This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Otosclerosis, Subject name: ENT
Schwartz sign is seen in -(PGI 98) 
Select and explain. 
A. Otosclerosis, B. Meniere's disease, C. ASOM, D. CSOM
A: Otosclerosis
Answer: A: Otosclerosis 
Explanation: (A) Schwartz sign also known as Flemingo's pink sign, is a diagnostic indicator for otosclerosis, a disease of the bones of the middle or inner ear. In clinical examination of the ear drum, increased vascularity of the promontory may be seen through the ear drum.