Miasis importada: Siete casos de parasitación cutánea por larvas de la mosca Dermatobia hominis

• Hugo Schenone F ^[1] ; Werner Apt B ; Rodrigo Vélez F ; Santiago Bustamante H ; Cecilia Sepúlveda C ; Gustavo Montaldo L ; Elba Salinas C
  1. [1] Universidad de Chile

     Universidad de Chile

     Santiago, Chile

     
• Localización: Revista Médica de Chile, ISSN-e 0034-9887, Vol. 129, Nº. 7, 2001, págs. 786-788
• Idioma: español
• Títulos paralelos:
  • Imported myasis: seven cases of cutaneous parasitism caused by Dermatobia hominis
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• Resumen

  • Myasis is the parasitism of organs and tissues of warm-blooded vertebrates by flies larvae. D hominis is a flie geographically restricted to tropical America from Mexico to northern Argentina. The adult flie, which is not hematophagous, needs to put its eggs on the abdominal surface of hematophagous arthropods which serve as carriers of future larvae which are deposited on the skin of the hosts (mammals, birds and accidentally men) when biting. Seven patients (two females) aged 7 to 35 years old, of different nationalities, recalled receiving mosquito bites, after staying in tropical American areas in the previous forty days. They presented furuncle-like lesions in exposed surfaces of the body. These lesions, 2-3 cm long, pruritic and mildly tender, broke and released a serous or serohematic fluid. Through the resulting opening, it was possible to partially observe the larva. Larvae were extracted by manual pressure (4) or surgical incision (3) and identified as D hominis larvae. Diagnosis of dermatobiasis, an imported myasis, must be based on the characteristics of lesions and the previous residence in endemic areas of America (Rev Méd Chile 2001; 129: 786-8)