ISSN 2398-2942      

Rhinosporidium seeberi

icanis

Introduction

Classification

Taxonomy

  • Class: Mesomycetozoea (previously Icthyosporea).
  • Order: Icthyophonida.
  • Genus: Rhinosporidium.
  • Species: Seeberi.
  • Belongs to a novel clade of aquatic protistan parasites that are on the boundary between animals and fungi.
  • Previously described as a fungal organism of unknown classification.

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Clinical Effects

Epidemiology

Habitat

  • Animals and people most commonly infected from contaminated water source.

Transmission

  • Thought to be no direct transmission between animals and people however, may both be infected from a common source.

Pathological effects

  • Infection of epithelial cells leads to development of polyps composed of fibrovascular tissue with epithelial linings and sporangia present.

Control

Control via animal

  • Surgical excision of polyps is treatment of choice although recurrence can occur in some cases.

Control via chemotherapies

  • Ketaconazole Ketoconazole or dapsone have been used to treat dogs with rhinosporidiosis Rhinosporidiosis. Again recurrence has occurred in some cases.

Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Mendoza L, Taylor J W & Ajello L (2002) The class mesomycetozoea: a heterogenous group of microorganisms at the animal-fungal boundary. Ann Rev Microbiol 56, 315-344 PubMed.
  • Levy M G, Meuten D J & Breitschwerdt E B (1986) Culture of Rhinosporidium seeberi in vitro: interaction with epithelial cells. Science 234 (4775), 474-476 PubMed.

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