A 40-year-old lady with good past health complained of recurrent rashes
over her left forearm
Dr. Adrian KC Cheng
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Clinical history:
A 40-year-old lady with good past health complained of recurrent rashes over her left forearm. She is an active golf-player. The rashes appeared each time after she applied a heat pad for 45 minutes to her left forearm to relieve her pain and tenderness from playing golf. The rashes were not itchy or painful. The erythema resolved in one week. She had unremarkable dermatological history and no history of autoimmune diseases. She is not on any medication.
What is the diagnosis?
| A. | Livedo reticularis |
| B. | Cutaneous larva migrans |
| C. | Erythema ab igne |
| D. | Cutaneous vasculitis |
| E. | Phytophotodermatitis |
The slide and the question were prepared by:
Dr. Adrian KC Cheng, MBBS(HK), MRCP(UK), MSc GEOR (CUHK), FHKCP, FHKAM (Medicine)
Specialist in Dermatology & Venereology;
Associate Consultant,