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
Winter bottom's sign is typically seen in 
Select and explain. 
A. Muconium peritonitis, B. Kala Azar, C. American trypanosomiasis, D. African trypanosomiasis
D: African trypanosomiasis
Answer: D: African trypanosomiasis 
Explanation: None