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Verruga peruana: an infectious endemic angiomatosis
H Cáceres-Ríos1, J Rodríguez-Tafur, F Bravo-Puccio
1Servicio de Dermatología, Instituto Nacional del Niño, Lima, Perú.
Abstract:
Microbial-related dysplastic and neoplastic angiomatous proliferative processes are seen with increased frequency, particularly in the acquired immunodeficiency syndrome (AIDS). The microbial-encoded or -induced mediators of angiopathogenesis in AIDS-associated Kaposi's sarcoma and bacillary angiomatosis are actively being sought. The present review addresses the historical, epidemiologic, clinical, etio- and histopathogenic aspects of the verruga peruana (VP). VP is a disease thus far endemic to high Andean valleys and characterized by dermal angioblastic proliferation in association with reactivation of latent Bartonella bacilliformis organisms. VP closely resembles AIDS-associated angiopathogenic manifestations at the clinical, histopathologic, and etiologic levels and therefore has been proposed as a model for the study of angiogenesis and endothelial cell dysplasia and neoplasia. Moreover, the recent epidemic outbreaks in endemic areas, the increased frequency of international travel to the region, the variable incubation period, and the possibility of not recognizing VP due to its rarity further underscore the relevance of studying this rare disorder and of including it in the differential diagnosis of angiomatous-proliferative disorders.
Insights
Verruga peruana (VP), a Bartonella bacilliformis infection, causes skin growths resembling AIDS-related conditions. Studying VP offers insights into angiogenesis and endothelial cell disorders.
Area of Science:
- Infectious Diseases
- Dermatology
- Pathology
Background:
- Microbial-induced angiomatous proliferative disorders, such as Kaposi's sarcoma and bacillary angiomatosis, are increasingly observed in patients with acquired immunodeficiency syndrome (AIDS).
- The etiopathogenesis of these conditions, particularly the role of microbial mediators, is an active area of research.
- Verruga peruana (VP) is an endemic disease in the high Andes, characterized by dermal angioblastic proliferation linked to Bartonella bacilliformis.
Purpose of the Study:
- To review the historical, epidemiologic, clinical, and etiopathogenic aspects of verruga peruana (VP).
- To highlight VP's resemblance to AIDS-associated angiopathogenic manifestations.
- To propose VP as a model for studying angiogenesis and endothelial cell neoplasia.
Main Methods:
- Review of historical, epidemiological, clinical, and histopathological data on verruga peruana.
- Comparative analysis of VP with AIDS-associated angiomatous proliferative disorders.
- Literature review on Bartonella bacilliformis and its role in VP pathogenesis.
Main Results:
- VP is characterized by dermal angioblastic proliferation associated with Bartonella bacilliformis reactivation.
- VP shares clinical, histopathological, and etiological similarities with AIDS-associated angiomatous conditions.
- Recent outbreaks and international travel increase the relevance of VP recognition.
Conclusions:
- Verruga peruana serves as a valuable model for understanding angiogenesis and endothelial cell dysplasia.
- VP should be considered in the differential diagnosis of angiomatous proliferative disorders, especially in endemic or travel-associated cases.
- Further research into VP pathogenesis can elucidate mechanisms relevant to AIDS-related vascular lesions.