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The association between Solar Lentigines and Type-2 Diabetes.

Bobak Moazzami1,2, Niloofar Razavi1, Mansour Babaei2

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Summary

Diabetes mellitus (DM) is linked to a higher occurrence of solar lentigo (SL), a common skin condition. This study suggests DM is an independent risk factor for SL development.

Keywords:
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Area of Science:

  • Dermatology
  • Endocrinology
  • Epidemiology

Background:

  • Limited research exists on the association between diabetes mellitus (DM) and solar lentigo (SL).
  • Solar lentigo (SL) are benign, hyperpigmented macules common in the skin.
  • Understanding this link may offer insights into aging and chronic disease markers.

Purpose of the Study:

  • To investigate the association between diabetes mellitus (DM) and the presence of solar lentigo (SL).
  • To determine if DM is an independent risk factor for SL development.
  • To explore potential gender differences in the DM-SL association.

Main Methods:

  • A case-control study involving 90 patients with DM and matched controls.
  • Data collected included demographics, DM history, sun exposure, and skin lesion presence.
  • Statistical analysis was performed to assess the association between DM and SL.

Main Results:

  • Solar lentigo (SL) prevalence was significantly higher in patients with DM (61.9%) compared to controls (33.6%).
  • Diabetes mellitus (DM) was independently associated with the presence of SL, even after adjusting for age, sex, and sun exposure (p=0.002).
  • A significant association was found between DM and SL in female patients (p=0.03), but not in males (p=0.06).

Conclusions:

  • Diabetes mellitus (DM) is an independent risk factor for the development of solar lentigo (SL).
  • The findings suggest a novel link between DM, a state of chronic oxidation, and SL, potentially an early aging sign.
  • Further research may elucidate the mechanisms underlying this association.