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Bilateral Tibia Fibrous Dysplasia in a Pediatric Patient Treated with Intramedullary Nailing: A Case Report.

Fibrous dysplasia is benign developmental disorders of bone where normal
lamellar cancellous bone is replaced with immature fibro-osseus tissue resulting
in poorly formed trabeculae of immature woven bone. It may affect
one (monostotic) or multiple bones (polyostotic). Polyostotic disease is less
common, 20-25% of patients, mostly in children below 10 years old and
tends to enlarge beyond bone maturation ration which can cause pain, progressive
damage and higher tendency of pathological fractures.(1) We report
a case of polyostotic fibrous dysplasia present on bilateral tibia diaphysis. Patient
presented with bilateral leg pain on examination and imaging showed
bilateral tibia lytic lesion. Management consisted of reaming and intramedullary
nailing on bilateral tibia after which patient presented without pain
and radiographs showing no evidence of lesion. Tibia x-rays demonstrated exuberant
cortical intramedullary bone formation with disappearance of the
scalloped osteolytic lesions on the inner wall of tibial cortex. Clinically the patient's
symptoms disappeared giving the opportunity to return to contact sports
without limitation.