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Preretinal hemorrhage preventing subretinal involvement in multilayer macular hemorrhages: coincidence or plausible
Priscila A Nascimento1, Cristina N Carbajo2, Luisa S M Mendonça3
1Department of Ophthalmology, Faculdade de Medicina Do ABC, Avenida Principe de Gales, 821, Santo André, SP, 0906065, Brazil. pri_nascimento2@hotmail.com.
Background:
To report four cases with interesting anatomical presentations of multilayer macular hemorrhages with preretinal hemorrhage possibly preventing subretinal involvement of the macular area.
Cases Presentation:
Observational study of four patients presenting with macular hemorrhages.
Results:
Four patients with multilayer macular hemorrhage due to different causes, presented with a halo-shaped submacular hemorrhage coincident with the preretinal hemorrhage borders. After resolution, in all cases, the macular area underneath the preretinal hemorrhage was found to be spared.
Conclusion:
We hypothesized that an extensive preretinal hemorrhage can exert a mechanical force pushing the subretinal hemorrhage towards the periphery, consequently protecting the macular area.
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