ObjectiveTo observe the morphologic characteristics of drusen in atrophic age-related macular degeneration (AMD) by spectral domain optical coherence tomography (SD-OCT). MethodsFifty-four patients (84 eyes) with macular drusen and atrophic AMD, and 56 age-matched control patients (56 eyes) with cataract were included in this study. Atrophic AMD patients were divided into two groups: D1 group with drusen involving the fovea (42 eyes) and D2 group with drusen not involving the fovea (42 eyes). The SD-OCT images in macular (6 mm×6 mm scans) were acquired, and the foveal retinal thickness (FRT) was measured. The size, morphology, inner reflection, homogeneity of drusen and its relationship with surrounding tissues were analyzed. ResultsThe FRT of D1 group, D2 group and control group were (160.90±38.47), (194.21±26.11), (222.42±19.29) μm respectively. The FRT of D1 group and D2 group were thinner than that of control group (F=57.08, P=0.00). Totally 1124 drusen were found by SD-OCT images in 84 eyes, with an average of 10.84 drusen in each eye. 3.0%, 12.5% and 84.5% of all 1124 drusen were small, medium and large sized respectively. 56.6%, 14.2%, 20.4% and 8.8% of all drusen were dome, pointed, saw-toothed and basal-shaped respectively. 17.1%, 57.5% and 25.4% of all drusen had low, medium and high internal reflectivity respectively. The internal reflectivity of 65.6%, 2.8% and 31.7% of all drusen were homogeneous, nonhomogeneous with core, and nonhomogeneous without core respectively. Overlying retinal pigment epithelium (RPE) damage and photoreceptor inner segment/outer segment (IS/OS) junction damage were presented in 34.5% and 24.8% drusen respectively. The most common type of drusen was dome-shape, homogeneous, with medium internal reflectivity, and without overlying RPE or IS/OS junction damage (81.0%). ConclusionsThe FRT becomes thinner in patients with drusen. The most common drusen types are dome-shaped, homogeneous, with medium internal reflectivity, and without overlying RPE or IS/OS junction damage.
目的:评价外用盐酸氨酮戊酸散光动力疗法治疗尖锐湿疣的临床疗效。方法:采用开放、高频电离子平行对照的临床研究方法。治疗组28例患者,采用外用盐酸氨酮戊酸散光动力疗法,一周治疗一次,连续治疗三周;对照组37例患者,采用高频电离子切割治疗。两组患者均在末次治疗后第一周进行疗效评价及不良反应观察,第4、8、12周观察复发率。结果:1例患者因三次外用盐酸氨酮戊酸散光动力疗法后疣体脱落而提前终止试验,64例患者完成了全部的随访。在末次治疗后1周时疣体清除率:治疗组为96.4%,对照组为100%,其中尿道口的疣体清除率:两组均为100%;非尿道口的疣体清除率:治疗组为91.67%,对照组100%,无论是尿道口还是非尿道口尖锐湿疣,两组的疗效无统计学差异(Pgt;0.05)。治疗后随访12周的复发率:治疗组为 6.86%,对照组24.32%, Plt;0.05;其中尿道口的复发率:治疗组为 5.88%,对照组42.86%,Plt;0.05;非尿道口的疣体清除率:治疗组为8.33%,对照组为20%,Plt;0.05。两组均具有统计学差异。两组均没有出现系统不良反应,局部不良反应率:治疗组为7.14%,主要为轻度糜烂、疼痛、渗液;对照组为4865%,主要为溃疡、疼痛、疤痕等,治疗组不良反应发生率均明显低于对照组,差异有统计学意义。结论：ALA-PDT清除率高，复发率低，安全，耐受性好，无明显副作用，可作为尿道口CA治疗首选。
Objective To observe and estimate the image characters of indocyanine green angiography (ICGA) and fundus fluorescein angiography (FFA) in atrophic age-related macular degeneration(AMD) and macular drusen. Methods FFA, ICGA and fundus photography were performed on 95 eyes of 73 atrophic AMD patients, in cluding 19 patients (26 eyes) with depigmentation and atrophy of retinal pigment epithelium (RPE), 15 (30 eyes) with macular drusen, and 39 (39 fellow eye) with unilateral exudative AMD.Results In 26 eyes with depigmentation and atrophy of RPE, the result of FFA of 24 eyes with depigmentaion showed patch hyperfluore scence, and of ICGA showed patch hyperfluorescence and hypofluorescence on the late photographs; in 2 eyes with maplike atrophy of RPE, the result of FFA showed patch hyperfluorescence, and of ICGA showed choriocapillaris defect with sharply demarcated boundaries and hypofluorescence of large choroidal vessels. In 30 eyes with macular drusen, the result of FFA of 8 eyes with hard drusen showed hyperfluorescence, and of ICGA showed patch and spot hyperfluorescence; the result of FFA of 16 eyes with soft drusen showed hyperfluorescence, and of ICGA showed persistent patch hypofluorescence intermixed with cluster hyperfluorescence; and the result of FFA of 6 eyes with both soft and hard drusen showed hyperfluorescence, and of ICGA showed patch hyperfluorescence intermixed with hypofluorescence. When it was hypofluorescence in ICGA in patients with macular drusen, larger quantity and range of fluorescence were found in FFA than in ICGA; when it was hyperfl uorescence in ICGA, smaller quantity and range of fluorescence were found in FFA than in ICGA. In 39 fellow eyes of unilateral exudative AMD, 32 or 31 eyes, examined by ICGA or FFA, had abnormal fluorescence of drusen and depigmentation and atrophy of RPE damage.Conclusions Simultaneous examination of IC GA and FFA can be useful for accurate evaluation of fundus image characters of types of angiography in atrophic AMD.(Chin J Ocul Fundus Dis，2003，19：79-82)