NCIt synonyms : SBC; Hemorrhagic Bone Cyst; Unicameral Bone Cyst; Bone Cyst; Solitary Bone Cyst;
NCIt definition : A usually unilocular, intramedullary cystic cavity in the bone. It is lined by fibrous
tissue and is filled with serous or serosanguineous fluid. It can arise from any bone.
The most frequent sites are proximal humerus, proximal femur, and proximal tibia.
In most cases the lesion is asymptomatic and is usually detected after a pathologic
fracture or during radiologic examination for unrelated reasons. Recurrences have
been reported in a minority of cases.;