LILACS – Literatura Latinoamericana y del Caribe de Ciencias de la Salud | LILACS

Results: 31

Pigment deposits in the retrolental space of Berger: a rare feature of pigment dispersion syndrome?

Rev. bras. oftalmol; 83 (), 2024
ABSTRACT Pigment dispersion syndrome is associated with clinical features such as Krukenberg's spindles, trabecular pigmentation, Scheie's stripe and Zentmayer's ring. Another less common feature of this syndrome is retrolental pigment deposits due to anterior hyaloid detachment or a defect in the Wieger...

Síndrome de Laugier-Hunziker, reporte de un caso y revisión de la literatura
Laugier-Hunziker syndrome, case report and literature review

Rev. ADM; 80 (5), 2023
El síndrome de Laugier-Hunziker (SLH) es un trastorno de hiperpigmentación macular benigno adquirido que se caracteriza por la presencia de máculas hiperpigmentadas policrómicas, de superficie plana, con morfología lenticular oval, de márgenes definidos; parte importante de éste es el desarroll...

Bilateral symmetrical maculopathy and heterochromia in Waardenburg syndrome

Rev. bras. oftalmol; 82 (), 2023
ABSTRACT Waardenburg syndrome is a rare congenital genetic disorder characterized by sensorineural hearing loss and pigmentary abnormalities of the hair, skin, and eyes. Based on the different clinical presentations, it is divided into four subtypes as in WS1 to WS4. This report describes a 15-year-old b...

Bilateral ocular deposit of chlorpromazine

Rev. bras. oftalmol; 81 (), 2022
ABSTRACT Chlorpromazine is a medication widely used in psychiatry for the treatment of psychoses, especially schizophrenia. Since 1964, published articles have been correlating this medication with the appearance of ocular alterations. In this paper, we report the case of a 65-year-old patient with ocula...

Vitiligo in equine: a four-year case study of a roan horse - case report

Vitiligo is a dermatological disease affecting both animals and humans. It is characterized by depigmented macules of varying shape and size, originated from melanocyte destruction. Even though there are some theories tackling causation, disease etiopathology is not yet certain. Moreover, lesion areas ca...

Heterocromia de íris: uma revisão das condições que podem afetar a pigmentação iridiana

Rev. bras. oftalmol; 80 (6), 2021
RESUMO A íris é responsável pela cor dos olhos. Ela ainda realiza o controle da quantidade de luz que penetra no olho pela pupila. Variações nos genes de cada indivíduo, além da quantidade e da qualidade de melanina na íris, determinam a cor dos olhos. A heterocromia é caracterizada por diferenÃ...

Presentación clínica de pigmentación melánica fisiológica
Clinical presentation of physiologic melanin pigmentation

Rev. ADM; 77 (4), 2020
Las pigmentaciones de la cavidad oral son comunes, éstas pueden representar diversas entidades clínicas, desde cambios fisiológicos hasta cambios malignos. Las pigmentaciones en la encía se conocen como pigmentaciones melánicas o melanosis gingival; en la encía se observan como tinciones oscuras oc...

Melanocitosis dérmica adquirida en la mano de un paciente pediátrico

Resumen Introducción: Las melanocitosis dérmicas son un grupo de enfermedades dermatológicas pigmentarias asociadas con la proliferación melanocítica. Se clasifican con base en su número y localización profunda a nivel de la dermis; pueden ser congénitas o adquiridas. Caso clínico: Paciente ...