Pulmonary fat embolism usually is associated with trauma. Occasionally it can occur by other mechanisms.
Tumor
(1) angiomyolipoma
(2) renal cell carcinoma with intratumoral fat
Liposuction
Lipoinjection
Surgery (which may be considered a form of trauma):
(1) spinal fusion
(2) reaming of the femur
Fatty liver
Bone marrow necrosis (sickle cell anemia, other)
Sudden decompression
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Specialty: Surgery, orthopedic
