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Orbital wall infarction in sickle cell disease: MR evaluation
S L Rebsamen1, L T Bilaniuk, D Granet
1Department of Radiology, Children's Hospital of Philadelphia, PA 19104.
AJNR. American Journal of Neuroradiology
|May 1, 1993
Summary
Orbital wall infarction in sickle cell disease patients can mimic infection. MRI aids diagnosis by identifying blood collections and bone marrow abnormalities, distinguishing it from infection.
Area of Science:
- Ophthalmology
- Radiology
- Hematology
Background:
- Sickle cell disease (SCD) is a genetic blood disorder.
- Orbital complications in SCD can be severe.
- Accurate diagnosis of orbital complications is crucial.
Observation:
- Orbital wall infarction in SCD can present with periorbital swelling and subperiosteal fluid collection.
- These signs can mimic orbital infection on computed tomography (CT).
Findings:
- Magnetic resonance (MR) imaging offers superior morphologic detail compared to CT.
- MR can characterize subperiosteal collections as hemorrhagic, indicative of infarction.
- MR can identify associated bone marrow abnormalities characteristic of SCD complications.
Implications:
- Distinguishing orbital wall infarction from infection is critical for appropriate management.
- MR imaging plays a key role in the accurate diagnosis of orbital complications in SCD patients.
- Early and accurate diagnosis can prevent unnecessary antibiotic treatment and guide specific SCD management.