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Related Experiment Videos

Pathologic features of diabetic thick skin.

W Hanna, D Friesen, C Bombardier

    Journal of the American Academy of Dermatology
    |March 1, 1987
    PubMed
    Summary

    Diabetic thick skin, a condition resembling scleroderma, affects 22% of patients with insulin-dependent diabetes mellitus. This study investigated the skin changes in diabetic patients, revealing distinct collagen alterations compared to scleroderma.

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    Area of Science:

    • Dermatology
    • Endocrinology
    • Pathology

    Background:

    • Skin thickening mimicking scleroderma is observed in patients with insulin-dependent diabetes mellitus.
    • This condition, termed 'diabetic thick skin,' warrants further investigation into its underlying mechanisms.

    Purpose of the Study:

    • To compare the skin characteristics of patients with insulin-dependent diabetes mellitus and diabetic thick skin to those with progressive systemic sclerosis and healthy controls.
    • To elucidate the histological and ultrastructural differences in skin tissue.

    Main Methods:

    • Clinical examination of 89 insulin-dependent diabetes mellitus patients and 25 controls.
    • Full-thickness skin biopsies analyzed via hematoxylin and eosin staining, and electron microscopy.
    • Collagen fiber size analysis from biopsy specimens.

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    Main Results:

    • Increased dermal thickness observed in all diabetic patients.
    • Diabetic thick skin showed disorganized collagen bundles and capillary basement membrane thickening.
    • Collagen fiber analysis revealed a predominance of larger fibers in diabetic skin, differing from scleroderma.

    Conclusions:

    • Diabetic thick skin exhibits unique histological features distinct from scleroderma.
    • Capillary basement membrane thickening and altered collagen structure are key findings in diabetic skin changes.
    • Further research is needed to understand the pathogenesis and clinical implications of diabetic thick skin.