Key result
Hypohidrotic ectodermal dysplasia is the most common syndrome linked to oligodontia, driven by EDA and WNT10A mutations.
Why the study?
Recognition of combined dental and dermatological signs is important to identify potential risk of undiagnosed cardiac abnormalities such as cardiomyopathy in variant Carvajal syndrome.
Systematic Review (n=97)
HED predominates among oligodontia syndromes via EDA/WNT10A; extends genetic associations but leaves screening protocols open for prospective validation.
BACKGROUND: This paper aims to review the case of a girl who presented with a number of dental anomalies, in addition to unusual skin, nail and hair conditions. Tragically an undiagnosed cardiomyopathy caused unexpected sudden death. The case is discussed with reference to a number of dermatological and oral conditions which were considered as possible diagnoses. CASE REPORT: AW had been under long term dental care for prepubertal periodontitis, premature root resorption of primary teeth, soft tissue and dental anomalies, and angular cheilitis. Separately she had also been seen by several dermatologists with respect to palmar plantar keratosis, striae keratoderma, wiry hair and abnormal finger nails. Tragically the patient suffered a sudden unexpected death and the subsequent post mortem identified an undiagnosed dilated cardiomyopathy. CONCLUSION: The most likely diagnosis is that this case is a variant of Carvajal Syndrome with additional dental anomalies. To date we have been unable to identify mutations in the desoplakin gene. We aim to emphasise the importance of recognising these dental and dermatological signs when they present together as a potential risk factor for cardiac abnormalities.
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Barber et al. (2012) conducted a systematic review in Syndromic oligodontia (n=97). Syndromes associated with oligodontia was evaluated on Frequency and types of syndromes associated with oligodontia, pattern of missing teeth, and frequency of pathogenic variants. In a systematic review of 97 patients, hypohidrotic ectodermal dysplasia was the most frequent syndrome associated with oligodontia, primarily linked to EDA and WNT10A mutations.
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