Leukocoria is a whitish pupillary reflex resulting from retrolental abnormality. Leukocoria, also known as amaurotic cats eye, is an abnormal white reflection from the retina of the eye. There are many causes of leukorrhea, the usual one being estrogen imbalance. True leukocoria mandates prompt referral to an ophthalmologist as the causes may threaten either vision andor life. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. In our case of a 15monthold girl, one of her parents was a keen photographer and immediately noticed pupilliary abnormalities on digital photography figure a. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Visual acuity screening, preferably performed before four years of. Retinoblastoma is a childhood cancer that is now highly curable. This is an ophthalmologic emergency particularly because of the need to promptly diagnose and treat conditions such as retinoblastoma, glaucoma, retinal detachment and infections. Leukocoria is a white pupil, often caught these days by social media using digital photos. Detection of leukocoria using a soft fusion of expert. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic.
Leukocoria in an offset picture in a healthy eye simon barnard, carolin truckenbrod and alex levit describe a case of photographic trompe loeil anomaly noted in the photograph was an artefact. Pediatric pathologies that have leukocoria as presenting. Leukocoria and the red reflex test leucocoria e teste do reflexo vermelho mirna yae yassuda tamura1, luiz fernando teixeira2 abstract until recently, the ophthalmologic examination of newborns in maternity hospitals was not a priority. Toxocariasis is considered one of the neglected parasitic infections, a group of five parasitic diseases that have been targeted by cdc for public health action image. Ppt retinoblastoma powerpoint presentation free to. Toxocara canis from dogs and, less commonly, toxocara cati from cats. Retinoblastoma is the most feared cause of leukocoria because of its potential to metastasize and cause death. Leukocoria the term leukocoria means white pupil from the greek leukos meaning white and kore meaning pupil and is the name given to the clinical finding of a white pupillary reflex. A stepwise approach to leukocoria american academy of. What is the differential dx what are the features of each condition how do you work the patient up. This discharge can keep occurring for years, in which case it becomes more. Colorimetric and longitudinal analysis of leukocoria in. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Retinoblastoma is the most common primary intraocular tumor in children. Leukocoria or cats eye is a white, pinkwhite, or yellowwhite reflex resulting from any white or light colored intraocular retrolental abnormality mass, membrane, retinal detachment, or retinal storage disease, that reflects incident light back through the pupil towards the observer fig. Neonatal screening for leukocoria pakistan journal of ophthalmology vol. Leukocoria presents in childhood, and is an important alerting sign of intraocular pathology. Leukocoria synonyms, leukocoria pronunciation, leukocoria translation, english dictionary definition of leukocoria.
Leukocoria 1 leukocoria this material will help you understand leukocoria. Authors and disclosures authors catherine achim, md. Detection of leukocoria using a soft fusion of expert classi. Ultrasound images of characteristic findings in leukocoria. Leukocoria can be caused by congenital or acquired eye diseases. Secondarily, a white pupil indicates a severely amblyopiogenic condition, which may be treatable. View and download powerpoint presentations on pupillary reflex ppt. The first sign that is often reported by parents is the appearance of recurrent leukocoria i.
Leukocoria or white pupillary reflex is an abnormal white reflection from the eye. Leukocoria can be caused by abnormalities in the lens eg, cataract, vitreous eg, hemorrhage, or retina eg, retinoblastoma table 1 1,2. Find powerpoint presentations and slides using the power of, find free presentations research about pupillary reflex ppt. Toxocara can be found in the feces of puppies and this. Despite its color, the reflection is related to the familiar redeye effect. Eye for about 4 months, which was noticed by his family members. Leukorrhea may occur during pregnancy and is considered normal when the discharge is thin, white, and relatively odourless.
