Penelope McKelvie1, Francis Yixing Lai2, Amit Verma2, Ali Bazargan3. 1. a Department of Anatomical Pathology , St Vincent's Hospital Melbourne , Fitzroy , VIC , Australia. 2. b Department of Dermatology , St Vincent's Hospital Melbourne , Fitzroy , VIC , Australia. 3. c Department of Haematology , St Vincent's Hospital Melbourne , Fitzroy , VIC , Australia.