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Case Reports
. 2016 Apr;5(2):84-7.
doi: 10.15171/jnp.2016.15. Epub 2016 Mar 18.

Belatacept and mediastinal histoplasmosis in a kidney transplant patient

Hernán Trimarchi  1 , Tatiana Rengel  1 , José Andrews  1 , Matías Paulero  1 , Alejandro Iotti  2 , Agustina Forastiero  3 , Fernando Lombi  1 , Vanesa Pomeranz  1 , Mariano Forrester  1 , Romina Iriarte  1 , Iris Agorio  3
Affiliations
Case Reports

Belatacept and mediastinal histoplasmosis in a kidney transplant patient

Hernán Trimarchi et al. J Nephropathol. 2016 Apr.

Abstract

Background: In transplantation immunosuppression enhances the appearance of opportunist infections. An ideal balance between the prevention of rejection, the lowest risk of infections and the highest rates of graft survival is a continuous challenge. Lower doses of immunosuppression may diminish the risk of infections, metabolic and hemodynamic complications or even of malignancy, but may expose patients to episodes of acute rejection. New drugs are being developed to improve graft survival at the lowest risk of side effects. Belatacept has recently been introduced in kidney transplantation to inhibit the co-ligand signal of T cell stimulation. It is a drug with a safe profile, is well-tolerated and appears to improve long-term survival of kidney grafts. However, there may be an increase in opportunistic infections which may be facilitated by T cell depression, as Aspergillus sp., Cryptococcus neoformans or tuberculosis.

Case presentation: We describe a 59-year-old female who developed fever, clinical wasting and a mediastinal mass 31 months after receiving a living non-related kidney transplant while on belatacept therapy. A mediastinal node biopsy disclosed the presence of Histoplasma capsulatum. Infection successfully resolved after appropriate antifungal treatment.

Conclusions: To our knowledge, this is the first reported case of Histoplasma capsulatum in a kidney transplanted patient on belatacept therapy.

Keywords: Belatacept; Histoplasma capsulatum; Kidney transplantation.

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