system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Ichthysis is caused by:
assistant
The correct answer is  B. i.e. Refsum's disease Icthyosis is seen in Hypothyroidism, AIDS, Refsum disease and LymphomaQ. (Mn-"HARLY i.e. name of motor cycle Harly Davidson).