<prompt> Rhinoscleroma is caused by:KlebsiellaAutoimmuneSpirochetesRhinosporidium  <response>: a KlebsiellaRef. Scott Brown, 8th ed., Vol 1; 1212Rhinoscleroma is a bacterial granuloma caused by Klebsiella rhinoscleromatis also known as Frisch bacillus.Rhinosporidium seeberi, an aquatic protistan protozoa unicellular parasite, causes a granulomatous condition called rhinosporidiosis.Spirochete syphilis and autoimmune conditions e.g. Wegeners granulomatosis are the other nasal granulomatous conditions. 