Skin A 30 years old male presented with silvery scales on elbow and knee, that bleed on removal. The probable diagnosis is: A Pityriasis B Seborrhoeic dermatitis C Psoriasis D Secondary syphilis 💡 Explanation A 30 years old male presented with silvery scales on elbow and knee, that bleed on removal. The probable diagnosis is: ✓ Correct Answer: C. Psoriasis