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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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The pathognomonic feature of classic alpo syndrome is:
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The correct answer is  The diagnosis of classic alpo syndrome is based on X-linked inheritance of hematuria, sensorineural hearing loss, and lenticonus. The lenticonus together with hematuria is pathognomonic of classic Alpo syndrome. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Pages 3213-14