Pseudo-hyaloidal Stalk in Anterior Persistent Fetal Vasculature: A Report of Two Cases

Persistent fetal vasculature (PFV) syndrome is characterized by abnormal regression of the fetal hyaloid system and may occur in various forms. In this report, two atypical cases associated with posterior capsular defect and ectopic lens material located along Cloquet's canal are discussed. Ult...

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Bibliographic Details
Published in:	Turk oftalmoloji gazetesi Vol. 51; no. 6; pp. 407 - 411
Main Authors:	Özdemir Zeydanlı, Ece, Tefon, Atike Burçin, Atalay, Hatice Tuba, Özdek, Şengül
Format:	Journal Article
Language:	English
Published:	Turkey Galenos Yayinevi Tic. Ltd 01-12-2021 Türk Oftalmoloji Derneği Galenos Publishing Galenos Yayinevi
Subjects:	anatomical variation Case Report Cataract Cataract - diagnosis Cataract Extraction cloquet’s canal congenital cataract Genetic disorders Humans persistent fetal vasculature persistent hyperplastic primary vitreous Persistent Hyperplastic Primary Vitreous - diagnosis Persistent Hyperplastic Primary Vitreous - surgery Tıp Ultrasound imaging Vitreous Body İstanbul Türkiye persistent hyperplastic primary vitreous persistent fetal vasculature Cloquet’s canal Congenital cataract anatomicalvariation anatomical variation
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Summary:	Persistent fetal vasculature (PFV) syndrome is characterized by abnormal regression of the fetal hyaloid system and may occur in various forms. In this report, two atypical cases associated with posterior capsular defect and ectopic lens material located along Cloquet's canal are discussed. Ultrasonography of these patients presenting with bilateral total cataracts revealed a hyaloidal stalk extending from the optic nerve head to the retrolental area. During lensectomy, it was observed that lens particles were moving anteriorly from the central mid-vitreous to the aspiration port and that the posterior capsule was developmentally defective. There was no pathological vascular remnant, rather the lens material partially filled Cloquet's canal through the opening in the posterior capsule and created a pseudo-stalk appearance on the preoperative ultrasonography. We aim to discuss possible mechanisms underlying these cases, which may help to improve our understanding of the PFV spectrum.
Bibliography:	ObjectType-Case Study-2 SourceType-Scholarly Journals-1 ObjectType-Feature-4 content type line 23 ObjectType-Report-1 ObjectType-Article-3
ISSN:	1300-0659 2149-8695 2149-8709 2147-2661
DOI:	10.4274/tjo.galenos.2021.12524