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