Nonvenereal endemic syphilis
|Nonvenereal endemic syphilis|
|Classification and external resources|
Bejel is also known by a variety of other names, including belesh, dichuchwa, endemic syphilis, nonvenereal syphilis, frenga, njovera, skerljevo, siti, or treponematosis-bejel type.
Bejel usually begins in childhood as a small mucous patch, often on the interior of the mouth, followed by the appearance of raised, eroding lesions on the limbs and trunk. Periostitis (inflammation) of the leg bones is commonly seen, and gummas of the nose and soft palate develop in later stages.
Although the organism that causes bejel, Treponema pallidum endemicum, is morphologically and serologically indistinguishable from Treponema pallidum pallidum, which causes venereal syphilis, transmission of bejel is not venereal in nature, generally resulting from mouth-to-mouth contact or sharing of domestic utensils, and the courses of the two diseases are somewhat different.
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Bejel is mainly found in arid countries of the eastern Mediterranean region and in West Africa, where it is known as sahel. (Sahel disease, which should be distinguished from "Sahel", the geographical band between the Northern Sahara and Southern Sudan.)
- Medical Microbiology 6th edition, by Patrick R. Murray, Ken S. Rosenthal, Michael A. Pfaller
- Antal GM, Lukehart SA, Meheus AZ (January 2002). "The endemic treponematoses". Microbes Infect. 4 (1): 83–94. PMID 11825779. doi:10.1016/S1286-4579(01)01513-1.
- Pace JL, Csonka GW (October 1984). "Endemic non-venereal syphilis (bejel) in Saudi Arabia". Br J Vener Dis. 60 (5): 293–7. PMC . PMID 6487985. doi:10.1136/sti.60.5.293.