Despite being recognised and reported in the literature for decades, subungual melanoma of the foot remains a diagnostic pitfall, with it commonly being mistaken for benign conditions. We present an interesting case of delayed diagnosis of subungual melanoma of the hallux that was misdiagnosed in the community for over one year. With melanoma being the fourth most commonly diagnosed cancer in Australia in 2013, this case serves as a reminder to all clinicians about the importance of maintaining a high index of suspicion for melanoma of the foot.
Stevens - Johnson syndrome (SJS) and TEN are two rare self-limited but serious cutaneous drug reactions with significant morbidity and mortality. The current treatment of TENS/SJS is divided into early management and symptom control. The immediate cessation of the culprit drug is quintessential. There is vast documented evidence of carbamazepine- induced SJS/TEN in patients of Asian ethnicity due to the presence of the HLA allele B*1502. HLA-B*1502 screening should be performed when using aromatic anticonvulsants such as carbamazepine in high-risk patients.
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