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Skin diseases in the tropics, image, image, image, image, image, image,…
Skin diseases in the tropics
Yellow Fever
Pathogen
Yellow fever virus
family
Flaviviridae
Vector
Aedes aegypti
Clinic manifestations
Period of infection
Generalized malaise, headache, photophobia, lumbosacral pain, pain in the lower extremities, myalgia, anorexia, nausea, vomiting, restlessness, irritability, and dizziness
Period of remission
Abatement of fever and symptoms
Period of intoxication (severe yellow fever)
Variable dysfunction of multiple organs including the liver, kidneys, and cardiovascular system
Cutaneous Leishmaniasis
Pathogen
protozoos
Leishmania
Vector
sand fly
Clinic manifestations
Localized cutaneous leishmaniasis
Pink-colored papule that enlarges and develops into a nodule or plaque-like lesion (often with central softening), leading to a painless ulceration with an indurated border
Diffuse cutaneous leishmaniasis
Localized lesion that does not ulcerate
Soft nodules or plaques form on the face and extensor limb surfaces, but the entire body may be involved.
Dengue
Vector
Aedes aegypti
or
Aedes albopictus
mosquitoes
Pathogen
Dengue viruses (DENV)
Flavivirus
DENV 1
DENV 2
DENV 3
DENV 4
Clinic manifestations
Headache
Retro-orbital or ocular pain
Myalgia and/or bone pain
Arthralgia
Rash
Hemorrhagic manifestations
Leukopenia
Referencias: Jones, T. C., Johnson, W. D., Jr, Barretto, A. C., Lago, E., Badaro, R., Cerf, B., Reed, S. G., Netto, E. M., Tada, M. S., & Franca, T. F. (1987). Epidemiology of American cutaneous leishmaniasis due to Leishmania braziliensis braziliensis. The Journal of infectious diseases, 156(1), 73–83.
https://doi.org/10.1093/infdis/156.1.73
. Monath, T. P., & Barrett, A. D. (2003). Pathogenesis and pathophysiology of yellow fever. Advances in virus research, 60, 343–395.
https://doi.org/10.1016/s0065-3527(03)60009-6
. Simmons, C. P., Farrar, J. J., Nguyen, v. V., & Wills, B. (2012). Dengue. The New England journal of medicine, 366(15), 1423–1432.
https://doi.org/10.1056/NEJMra1110265
