This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acne and chemical peeling, Subject name: Dental
Which of the following is not a component of SAPHO syndrome? 
Select and explain. 
A. Synovitis, B. Acne, C. Hyperosteitis, D. Seborrhoea
D: Seborrhoea
Answer: D: Seborrhoea 
Explanation: SAPHO syndrome does not include seborrhea. SAPHO: S- Synovitis A- Acne P- Pustulosis H- Hyperostosis O- Osteitis On other hand , seborrhea is constituent of SAHA syndrome