This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Ollendroff sign is seen in – 
Select and explain. 
A. Primary syphilis, B. Secondary syphilis, C. Latent syphilis, D. Neurosyphilis
B: Secondary syphilis
Answer: B: Secondary syphilis 
Explanation: There is deep dermal tenderness on application of pressure in secondary syphilis. This is known as an Ollendorff sign or Buschke ollendroff sign.