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CT findings in retinoblastoma
AJR. American Journal of Roentgenology
|October 1, 1979
Summary
Computed tomography (CT) accurately assesses retinoblastoma spread. Calcification within the tumor may indicate a favorable prognosis, suggesting a better outlook for patients.
Area of Science:
- Ophthalmology
- Radiology
- Oncology
Background:
- Retinoblastoma is a malignant intraocular tumor.
- Accurate staging is crucial for prognosis and treatment planning.
Purpose of the Study:
- To evaluate the role of computed tomographic (CT) findings in assessing the extent of retinoblastoma.
- To determine the prognostic significance of CT-identified calcification in retinoblastoma.
Main Methods:
- Retrospective review of CT scans from 38 patients with surgically confirmed retinoblastoma.
- Correlation of CT findings with tumor extent (intraocular vs. extraocular/intracranial spread) and calcification presence.
Main Results:
- CT accurately assessed extraocular and intracranial spread in retinoblastoma patients.
- Calcification was observed in 11/23 (48%) of intraocular tumors versus 2/15 (13%) of tumors with extraocular/intracranial spread.
- Tumor spread beyond the globe correlated with a poor prognosis.
Conclusions:
- CT imaging is valuable for staging retinoblastoma, aiding in prognosis.
- The presence of calcification on CT may be a favorable prognostic indicator in retinoblastoma.