SAPHO syndrome components are all except?

Ans. is 'd' i.e., Acantholysis SAPHO Syndrome SAPHO syndrome is manifested by synovitis, acne, pustulosis, hyperostosis, and osteitis. It is predominantly associated with hyperostosis of the anterior chest, palmoplantarpustulosis, hidradenitissuppurativa, and acne fulminans. Its etiology is unknown. Repoed successful treatments for SAPHO syndrome are NSAIDS, sulfasalazine, and infliximab.The bisphosphonates are beneficial for treating the associated bone pain.