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KMID : 0942820060050010045
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Journal of Korean Brain Tumor Society
2006 Volume.5 No. 1 p.45 ~ p.49
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Inflammatory Myofibroblastic Tumor Involving the Frontal Bone - Case Report -
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Kim Tae-Ho
Choe Woo-Jin
Lee Sung-Jun
Rhee Jong-Joo
Lee Hye-Kyung
Lee Chae-Heuck
Kim Myoung-Soo
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Abstract
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Inflammatory myofibroblastic tumor(IMT) includes a diverse group of lesions characterized by inflammatory cell infiltration and variable fibrotic responses, which mimic neoplastic lesions. IMTs of the head and neck occur most commonly in the orbits, and their occurrence in the skull is rare. To our knowledge, only eight cases of IMTs of the skull(excluding cases in the eye and maxillary sinus) have been reported in Korea. We report a case of IMT involving the frontal bone. A 43-year-old man presented with right frontal pain. A right frontal scalp mass had been removed at another hospital one month ago, but the pain persisted. Brain computed tomography showed a suspected sclerotic lesion near the right coronal suture, with an enhancing epidural mass. A lesion of the frontal bone was removed by craniectomy. The cortical bone appeared pinkish-brown color. Dura mater adherent to the bone showed an inflammatory reaction and thickening and it was removed. Duroplasty and cranioplasty were performed. The pathology test indicated IMT. IMT must be distinguished from other infectious, granulomatous, and neoplastic lesions. It requires an aggressive approach including surgical intervention, with resection of all the bone and dura mater involved. We describe the diagnosis and treatment of skull IMT.
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KEYWORD
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Inflammatory myofibroblastic tumor, Skull
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