Loughman N T, Lin B P
Pathology Department, Concord Repatriation General Hospital, Sydney, Australia.
Acta Cytol. 1995 Nov-Dec;39(6):1244-6.
Asteroides hyalosis is a degenerative condition of the vitreous of unknown etiology in which calcium soaps accumulate on vitreous fibrils in the eye. Cytologically, the condition needs to be differentiated from foreign body reactions, synchysis scintillans and proteinaceous coagula.
A 69-year-old male presented with a history of diminished vision and floaters in the right eye. Examination of the vitreous fluid revealed roughly spherical structures. When examined with polarized light, these structures showed central, birefringent, crystalline particles.
The cytologic appearance of asteroides hyalosis is characterized by round asteroid bodies ranging in size from 30 to 80 microns in diameter. When polarized, these structures show central, birefringent, crystalline particles. Special stains may be helpful in the diagnosis.
星状玻璃体变性是一种病因不明的玻璃体退行性疾病，其中钙皂在眼内玻璃体纤维上积聚。在细胞学上，这种情况需要与异物反应、闪辉性玻璃体液化和蛋白质凝固物相鉴别。
一名69岁男性，有右眼视力减退和飞蚊症病史。对玻璃体液的检查发现大致呈球形的结构。用偏光显微镜检查时，这些结构显示出中央双折射结晶颗粒。
星状玻璃体变性的细胞学表现特征为直径30至80微米的圆形星状体。偏振时，这些结构显示出中央双折射结晶颗粒。特殊染色可能有助于诊断。
