Orbital solitary fibrous tumor: Radiographic and histopathologic correlations

James W. Gigantelli, Marilyn C. Kincaid, Charles N.S. Soparkar, Andrew G. Lee, Susan R. Carter, R. Patrick Yeatts, David E.E. Holck, Morris E. Hartstein, John S. Kennerdell

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

Objective: To correlate the clinicopathologic and radiographic features characteristic of orbital solitary fibrous tumor (SFT). Methods: The diagnostic features and clinical outcome of seven adults with orbital SFT are retrospectively outlined. Orbital imaging was performed by ultrasonography, computed tomography, or magnetic resonance imaging. Some cases were imaged by multiple modalities. Histopathologic examination of each tumor specimen included standard light and immunohistochemical stains. Results: Heterogeneous internal composition was better appreciated on magnetic resonance imaging than on computed tomography. All cases undergoing magnetic resonance imaging showed T1 isointensity and T2 hypointensity relative to gray matter. Strong, generalized immunohistochemical reactivity to vimentin and CD34 validated the diagnosis of SFT and differentiated the specimens from other spindle cell neoplasms. After complete tumor resection, our patients remain tumor free with postoperative intervals of 15 to 45 months. Conclusions: Solitary fibrous tumor has now been reported in 26 orbits. No physical finding is pathognomonic, but several imaging traits are highly characteristic. Intralesional image heterogeneity and a predominantly low T2 signal intensity are distinctive of SFT. Complete tumor resection and immunohistologic specimen evaluation are emphasized. Clinicians should consider the diagnosis of SFT when confronted with an adult patient having an orbital soft tissue mass demonstrating the distinctive magnetic resonance imaging findings.

Original languageEnglish (US)
Pages (from-to)207-214
Number of pages8
JournalOphthalmic Plastic and Reconstructive Surgery
Volume17
Issue number3
DOIs
StatePublished - May 2001

ASJC Scopus subject areas

  • Surgery
  • Ophthalmology

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    Gigantelli, J. W., Kincaid, M. C., Soparkar, C. N. S., Lee, A. G., Carter, S. R., Yeatts, R. P., Holck, D. E. E., Hartstein, M. E., & Kennerdell, J. S. (2001). Orbital solitary fibrous tumor: Radiographic and histopathologic correlations. Ophthalmic Plastic and Reconstructive Surgery, 17(3), 207-214. https://doi.org/10.1097/00002341-200105000-00011