case_images: PMC3977154_01
case_images: Bruise-like lesion on left side of thoracic vertebrae.
case_images: hr-2014-1-5119-g001.jpg
case_images: PMC3977154_01_hr-2014-1-5119-g001.jpg
case_images: fig001
case_images: Physical examination revealed a 4 cm nodular, raised bruise like lesion (Figure 1).
case_images: Bone marrow trephine showing medium sized cells with polymorphic, angulated nuclei with moderately basophilic chromatin and scant eosinophilic cytoplasm. Morphologically these cells resemble atypical lymphocytes. Mitoses are numerous (H&E, 63x).
case_images: hr-2014-1-5119-g002.jpg
case_images: PMC3977154_01_hr-2014-1-5119-g002.jpg
case_images: fig002
case_images: Bone marrow was markedly hypercellular with a diffuse infiltrate of large atypical lymphoblastoid cells displaying prominent nuclear folding and scant esinophilic cytoplasm (Figure 2).