This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autoimmune skin disorders, Subject name: Dental
Keratoderma blennorrhagicum is seen in 
Select and explain. 
A. Reiter's syndrome, B. Disseminated gonococcal infection, C. Psoriasis, D. Syphilis
A: Reiter's syndrome
Answer: A: Reiter's syndrome 
Explanation: keratoderma blemorrhagicum-hyper keratotic pustular lesions on erythematous base involving palms and soles.crusted thick horny lesions with thick scales. Lesions are seen in reiters disease. Iadvl textbook of dermatology page 1848