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            [0] => Sacral osteoid osteoma: a rare cause of back pain in  childhood
        )

    [etablissement] => Array
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            [0] => CHU Sahloul Sousse - Tunisie
        )

    [nom] => Array
        (
            [0] => Najjar
        )

    [prenom] => Array
        (
            [0] => Ibrahim
        )

    [email] => Array
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            [0] => ibrahim.najjar7@gmail.com
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            [0] => 52432148
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            [0] => 
 
Nom prénom / Name Surname: Ibrahim Najjar
Email: ibrahim.najjar7@gmail.com
Hôpital / Hospital: CHU Sahloul Sousse

 
Nom prénom / Name Surname: Lassaad Hassini
Email: lassaadhassini@hotmail.fr
Hôpital / Hospital: CHU Sahloul Sousse

 
Nom prénom / Name Surname: Akram Zaier
Email: akramzaier1@yahoo.fr
Hôpital / Hospital: CHU Sahloul Sousse

 
Nom prénom / Name Surname: Wajdi Chermiti
Email: chermitiwajdi@gmail.com
Hôpital / Hospital: CHU Sahloul Sousse

 
Nom prénom / Name Surname: Mahmoud Ben Maiitigue
Email: ben_mai_mah@yahoo.fr
Hôpital / Hospital: CHU Sahloul Sousse

 
Nom prénom / Name Surname: Karim Bouattour
Email: kbouattourfr@yahoo.fr
Hôpital / Hospital: CHU Sahloul Sousse

        )

    [mots_cles] => Array
        (
            [0] => osteoid osteoma, saccrum, children;

        )

    [event-id] => Array
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            [0] => 3663
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            [0] => 1
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            [0] => none
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    [user_email] => Array
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            [0] => ibrahim.najjar7@gmail.com
        )

    [specialite] => Array
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            [0] => Chirurgie orthopédique et traumatologique
        )

    [pays] => Array
        (
            [0] => Tunisie
        )

    [texte_abs] => Array
        (
            [0] => Introduction
The spine is a rare localization of osteoid osteoma and the sacrum is even more
exceptional. The diagnosis can be delayed compared to other skeletal locations. CT
scan is the key helping lead to the diagnosis.

Clinical case
A six-year-old girl presented to our clinic with a chronic back pain evolving for several
months and alleviated with non-steroid anti-inflammatory drugs (NSAID). Physical
examination revealed pain on palpation of the sacrum but no signs of neurological
deficits. Biology tests and X-rays of the pelvis were normal. CT scan revealed a 0.3
cm nidus at the center of the reactive bone sclerosis. MRI revealed a subtle signal
intensity change in the sacral region and confirmed a compression of the left S2 root.
The lesion was completely excised under general anesthesia. Histopathology exam
confirmed the diagnosis of osteoid osteoma. At 3 years FU, there were no signs of
reccurence and the patient was asymptomatic.

Conclusion:
Osteoid osteoma is a relatively frequent benign bone tumor of osteoblastic origin.
The sacral localization is exceptionnel. The diagnosis should be referred to as having
a low back pain in an infant. CT scan and/or MRI allow visualizing the lesion and its
extent to the neural elements. Surgical excision is an effective technique.
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