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Volume 30, Number 7—July 2024
Dispatch

Rickettsia parkeri Rickettsiosis in Kidney Transplant Recipient, North Carolina, USA, 2023

Gautam M. PhadkeComments to Author , Kiran Gajurel, Jennifer Kasten, Marlene DeLeon-Carnes, Carmen Ramos, Sandor E. Karpathy, Arlyn N. Gleaton, Sydney N. Adams, Pallavi D. Annambhotla, Sridhar V. Basavaraju, Carl Williams, and Christopher D. Paddock
Author affiliations: Metrolina Nephrology Associates, Charlotte, North Carolina, USA (G. Phadke); Carolinas Medical Center, Atrium Health, Charlotte (G. Phadke, K. Gajurel); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J. Kasten, M. DeLeon-Carnes, C. Ramos, S. Karpathy, A.N. Gleaton, S.N. Adams, P.D. Annambhotla, S.V. Basavaraju, C.D. Paddock); Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA (S.N. Adams); North Carolina Department of Health and Human Services, Raleigh, North Carolina, USA (C. Williams)

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Figure 2

Skin lesions and testing results for a kidney transplant receipient diagnosed with Rickettsia parkeri rickettsiosis, North Carolina, USA, 2023. A, B) Sparse maculopapular rash involving forearms. Lesions ranged from 0.2 to 3 cm in greatest dimension and were tender and erythematous. C) Histopathologic appearance of rash lesion demonstrating perivascular collections of mixed inflammatory cell infiltrates in the mid-dermis comprising predominantly neutrophils and macrophages. Hematoxylin and eosin stain; original magnification ×50. D) Immunohistochemical detection of antigens of R. parkeri (red) in dermal inflammatory cell infiltrates. Immunoalkaline phosphatase with naphthol-fast red and hematoxylin counterstain; original magnification ×100.

Figure 2. Skin lesions and testing results for a kidney transplant receipient diagnosed with Rickettsia parkeri rickettsiosis, North Carolina, USA, 2023. A, B) Sparse maculopapular rash involving forearms. Lesions ranged from 0.2 to 3 cm in greatest dimension and were tender and erythematous. C) Histopathologic appearance of rash lesion demonstrating perivascular collections of mixed inflammatory cell infiltrates in the mid-dermis comprising predominantly neutrophils and macrophages. Hematoxylin and eosin stain; original magnification ×50. D) Immunohistochemical detection of antigens of R. parkeri (red) in dermal inflammatory cell infiltrates. Immunoalkaline phosphatase with naphthol-fast red and hematoxylin counterstain; original magnification ×100.

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Page created: June 18, 2024
Page updated: June 22, 2024
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