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: Medicine
Keratoderma-Blenorrhagicum is pathogno-monic of 
Select and explain. 
A. Behcet's disease, B. Reiter's disease, C. Lyme's disease, D. Glucagonoma
B: Reiter's disease
Answer: B: Reiter's disease 
Explanation: Ans. is 'b' i.e., Reiter's disease Keratoderma Blenorrhagica is the characteristic skin lesion seen in patients with Reactive Ahritis. "The Characteristic skin lesions in Reactive Ahritis, Keratoderma Blenorrhagica, consist of vesicles that become hyperkeratotic, ultimately forming a crust before disappearing. These are seen in palms and soles.