Pityriasis rosea is a skin disease characterized by sharply defined pruritic red patches covered by fine scales mostly affecting young adults. Typical lesions usually affect the trunk in a Christmas-tree pattern and it usually resolves spontaneously after 6 weeks. This patient reported with classic presentation of pityriasis rosea except for the unusual associated palmar lesions. A VDRL test was suggested but the patient refused.

Progressive Palmo Plantar Keratoderma of Greither

Today an old patient of mine came with his brother who had severe palmo plantar keratoderma since childhood which worsened after coming to Gulf. The most striking feature was the transgrediens. They said several members of their family have this problem. With my broken Hindi, I managed to elicit sufficient history to draw a crude pedigree chart. Based on the livid transgrediens, I came to a diagnosis of Progressive PPK (Greither disease or PPK of Sybert). I started him on 50% urea and 0.05% tretinoin. Before leaving my old patient (A in the chart) asked me about the chances of this condition developing in his children. What is your answer?