Netherton syndrome is a rare autosomal recessive condition with variable expression. It comprises an ichthyosiform dermatitis and erythroderma of variable intensity associated with hair abnormalities and features of atopy. The pathognomic (required for diagnosis) feature is trichorrhexis invaginata identified by microscopic examination of hair shaft. Ichthyosis linearis circumflexa is ano...

MUCH has been written in recent years about the cause and origin of Pink Disease (Erythrodema Polyneuritica). It is only within the last twenty years that the condition has been recognised. It was thought to be a nutritional disorder due to lack of vitamin B, a variation of this being that it was due to lack of absorption of vitamin B. Later it was thought to be due to a virus and to have a sli...