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Association of Acanthosis Nigricans and Acrochordon with Insulin Resistance: A Cross-Sectional Hospital-Based Study
Satyendra K Singh1, Neeraj K Agrawal2, Ajay K Vishwakarma1
1Department of Dermatology and Venereology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
Background:
Insulin resistance (IR) is a pre-diabetic condition and has been reported in patients with acanthosis nigricans (AN) and acrochordon. AN and acrochordon are claimed to be cutaneous markers of IR.
Aim:
The purpose of this paper was to study the association of AN and acrochordon with IR.
Methods:
It was a cross-sectional hospital-based study. Both groups were assessed for IR by using homeostatic model assessment of insulin resistance (HOMA-IR) formula.
Results:
A total of 70 cases and an equal number of controls were studied. IR was observed more in cases (41.4%) compared to controls (17.1%) (P < 0.01). Mean HOMA-IR value was also significantly higher in cases (4.32 ± 4.44) compared to controls (2.27 ± 0.90) (P < 0.05).
Limitations:
Low number of cases and controls were taken in the study. Association with hyperlipidemia and metabolic syndrome was not elicited.
Conclusions:
AN and acrochordons were found to be associated with IR.
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