It 's the term used to define the ulcers of the leg and ankle in tropical and subtropical countries, which can not actually be classified into categories known etiology (see for example phlebostatic ulcers, diabetic leprotiche, cutaneous leishmaniasis, tuberculosis skin ol'ulcera Buruli).
Most tropical ulcers spread below the knee. Often begin with minor trauma. Terms of malnutrition or a compromised immune status (eg HIV) may be predisposing factors.
Many times the performance and 'applicant with a tendency to start healing, but then followed' by frequent relapses. Other times they become chronic ulcers and stabilize (they do not become 'the worst it' best) simply never heal. Other times may be of a destructive pattern with invasion of deep tissue, osteomyelitis and amputation.
With the exception of Buruli ulcer, they are usually painful.
What characterizes and unifies the diverse group of lesions called tropical ulcers, and 'the fact that they tend to heal, and they do not know the causative agent. Has' spoken of Bacillus Fusiformis, anaerobes and spirochetes. But the more 'out superinfection with staphylococcus and streptococcus and' very common.
tropical ulcer, as well as being a disease of poverty 'and malnutrition, and' also a rural disease, often related to the fact that people walk barefoot and do not use socks.
I recently read a lot of work that would attribute to a tropical ulcers treponematosi not Venus, also known as Yaws. The causative agent is Treponema Pertenue, which unfortunately we can not see easily in our laboratory.
I still tried to put several patients with tropical ulcers that showed no tendency to healing in benzathine penicillin, following the regimen of syphilis, and I noticed sometimes in a few months of healing.
To all those who have had tropical ulcers healed then we recommend the use of elastic compression stockings during the day, for life.
Fr Beppe
Sources
Manson's Tropical Diseases. ELST
GV Gill, NJ Beeching. Lecture Notes on Tropical Medicine. Blackwell
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