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Incipient osteomalacia occurring in chronic actinic dermatitis
1St John's Institue of Dermatology, London, UK. roby@rakhit.freeserve.co.uk
Clinical and Experimental Dermatology
|September 30, 2000
Summary
Strictly avoiding sunlight for chronic actinic dermatitis led to vitamin D deficiency osteomalacia in a UK-based Pakistani patient. Symptoms resolved with vitamin D therapy, highlighting risks in specific populations.
Area of Science:
- Dermatology
- Endocrinology
- Nutritional Science
Background:
- Chronic actinic dermatitis necessitates strict sunlight avoidance for management.
- Certain dietary components, like phytates in chappattis, can impede calcium absorption.
- Individual risk factors such as skin type and dietary habits play a role in developing deficiencies.
Observation:
- A Pakistani patient in the UK developed incipient osteomalacia.
- The condition arose secondary to rigorous sun avoidance for photosensitive dermatitis.
- Risk factors included fair skin type and a diet rich in phytates.
Findings:
- The patient presented with proximal muscle weakness and bony tenderness.
- These symptoms were indicative of osteomalacia, a bone-softening disease.
- Biochemical and clinical improvements were observed following vitamin D replacement therapy.
Implications:
- This case underscores the potential for vitamin D deficiency in individuals practicing strict sun avoidance.
- Dietary factors can exacerbate the risk of osteomalacia in susceptible populations.
- Effective management requires balancing dermatological treatment with nutritional and metabolic health considerations.
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