Mesh : ADP-ribosyl Cyclase 1 / analysis Blood / parasitology Humans Immunohistochemistry Lethargy / complications etiology Lymphadenopathy / complications etiology pathology Male Membrane Glycoproteins / analysis Microscopy Middle Aged Polymerase Chain Reaction Skin / pathology Trypanosoma brucei gambiense / isolation & purification Trypanosomiasis, African / diagnosis parasitology pathology