An Unusual Cause of Bilateral Adrenal Incidentaloma: A Case Report of Primary Adrenal Lymphoma

Year 2023, , 287 - 292, 29.10.2023

Mert Tokatlı , Neslihan Nisa Gecici Meral Ilgaz Ergin Umit Yavuz Malkan Oguz Abdullah Uyaroglu

https://doi.org/10.46310/tjim.1348432

Abstract

Primary adrenal lymphoma (PAL) is an extremely rare among the causes of adrenal incidentaloma. Most were diagnosed with adrenal insufficiency and B symptoms (unexplained weight loss, night sweats, fever). This article presented a 57-year-old woman who was investigated for bilateral adrenal masses found incidentally on computed tomography (CT). Physical examination and laboratory tests revealed no evidence of adrenal insufficiency or B symptoms. Only 24-hour urinary metanephrine and normetanephrine excretion were increased. Tumour F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET/CT) scan showed the greatest dimension was 14 cm in the left adrenal mass and the maximum standardized uptake value (SUV max) was 26.1 (relative to mean SUV in the normal liver parenchyma, which was 2). An adrenal biopsy was performed after taking adequate precautions against the possibility of a catecholamine crisis. Histopathology revealed high-grade B-cell lymphoma. Bone marrow involvement and brain metastasis were not observed. She received the R-EPOCH (rituximab, etoposide, prednisone, vincristine, cyclophosphamide, and doxorubicin) regimen and intrathecal methotrexate therapy as central nervous system prophylaxis. The patient responded well to treatment, and close clinical follow-up continues. PAL should always be considered when a bilateral adrenal mass is detected.

Keywords

Adrenal incidentaloma, b-cell lymphoma, primary adrenal lymphoma

Supporting Institution

Hacettepe University School of Medicine

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