Yaws is a non-venereal tropical infectious disease caused by the organism Treponema pertenue.[1] This organism is closely related to the. Yaws is an infectious tropical disease caused by the spirochete (spiral shaped) bacterium known as Treponema pertenue. The disease presents in three stages . Yaws is a tropical disease characterized by a primary cutaneous lesion, followed by a granulomatous skin eruption, and sometimes by late destructive lesions of.

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Capuano C, Ozaki M. Leptospira Leptospira interrogans Leptospirosis.

Rare Disease Database

Until recently, the only treatment for yaws was penicillin administered through injections. Clear Turn Off Turn On. It is often difficult, if not impossible, for the radiologist to differentiate between endemic syphilis and yaws. If it affected people with purchasing power, yaws, along with other neglected tropical rtopical, would have been already eradicated.

Secondary lesions can occur troplcal the presence of primary findings. During the secondary stage of yaws, the specific bony disease begins to manifest.

Yaws – Wikipedia

Yaws is an infectious tropical disease caused by the spirochete spiral shaped bacterium known as Treponema pertenue. Treponema pallidum infection in the wild baboons of East Africa: Following the cessation of this program yaws surveillance and treatment became a part of primary health systems of the frmbesia countries.

The disease is transmitted by skin-to-skin contact with an infective lesion, with the bacterium entering through a pre-existing cut, bite or scratch. One to 2 months after inoculation, up to 2 yearspatients develop disseminated papillomatous or ulcerative lesions with macular or hyperkeratotic palmoplantar involvement. It is caused by the topical bacteria Treponema carateum. Infectious diseases Bacterial diseases: The nonvenereal treponematoses can be subdivided according to the organism responsible: Review Yaws, a non-venereal treponemal infection.


Together we frambedia strong. The global prevalence of this disease and the other endemic treponematoses, bejel and pintawas reduced by the Global Control of Treponematoses TCP programme between and from about 50 to million cases to about 2. Dissemination of the organism through lymphatic or hematogenous spread is responsible trlpical the progression of the disease.

Examination of remains of Homo erectus from Kenyathat are about 1. At this stage, swollen glands swollen lymph nodes are not uncommon and the rash may develop a brown crust. These organisms reproduce every 30 hours and with corkscrew motility these move through connective tissue. The third, however, may involve tropixal changes to the bones in many parts of the body.

Combinations of serologic assays and nucleic acid amplification tests have been used as the primary mode of identification. Primary and secondary lesions heal spontaneously after 3 to 6 months with or without treatment, but when untreated a minority of patients develop the late-stage disease. All the treponemata are spirochetes and are morphologically, serologically, and in every other respect indistinguishable.

In India this happened on 19 September Bacteroides fragilis Tannerella forsythia Capnocytophaga canimorsus Porphyromonas gingivalis Prevotella intermedia. One, known as goundou syndrome, is characterized by inflammation and swelling of the tissues surrounding the nose paranasal swellingas well as overgrowth of the bones in the same region of the face hypertrophic osteitis.

Yaws is spread by direct contact with the fluid from a lesion of an infected person. Comparisons may be useful for a differential diagnosis:. Pimple-like bumps appear on the skin; they are small, reddish, and patchy. Buruli ulcer, leprosy, cutaneous leishmaniasistropical lymphedema and mycetoma.


They are separated into three species on the basis of animal infections.

Despite the success of eradication campaigns, there will for years be the challenge of the differential diagnosis, both of the active diseases and their end results. Treatment is normally by a single intramuscular injection of penicillin frambdsia, or tropidal a course of penicillin, erythromycin or tetracycline tablets.

This disease affects the nerves that are located outside the central nervous system peripheral nervesand the skin, mucous membranes, and eyes. Archived from the original on tropival February Show details Treasure Island FL: Bacterium-related cutaneous conditions Syphilis Infectious diseases with eradication efforts Neglected diseases Tropical diseases.

Dracunculiasis Eradication of dracunculiasis Poliomyelitis Eradication of poliomyelitis Malaria Eradication of malaria Yaws Eradication of yaws. Luke Maxfield ; Jonathan S. Koff AB, Rosen T. Nelson Textbook of Pediatrics. Journal of Tropical Medicine.

Tropical Medicine Central Resource

There are many features that distinguish it from Yaws: What does this mean? Yaws in the Western pacific region: In addition, only qualified personnel, who do not abound in yaws trooical areas, can administer the injections.

Evaluation Diagnosis is based on the combined clinical picture and serologic testing.