This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Scabies and other infestations, Subject name: Dental
Vagabond disease is: 
Select and explain. 
A. Pediculosis corporis, B. Scabies, C. Eczema, D. Ringworm
A: Pediculosis corporis
Answer: A: Pediculosis corporis 
Explanation: Vagabond disease ( Pediculosis Corporis):in person affected by triad of: Inadequate food Low personal hygiene Heavy infestation of pediculi Usually show Addisonian pattern of pigmentation with involvement of mucous membrane. Exact pathogenesis of hyperpigementaion -not known but considered to be post inflammatory. Adrenal function is normal in most of the cases.