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Intravitreal Hemoglobin Spherulosis: A Rare Complication of Subretinal Hemorrhage
Arch Ophthalmol. 2002;120:85-87.
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Hemoglobin spherulosis, a rare histological finding, represents a spherical
degradation product of hemoglobin. It has been described in a single report
as a vitreous hemorrhage originating from the subretinal space. We describe
an immunosuppressed patient with chronic myelogenous leukemia (CML) and associated
thrombocytopenia, with bilateral white intraretinal and subretinal hemorrhages,
along with an overlying vitreous hemorrhage. Cytologic examination of a vitrectomy
specimen demonstrated hemoglobin spherulosis. This represents only the second
report of this phenomenon.
Three unusual sequelae of longstanding vitreous hemorrhage are cholesterolosis
bulbi (synchisis scintillans), the formation of tubular vitreous cylinders,
and hemoglobin spherulosis.1 The last entity
represents a spheroidal degradation product of erythrocytes and was first
described by Grossniklaus et al2 in an eye
with a vitreous hemorrhage secondary to an idiopathic choroidal neovascular
membrane. Spherulosis was so named because of its histologic resemblance to
myospherulosis, an inflammatory condition characterized by saclike clusters
of degenerating erythrocytes that have . . . [Full Text of this Article] Report of a Case
Comment
Corresponding author: William F. Mieler, MD, Cullen Eye Institute,
Baylor College of Medicine, 6565 Fannin St, NC-205, Houston, TX 77030 (e-mail: wmieler@bcm.tmc.edu).
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