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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.
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Phrenoderma is repoedly caused due to deficiency of:
assistant
The correct answer is  Essential fatty acid deficiency may lead to Phrenoderma. It is characterized by rough and dry skin characterised by horny papular eruptions in the posterior and lateral aspects of limbs and back. Ref: Park, 21st Edition, Page 573.