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Abstract
Extramedullary haematopoiesis (EMH) is a physiological process of formation of blood cells outside the bone marrow in response to insufficient production or excessive destruction of blood cells. Most common sites of EMH are liver, spleen, lymph nodes, kidney and paraspinal regions. In this report, we have described a rare case of focal EMH which presented as a mass adjacent to the renal allograft. Imaging characteristics favoured a benign aetiology with MRI signals suggesting the presence of blood and fatty components. The final diagnosis of EMH was made by aspiration cytology and an unnecessary surgery was thus avoided.
- renal transplantation
- haematology (incl blood transfusion)
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Footnotes
Contributors HL conceived the manuscript and was involved in radiology imaging and ultrasound-guided FNAC. MD and PY prepared the manuscript. MJ reviewed the manuscript and provided the cytopathology images. All the authors reviewed the manuscript before submission.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Parental/guardian consent obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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