PMC3921132_01
(A) Chest X-rays. A large homogenous shadow in the right upper and middle lung fields and a reticular shadow are present in the left middle lung field. (B) Computed tomography (CT) of the chest. Massive infiltration of the right middle lung field was observed. (C) Sagittal T1 weighted magnetic resonance imaging (MRI) of the lumbar spine. A vertebral body fracture was found at the level of L1 (white arrows). (D) Postmortem pathological studies. Fat emboli including bone marrow cells were observed in the pulmonary artery (HE stain, 100x). (E) Postmortem pathological studies. Bone marrow cells were present in an arteriole in the submucosa of the colon (HE stain, 400x). (F) Postmortem pathological studies. Higher magnification of the same section showed many myelocytes and erythroblasts (HE stain, 1000x).
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X-rays of the chest, abdomen, and pelvis revealed a large homogenous shadow in the right upper and middle lung fields and a reticular shadow in the left middle lung field (Fig. 1A) and no evidence of pelvic fractures. Computed tomography (CT) of the chest revealed massive infiltration of the right middle lung field (Fig. 1B). Pathological studies demonstrated fat emboli, including bone marrow cells in the pulmonary artery (Fig. 1D), gastrointestinal artery (Fig. 1E and F), and adrenal glands (data not shown).