Pathology A 3 year old female child presented with skin papules. Which of the following is a marker of Langerhan’s cell histiocytosis? A CD 1a B CD 3 C CD 68 D CD 57 💡 Explanation A 3 year old female child presented with skin papules. Which of the following is a marker of Langerhan's cell histiocytosis? ✓ Correct Answer: A. CD 1a