[Femur overgrowth as presentation of an osteoid osteoma].
BACKGROUND
Osteoid osteoma is a benign tumor that typically produces night pain that improves with salicilates. This condition, rarely affects children younger than 5 years-old.


METHODS
We present a 2-year-old boy with lower limb discrepancy due to overgrowth of the femur as first manifestation of an osteoid osteoma. The patient did not complain of pain. The tumor localization was intramedular, and diagnosis was confirmed by pathology after broad resection of the tumor.


CONCLUSIONS
This case report shows an unusual presentation of an osteoid osteoma in a young patient, with lower limb discrepancy caused by overgrowth of the femur in absence of pain.
Nájera-Martínez
Pedro
P
Servicio de Ortopedia y Traumatología, Centro Médico Dr. Julián Manzur Ocana del Instituto de Seguridad Social del Estado de Tabasco, Villahermosa, Tabasco, México. pedro29063@hotmail.com
Aguirre-Hernández
Rodolfo Susano
RS
Bulnes-Mendizábal
David
D
D002675:Child, Preschool; D006801:Humans; D007870:Leg Length Inequality / Q000209:etiology*; D008297:Male; D010017:Osteoma, Osteoid / Q000150:complications* / Q000175:diagnosis