Orbital Infarction due to Sickle Cell Disease without Orbital Pain.

Sickle cell disease is a hemoglobinopathy that results in paroxysmal arteriolar occlusion and tissue infarction that can manifest in a plurality of tissues. Rarely, these infarcted crises manifest in the bony orbit. Orbital infarction usually presents with acute onset of periorbital tenderness, swelling, erythema, and pain.

Risk factors associated with retinal hemorrhage in suspected abusive head trauma.

Purpose: To determine risk factors associated with retinal hemorrhage (RH) in pediatric abusive head trauma (AHT) suspects.

Methods: Records of children aged 0-3 years hospitalized for suspected AHT from January 2007 to November 2011 were retrospectively reviewed in this case-control study. Children were classified into case and control groups based on RH presence.

Malaria retinopathy and cerebellitis in a 9-year-old boy in the United States.

Malarial retinopathy is characterized by retinal whitening, vessel change, and hemorrhages usually associated with a white center. We present the case of a 9-year-old boy who presented with a systemic Plasmodium falciparum infection, hemorrhagic cerebellitis and malarial retinopathy characterized by "fire flare" hemorrhages (scleral icterus with subconjunctival hemorrhages), Roth spot-like hemorrhages, and subhyaloid hemorrhage. To our knowledge, this is the first reported case of hemorrhagic cerebellitis secondary to P.