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Malakoplakia of the Kidney Transplant
Emiel Declerck1, Annelies Laerte1, Henri Vandermeulen1
1Department of Radiology, UZ Leuven, Leuven, Belgium.
Journal of the Belgian Society of Radiology
|January 16, 2026
Abstract:
Teaching point: Malakoplakia is a rare but clinically significant condition in immunocompromised patients and in these patients to be included in the differential diagnosis to distinguish this pseudotumoral process in a renal graft from malignant entities such as renal cell carcinoma and post-transplant lymphoproliferative disease (PTLD).
Insights
Malakoplakia is a rare condition that can affect immunocompromised patients. It should be considered in renal graft recipients to differentiate it from cancers like renal cell carcinoma and PTLD.
Area of Science:
- Nephrology
- Transplant Surgery
- Pathology
Background:
- Malakoplakia is a rare inflammatory condition.
- It primarily affects immunocompromised individuals.
- Renal graft recipients are at risk.
Purpose of the Study:
- To highlight the clinical significance of malakoplakia in renal graft recipients.
- To emphasize the importance of including malakoplakia in the differential diagnosis.
- To distinguish malakoplakia from malignant renal graft pathologies.
Main Methods:
- Literature review of malakoplakia cases in renal transplant patients.
- Comparative analysis of clinical and pathological features of malakoplakia versus renal cell carcinoma and PTLD.
- Review of diagnostic challenges and management strategies.
Main Results:
- Malakoplakia can present as a pseudotumoral mass in renal grafts.
- Misdiagnosis can lead to inappropriate treatment for malignancy.
- Early and accurate diagnosis is crucial for appropriate management.
Conclusions:
- Malakoplakia is a rare but significant differential diagnosis in immunocompromised renal graft recipients.
- Distinguishing malakoplakia from renal cell carcinoma and PTLD is critical.
- Inclusion in the differential diagnosis aids in appropriate patient management and outcomes.
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