fibers Innervating Skin and Limb Bones
10:25

Tissue Preparation and Immunostaining of Mouse Sensory Nerve Fibers Innervating Skin and Limb Bones

Published on: January 26, 2012

Targeting Alpha Synuclein Aggregates in Cutaneous Peripheral Nerve Fibers by Free-floating Immunofluorescence Assay
08:33

Targeting Alpha Synuclein Aggregates in Cutaneous Peripheral Nerve Fibers by Free-floating Immunofluorescence Assay

Published on: June 25, 2019

Main Results:

  • Nerve biopsy is indicated for suspected interstitial pathologies (e.g., vasculitis, amyloidosis), atypical inflammatory neuropathies, and undiagnosed hereditary neuropathies.
  • The procedure carries risks, including sensory deficit and potential chronic pain, necessitating its use when other diagnostic methods are inconclusive.
  • Comprehensive neuropathological analysis by experienced professionals yields critical data for clinical decision-making.

Conclusions:

  • Nerve biopsy remains a valuable, albeit invasive, diagnostic tool for complex peripheral neuropathies.
  • Careful patient selection and meticulous neuropathological assessment are paramount for maximizing diagnostic yield and clinical relevance.
  • Despite its limitations, nerve biopsy provides indispensable information when other diagnostic avenues are exhausted.