Ocular and auditory abnormalities in patients with vitiligo: a case-control study. 2021

R Genedy, and S Assal, and A Gomaa, and B Almakkawy, and A Elariny
Department of Dermatology and Venereology, Faculty of Medicine, Alexandria University, Alexandria, Egypt.

BACKGROUND Vitiligo is characterized by the destruction of functional melanocytes in the skin. This destruction can target melanocytes anywhere in the body, in turn affecting the function of the organs in which the affected melanocytes reside. Melanocytes in the skin, uveal tract and ear are similar in their physiology and morphology, and share a common embryological origin. OBJECTIVE To study the association of vitiligo with ocular and auditory abnormalities. METHODS This case-control study was carried out on 40 patients with vitiligo and 20 healthy controls (HCs). All patients and HCs underwent auditory examination (otoscopic examination and immittance audiometry to assess middle ear pressure and exclude tympanic membrane perforation; pure tone audiometry to assess peripheral hearing sensitivity; and transient evoked otoacoustic emissions to assess central hearing ability) and standard ocular examination including visual acuity test, slit lamp biomicroscopy and optical coherence tomography. RESULTS Compared with controls, there was a significantly higher prevalence of hearing loss and ocular abnormalities in patients with vitiligo but no significant difference in visual acuity. CONCLUSIONS Vitiligo is a systemic disease that can be associated with impairment of melanocyte function organs other than the skin, including the eyes and ears. The function of auditory melanocytes is related to the hearing process and thus their destruction could lead to hearing impairment. By contrast, ocular melanocytes do not play a direct role in detection or transfer of visual information, and thus should not affect vision. Vitiligo may be associated with ocular abnormalities and hearing loss.

UI MeSH Term Description Entries
D008297 Male Males
D008544 Melanocytes Mammalian pigment cells that produce MELANINS, pigments found mainly in the EPIDERMIS, but also in the eyes and the hair, by a process called melanogenesis. Coloration can be altered by the number of melanocytes or the amount of pigment produced and stored in the organelles called MELANOSOMES. The large non-mammalian melanin-containing cells are called MELANOPHORES. Melanocyte
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010859 Pigmentation Disorders Diseases affecting PIGMENTATION, including SKIN PIGMENTATION. Incontinentia Pigmenti Achromians,Ito Syndrome,Schamberg's Disease,Schamberg Disease,Disease, Schamberg,Disease, Schamberg's,Disorder, Pigmentation,Disorders, Pigmentation,Pigmentation Disorder,Schambergs Disease,Syndrome, Ito
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005128 Eye Diseases Diseases affecting the eye. Eye Disorders,Eye Disease,Eye Disorder
D005260 Female Females
D006319 Hearing Loss, Sensorineural Hearing loss resulting from damage to the COCHLEA and the sensorineural elements which lie internally beyond the oval and round windows. These elements include the AUDITORY NERVE and its connections in the BRAINSTEM. Deafness Neurosensory,Deafness, Neurosensory,Deafness, Sensoryneural,Neurosensory Deafness,Sensorineural Hearing Loss,Sensoryneural Deafness,Cochlear Hearing Loss,Hearing Loss, Cochlear,Deafnesses, Neurosensory,Deafnesses, Sensoryneural,Neurosensory Deafnesses,Sensoryneural Deafness,Sensoryneural Deafnesses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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