Annals Academy of Medicine A 14-year-old, otherwise healthy boy presented with a skin nodule for the past 3 years which slowly lifted up the right fourth fi ngernail. The lesion was tender to palpation. He denied any previous trauma and there was no family history of similar lesions. Physical examination revealed a fi rm, fl esh-coloured, tender, hyperkeratotic nodule, protruding distally on th...

A case of periodic hypersomnia in an 11-year-old female with the unique features of mental deficiency, incontinentia pigmenti, acanthosis nigricans and hereditary multiple exostosis (diaphysial aclasis) is reported. The clinical, polysomnographic and Multiple Sleep Latency test features of this case with a follow up of seven years are consistent with a diagnosis of periodic (intermittent) exces...