International Journal of Dermatology | 2019
Two cases of lupus arteritis: a rare type of cutaneous lupus vasculitis
Abstract
bone marrow transplantation. Most cases of EG are classically associated with Pseudomonas aeruginosa bacteremia in immunocompromised patients with neutropenia, but also other pathogens have been reported. EG typically arises from hematogenous seeding but can occur with direct bacterial inoculation through skin. Because significant morbidity is associated with EG, broad spectrum antimicrobial coverage should be initiated until a pathogen is identified. In the literature, only three cases have previously been reported where EG was caused by K. pneumoniae (Table 1). S. vestibularis is a newly described species that is currently classified as within the Streptococcus salivarious subgroup of viridans streptococci group. It was first isolated from the vestibular mucosa of the human oral cavity and described as a new species in 1988. In few papers, it has been reported as a causal agent of systemic infection in immunosuppressed adults and in those with other severe underlying diseases, like endocarditis. In our case, the patient had developed EG because of K. pneumoniae and S. vestibularis, as blood and tissue cultures both grew K. pneumoniae and S. vestibularis. In this manuscript, we have provided a review of the literature of previous published cases of EG because of K. pneumoniae (Table 1). Here, we have reported the first case of EG because of S. vestibularis in a patient with AML. As the taxonomy of the viridans group becomes better defined, it is likely that novel disease associations will be made with the newly recognized species.