Özet:

Sarcoidosis is a disease of unknown etiology which can affect the lungs and lymph nodes, skin, eyes and other organs and, in rare cases, bones and bone marrow cells. We present a case of a 39-year-old male patient with an iliac bone involvement of sarcoidosis mimicking malignancy. Lymphoma and metastatic cancer proved a challenge to discard in differential diagnosis. He underwent multiple biopsies including tru-cut lung parenchyma and iliac bone biopsies. All of the biopsy specimens were reported as non-necrotising granulomatous inflammation. He underwent corticosteroid treatment. His response to the steroid treatment was insufficient so methotrexate was added to the corticosteroid therapy. Afterwards, clinical and radiological improvement was recorded. We aimed to highlight the utilization of taking new biopsies and histopathological re-evaluations in order to confirm the diagnosis and distinguish a benign disease from a malignant one.

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