Leukocoria is the most common presenting sign of intraocular retinoblastoma in developed countries 1. Differential diagnosis of leukocoria and strabismus, first. The asymmetric white pupil light reflex may be noted on photographs, in dimly lit environments by the family, or. Early and accurate detection of eye disorders in children can present a challenge for family physicians. Leukocoria is a medical sign for a number of several conditions. Leukocoria or white pupil is a sign, not a specific disease table 32. Usually, when a light is shone through the iris, the retina appears red to the observer. These lecture notes are sole property of original uploaders. This will require mass education programmes directed at the public at large to sensitise them to the significance of leucocoria, as well as at healthcare workers to teach them to diagnose the disease early and refer patients timeously to the multidisciplinary teams at the existing pous in sa, of which the majority initiated a standardised rb. An infectious cause of leukocoria is nematode endophthalmitis. Leucocoria definition of leucocoria by medical dictionary. Unilateral leucocoria in clinically normal eyes british. Leukocoria resembles eyeshine, but leukocoria can also occur in animals that lack eyeshine because their retina lacks a tapetum lucidum leukocoria is a medical sign for a number of conditions, including coats disease, congenital cataract, corneal scarring, melanoma of the. In particular, leukocoria is the most common presenting sign of retinoblastoma.
Commonly missed diagnoses in the childhood eye examination. The patient, named sakib, age 19 months coming from pirozpur on 23. Here is a practical stepwise approach to aid in differentiating them. We also share information about your use of our site with our social media, advertising and analytics partners. Baixe no formato ppt, pdf, txt ou leia online no scribd. Download as ppt, pdf, txt or read online from scribd. Toxocariasis is the parasitic disease caused by the larvae of two species of toxocara roundworms. However, a number of other conditions may also present with leukocoria, and it is critical to differentiate retinoblastoma from these socalled pseudoretinoblastomas for proper management. Diabetesrelated causes of leukocoria in children list of 38 causes of leukocoria in children this section shows a full list of all the diseases and conditions listed as a possible cause of leukocoria in children in our database from various sources.
American association for pediatric ophthalmology and. This childhood eye disease is caused by ingesting soil or perhaps vegetables contaminated by the parasitic worm, toxocara. Ddx of leukocoria 1 rb 2 phpv 3 toxocara 4 coats 5 cataract 6 rop 7 coloboma 8 rd 9 retinal dysplasia 10 uveitis rb vitreous seeding, uveitis simulating, nvi, pseudohypopion, usually normal. Leukocoria also white pupillary reflex is an abnormal white reflection from the retina of the eye. The pupil changes size depending on lighting conditions. Leukorrhea or leucorrhoea british english is a thick, whitish or yellowish vaginal discharge. Parents may be alerted to the disease when photographs of their child reveal a white pupil leukocoria. More common signs should also be considered suspicious until proved otherwise, such as strabismus, the second most frequent sign of retinoblastoma. Differential diagnosis of leukocoria pdf 1 post published by pediatriceducationmin on january 2, there are many causes of leukocoria in children table 1. Leukocoria in infants is always a danger signal as retinoblastoma, a malignant retinal tumor, is responsible for half of the cases in this age group.
Information and translations of leukocoria in the most comprehensive dictionary definitions resource on the web. White pupil can be associated with a wide range of diseases. Leukocoria greek leucos meaning white and kore meaning pupil, or white pupillary reflex, which can occur due to various ocular conditions. A quantitative definition or scale of leukocoria as it appears during recreational photography has not been established, and the amount of clinical information. Leukocoria 2 free download as powerpoint presentation. Five infants were identified with congenital cataract on routine testing, in a study carried out in israel in 2007200819. Leukocoria definition of leukocoria by the free dictionary. In figure 1, we see two different causes of leukocoria, not to be confused with leukocornea, where the cornea has become opaque. A white pupillary reflex leukocoria in a child requires urgent attention, primarily because in most patients with retinoblastoma it is the first sign noticed. Leucocoria may be caused by cataract, retinal detachment, retinoblastoma and other intraocular abnormalities. This video is designed to give medical students an organized approach to the physical exam finding of leukocoria, or an abnormal red reflex in children.