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Reverse magnetic resonance signal from intraocular hemorrhage
Leanne T Labriola1, Carol L Shields, Carl J Danzig
1From the *Oncology Service, Wills Eye Hospital, and the †Department of Neuroradiology, Thomas Jefferson University, Philadelphia, Pennsylvania.
Retinal Cases & Brief Reports
|November 13, 2014
Summary
Massive intraocular hemorrhage alters magnetic resonance imaging (MRI) signals, showing bright on T1 and dark on T2 weighted images. This MRI finding aids in diagnosing intraocular bleeding and its stage.
Area of Science:
- Ophthalmology
- Radiology
- Pathology
Background:
- Intraocular hemorrhage can cause vision loss.
- Accurate diagnosis of intraocular bleeding is crucial for patient management.
Purpose of the Study:
- To describe the magnetic resonance imaging (MRI) signal characteristics of massive intraocular hemorrhage.
- To evaluate MRI's utility in diagnosing intraocular pathology.
Main Methods:
- This study presents a case report of a patient with sudden vision loss.
- Magnetic resonance imaging (MRI) was performed to evaluate the affected eye.
Main Results:
- The patient presented with sudden, vision loss in one eye.
- MRI revealed homogeneous bright signal on T1-weighted images and dark signal on T2-weighted images.
- Histopathology confirmed subacute massive intraocular hemorrhage.
Conclusions:
- Magnetic resonance imaging (MRI) signal changes are indicative of intraocular hemorrhage.
- MRI can help determine the stage of blood breakdown based on hemoglobin degradation products.
- MRI is a valuable tool for diagnosing intraocular pathology.

