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Disseminated M. colombiense infection.
(A) Lumbar spine MRI suggests multiple lumbar and sacral vertebrae lesions, indicative of neoplastic changes. (B) PET/CT shows extensive osteolytic destruction and increased glucose uptake across the skeleton, suggesting malignancy. (C) Bone marrow biopsy demonstrates active proliferation of hematopoietic cells. (D) Visible mass on the forehead. (E). Acid-fast stain of the surface mass with a positive result (black arrow).
