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Fingerprint changes and verification failure among patients with hand dermatitis
Chew Kek Lee1, Choong Chor Chang, Asmah Johar
1School of Anti-aging, Aesthetics and Regenerative Medicine, UCSI University, 56000 Cheras, Kuala Lumpur, Malaysia. chewkek@hotmail.com
JAMA Dermatology
|May 18, 2013
Summary
Fingerprint verification failure is common in severe hand dermatitis, affecting 27% of patients. Key changes include fingerprint dystrophy and abnormal white lines, impacting biometric security.
Area of Science:
- Dermatology
- Biometrics
- Forensic Science
Background:
- Hand dermatitis is a common condition affecting the skin of the hands.
- Fingerprint verification is widely used for security and identification.
- The impact of hand dermatitis on fingerprint verification has not been well-established.
Purpose of the Study:
- To determine the prevalence of fingerprint verification failure in patients with hand dermatitis.
- To define and quantify fingerprint changes associated with verification failure.
Main Methods:
- A case-control study was conducted at a public dermatology center.
- 100 patients with hand dermatitis and 100 matched controls were included.
- Fingerprint verification success/failure and hand eczema severity were assessed.
Main Results:
- 27% of patients with hand dermatitis failed fingerprint verification, compared to 2% of controls.
- Fingerprint verification failure was associated with higher hand eczema severity scores.
- Fingerprint dystrophy and abnormal white lines were the primary abnormalities observed.
Conclusions:
- Fingerprint verification failure is a significant issue in patients with severe hand dermatitis.
- Fingerprint dystrophy and abnormal white lines are the main causes of failure.
- These findings highlight potential challenges for biometric systems in individuals with skin conditions.
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