Abstract
We report on a case of focal haematopoietic hyperplasia occurring in the haematopoietic marrow in a lumbar vertebral body, of a young man. The PET scan performed showed high uptake of the radiotracer in the vertebral body of L3 and a MRI of the lumbar spine confirmed the vertebral lesion. A biopsy of the L3 vertebral body lesion was performed and the histological result was of chronic myeloproliferative disease but the analysis performed consequently excluded the diagnosis of chronic myeloproliferative disorder, according to the WHO criteria. Focal benign hyperplasia is regarded a late reactive process after trauma, as well as the case reported
Highlights
Focal haematopoietic hyperplasia is a rare and localized proliferation of the bone marrow to such a degree that it produces a tumor-like expansion
We report on a case of focal haematopoietic hyperplasia occurring in the haematopoietic marrow of a lumbar vertebral body in a young man
Our experience highlights several features according to other clinical cases reported in the English language literature: a solitary rib lesion reported in three asymptomatic patients with no evidence of associated hematologic disease [1,2] and a dorsal vertebral body lesion presenting in a patient with bronchiole-alveolar carcinoma [3]
Summary
Focal haematopoietic hyperplasia is a rare and localized proliferation of the bone marrow to such a degree that it produces a tumor-like expansion. This lesion is considered a late reactive process after trauma and it seems to be a form of pseudo-tumour, it shows the clinical and radiologic features of a tumour.
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