A case report of venous ulcer mimicking cutaneous leishmaniasisAlaa Tajeldeen Habeeb Abdallah1, Emmanuel Edwar Siddig2*, Jean Claude Semuto Ngabonziza3,4, Claude Mambo Muvunyi5, Ayman Ahmed5,61 Rufa’a Teaching Hospital2 Faculty of Medical Laboratory sciences, University of Khartoum, Khartoum, Sudan3 Department of Clinical Biology, University of Rwanda, Kigali P.O. Box 3900, Rwanda4 Research, Innovation and Data Science Division, Rwanda Biomedical Centre, Kigali P.O. Box 7162, Rwanda5 Rwanda Biomedical Centre, Kigali P.O. Box 7162, Rwanda6 Institute of Endemic Diseases, University of Khartoum, Khartoum 11111, Sudan