This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infectious disease, Subject name: Pediatrics
[{'content': 'Thrombocytopenia, macerated skin lesions, rash and periostitis in a new born are seen in \nSelect and explain. \nA. Erythroblastosis fetalis, B. Cytomegalovirils infection, C. Syphilis, D. HIV infection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In Syphilis, thrombocytopenia is often associated with platelet trapping in an enlarged spleen. Characteristic osteochondritis and periostitis and a mucocutaneous rash manifesting with erythematous maculopapular or vesiculobullous lesions followed by desquamation involving hands and feet are common. Reference : Nelson textbook of pediatrics 19th edition Page 1017 & 1018', 'role': 'assistant'}]