Eosinophilic granuloma of the base of the skull

Case report

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✓ The authors present an unusual case of eosinophilic granuloma arising in the region of the foramen rotundum.

Article Information

Address reprint requests to: John C. Johnson, M.D., Department of Radiology, Ohio State University Hospitals, 410 West 10th Avenue, Columbus, Ohio 43210.

© AANS, except where prohibited by US copyright law.

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    Preoperative posteroanterior film of the skull shows a normal right foramen rotundum (arrowhead). The left foramen rotundum cannot be identified.

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    Anteroposterior polytomographic cuts at the level of the foramen rotundum. Left: Preoperative cut. The normal right foramen rotundum (single arrowhead) is projecting inferior to the superior orbital fissure. On the left, a fairly extensive area of lytic bone destruction can be seen in the base of the skull in and around the expected location at the left foramen rotundum. Right: Ten months after surgery at the same level. The lytic defect is no longer seen, and the foramen rotundum has reconstituted itself.

References

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    Murray ROJacobson HG: The Radiology of Skeletal Disorders. Baltimore: Williams and Wilkins1971 pp 718719Murray RO Jacobson HG: The Radiology of Skeletal Disorders. Baltimore: Williams and Wilkins 1971 pp 718–719

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    Shapiro RRobinson F: The foramina of the middle fossa: a phylogenetic, anatomic and pathologic study. Am J Roentgenol 101:7797941967Shapiro R Robinson F: The foramina of the middle fossa: a phylogenetic anatomic and pathologic study. Am J Roentgenol 101:779–794 1967

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    Sondheimer FK: Basal foramina and canals in Newton THPotts DG (eds): Radiology of the Skull and Brain Vol. 1Book 1. St. Louis: CV Mosby1971 pp 287297Sondheimer FK: Basal foramina and canals in Newton TH Potts DG (eds): Radiology of the Skull and Brain Vol. 1 Book 1. St. Louis: CV Mosby 1971 pp 287–297

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