Laser speckle flowgraphy in juxtapapillary retinal capillary hemangioblastoma: a case report on natural course and therapeutic effect
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Mizuho Mitamura1,2, Satoru Kase1, Kiriko Hirooka1 and Susumu Ishida1
1 Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
2 Department of Ophthalmology, Teine Keijinkai Hospital, Sapporo, Japan
|Satoru Kase,||email:||[email protected]|
Keywords: juxtapapillary retinal capillary hemangioblastoma; laser photocoagulation; laser speckle flowgraphy; fluorescein angiography; von Hippel-Lindau disease
Received: July 22, 2020 Accepted: September 29, 2020 Published: October 20, 2020
Juxtapapillary retinal capillary hemangioblastoma (JRCH), a benign intraocular vascular tumor, is usually progressive and may lead to severe vision loss due to various complications. We herein present a case of JRCH observed with laser speckle flowgraphy (LSFG) before and after laser photocoagulation (LPC). A 21-year-old Japanese woman underwent LSFG evaluations. Right eye showed an orange-colored tumor consistent with JRCH on the papillomacular bundle, where LSFG showed a mild warm-color blood flow signal. Eight months after the first examination, JRCH in the right eye increased redness with vasodilatation, and the size enlarged, where LSFG showed a stronger warm-color blood flow signal. She underwent direct yellow laser ablation for the JRCH lesion. One week after LPC, JRCH became paler and LSFG eventually depicted a weakened blood flow signal at the same site. In conclusion, non-invasive and reproducible LSFG is a useful tool for assessing not only JRCH activity but also therapeutic effect.
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