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Atypical dyskeratosis congenita
S S Krishnan1, P D Yesudian, M Jayaraman
1Department of Dermatology, Madras Medical College and Government General Hospital, Madras, India.
Dyskeratosis congenita is a rare genetic disorder. This case study highlights an unusual presentation with normal nails, a feature rarely seen in this syndrome.
Area of Science:
- Genetics
- Dermatology
- Rare Diseases
Background:
- Dyskeratosis congenita (DC) is a rare inherited bone marrow failure syndrome.
- Characteristic features include mucocutaneous abnormalities and predisposition to cancer.
- Typical mucocutaneous signs are skin atrophy/pigmentation, nail dystrophy, and oral leukoplakia.
Purpose of the Study:
- To report an atypical case of Dyskeratosis congenita.
- To highlight a rare variant of DC with normal nail findings.
- To discuss the diagnostic challenges and implications of this presentation.
Main Methods:
- Case report and clinical review.
- Detailed patient history and physical examination.
- Review of relevant literature on Dyskeratosis congenita variants.
Main Results:
- The patient presented with skin atrophy, skin pigmentation, oral leukoplakia, and esophageal stricture.
- Notably, the patient exhibited normal finger and toe nails.
- This presentation deviates from the classic nail dystrophy associated with DC.
Conclusions:
- Dyskeratosis congenita can present with significant variations.
- Nail sparing is an extremely uncommon but possible manifestation of DC.
- Recognition of atypical presentations is crucial for accurate diagnosis and management.
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