Granulocytic sarcoma of the maxillary sinus : A pediatric case report

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Published Mar 4, 2011
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Vol. 89 No. 3 (2011): Issue Mar 2011

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Lilia Ben Hassine
Sofien Chaouch
Wiem Douira
Hela Louati
Lilia Lahmar
Faten Fadhila
Karima Mrad
Sihem Barsaoui
Ibtissem Bellagha

Abstract

Background: Granulocytic sarcoma is a rare malignant extramedullary neoplasm of myeloid precursor cells, occuring before or after onset of leukaemia. Involvment of the head and neck region is rare, generally concerning the orbit.
Aim: To illustrate imaging findings of granulocytic sarcoma in an unusual location; maxillary sinus.
Case: We report a case of maxillary sinus granulocytic sarcoma in a 13-month old boy revealed by facial nerve palsy, ptosis and jugal swelling, without any evidence of haematological disorders. The patient underwent computed tomography and magnetic resonance imaging exam which demonstrated a non specific maxillary sinus mass with destruction of the orbit floor and the alveolar bone.
Diagnosis was obtained after bone biopsy allowing histological and immunohistochemical studies.
Conclusion: Granulocytic sarcoma is a serious condition because of the associated hematologic disorders. In a sinus or orbit location, imaging features are non specific. Unless hematologic history is present, diagnosis is difficult and an immuno histo chemical study is required.

Keywords:

Granulocytic sarcoma, infant, CT, MRI

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