Resumen

PERRONE, Marcela; MARRERO, Germán; PERDOMO, Virginia  y  MONTANO, Alicia. Femoral neck osteoid osteoma: about a case. Arch. Pediatr. Urug. [online]. 2017, vol.88, n.2, pp.95-100. ISSN 0004-0584.

Osteoid osteomas are  small benign bone tumors which lack growth potential. All bone tumors, whether benign or malign, are considered a rare cause of apyretic limping, being non-specific inflammatory diseases more frequent, such as transient synovitis of the hip, Perthes disease and adolescent conjugal chondropathy. The study presents the clinical case of an 8 year old school boy with a 4 month evolution painful apyretic limp, being there a suspicion of femoral neck osteoid osteoma according to imaging studies. Therapeutic trial of acetylsalicylic acid was performed. Twenty four hours later the boy was asymptomatic. A tomography-guided puncture was indicated. Clinical diagnosis was pathologically confirmed. Subsequently, complete surgical resection of the tumor was performed, the evolution being favorable. From a pediatric perspective it is important to make an accurate differential diagnosis between the different possible causes of painful apyretic limp, based on clinical history and imaging studies.

Palabras clave : OSTEOID OSTEOMA; FEMUR NECK; COMPUTER ASSISTED SURGERY.

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