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[Morphology of diabetic neuropathy]
Zentralblatt Fur Allgemeine Pathologie U. Pathologische Anatomie
|January 1, 1987
Summary
Diabetic neuropathy, a common complication of diabetes, involves various nerve changes due to chronic hyperglycemia. This review details morphological findings, aiding in diagnosing peripheral nervous system disorders.
Area of Science:
- Neurology
- Pathology
- Endocrinology
Context:
- Diabetes mellitus is a leading cause of neuropathy.
- Diabetic neuropathy presents as a spectrum of clinical and morphological changes.
- Chronic hyperglycemia underlies the metabolic derangements causing nerve damage.
Purpose:
- To review the morphological findings in peripheral nerves of diabetic subjects.
- To describe the pathological characteristics of various diabetic neuropathies.
- To provide a synopsis of current knowledge for diagnostic purposes.
Summary:
- Distal symmetrical neuropathies, the most common form, exhibit axonal degeneration, segmental demyelination, nerve fiber loss, and fibrosis, with evidence of remyelination and axonal sprouting.
- Microvascular alterations include thickened, hyalinized vessel walls with reduplication of the basal lamina observed via electron microscopy.
- Morphological bases of proximal motor neuropathy and focal/multifocal neuropathies are also discussed.
Impact:
- Enhances understanding of the pathological mechanisms in diabetic neuropathy.
- Facilitates differential diagnosis of peripheral nervous system disorders.
- Provides a foundation for future research into targeted therapies for diabetic nerve complications.