Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
Desert ulcer, Tropical ulcer, Tropical phagedena.
Special form of Ecthymata.
A disease that is particularly prevalent in the tropics.
- Intrusion of pathogens through small skin lesions
- Pathogens: Streptococci and staphylococci, gram-negative bacteria or Plaut Vincent organisms. Often secondary colonisation with fusospirillosis
- Predisposing factors: malnutrition, especially with protein deficiency
- Immune suppression
- Blood-filled bullae result from skin lesions, often after minor injuries. After incision, a necrotic base is visible, which often extends to the subcutaneous tissue, sometimes even deeper to the facia or the muscles and periosteum.
- In addition, extremely pronounced scarring with dermatogenous contractures requiring amputations have been described in the healing process.
- Bact. smear
V.a. distal lower legs.
- Early antibiotic therapy is essential
- Recurrences are possible
- Adriaans B, Hay R, Drasar B , Robinson D. The infectious aetiology of tropical ulcer—a study of the role of anaerobic bacteria. Br J Dermatol 1987;116:31-7.
- MacDonald P. Tropical ulcers: a condition still hidden from the Western world. Journal of Wound Care 2003;12:85-90.
- Meyers WM , Portaels F. Mycobacterium ulcerans Infection (Buruli Ulcer). Tropical Infectious Diseases: Elsevier BV; 2006. p. 428-35.
- Na. Protozoa in a Case of Tropical Ulcer (Delhi Sore). The American Journal of the Medical Sciences 1904;127:938.