In sickle cell crisis bone pain is due to:
In sickle cell crisis bone pain is due to bone infarction. RBC are sticky, so branching blood vessels gets occluded leading to infarction. "Fish mouth veebra" seen in sickle cell anemia.
Bone infarction
Osteroporosis
Osteomalacia
Periosteal reaction
Sickle Cell Disease, G6PD deficiency and other Hemolytic Anemia