Figure 2 A 2-year-old female patient with chief complaint of right eye leukocoria. vision examination was noncooperation,intraocular pressure was T+1, mixed conjunctival congestion, transparent cornea and lens, normal anterior chamber depth,aqueous flare (?), pupil diameter was 4 mm, loss of pupillary reflex
(A) Yellow-white pupillary reflex could be found in the vitreous cavity. (B) Eye solid masses by B-ultrasonic examination. (C) Blood flow signal on color doppler. The clinical diagnosis was RB. (D) Tumor aroused from transitional zone of pars plana adjacent to ora serrata (HE,×40). (E) Cells became fusiform in shape and lose apical-basal polarity. Lots of mitotic nucleus could be found high power microscopic (HE,×100). Immunohistochemical staining for NSE, S100, CD117, Vimentin, GFAP, Keratin (+), and for SMA, BCL-2, Actin, Desmin, NF, SY(?). Pathological diagnosis: tumor originating from ciliary body interstitial cells.
2.2.3 与眼内炎症混淆
临床将RB误诊为眼内炎2例,患者病理特点为肿瘤小,坏死明显,沿视网膜表面和视网膜内生长。1例已明显侵犯虹膜,玻璃体腔内肿瘤沿锯齿缘附近视网膜表面生长约0.5 mm ×2 mm大小(图3)。另1例前节未见炎症反应,但玻璃体腔可见大量白色混浊和钙化。眼内炎误诊为RB共3例,本组特点病史时间较长,1例真菌性眼内炎病史1年,陈旧性穿通伤病史5年,剩余1例眼内非特异性炎症病史较短只有1个月,但有明显钙化。本组均存在眼后节无法视及的情况,2例是因为前房出血,1例因晶状体后增殖膜。本组患者年龄差异没有统计学意义(t=1.315,P=0.281)。
图3 患者,女,9岁。2005年因左眼红痛伴视力下降3个月为主诉入院
Figure 3 A 9-year-old female patient with chief complaint of ocular redness, pain and visual impairment on left eye about 3 months
The clinical diagnosis was uveitis. Visual acuity was 0.1 and unable corrected, intraocular pressure was 37 mmHg. Tumor cells floated in the anterior chamber (A, black arrow). (B1) High density fibrosis by B-ultrasonic examination. (B2) None blood flow signal on color doppler.(B3) Serious anterior chamber exudations on UBM. The results of bacterial culture and medical sensitivity experiments were negative. Visual acuity improved to 0.3 with douche of anterior chamber, patient discharged with improvement. But one month later, patients had been re-admitted to the hospital for relapse of focus. RB cells were found in aqueous humor after paracentesis (shown as arrows, C3: aqueous humor smear; HE, ×200), and the patient was diagnosed with RB and treated by enucleation. Postoperative pathological section shown the tumor cells were growth along the retina (C1: HE, ×100; B1), and obviously infiltrating iris and choroid (C2: HE, ×100; B3).
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