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Sánchez-Dalmau BF, Spencer F, Sánchez-Vela L, Camós-Carreras A, Nogué Xarau S, Fernández-Valencia JA. Visual impairment induced by prosthetic cobaltism. ARCHIVOS DE LA SOCIEDAD ESPAÑOLA DE OFTALMOLOGÍA 2020; 96:316-320. [PMID: 34092285 DOI: 10.1016/j.oftale.2020.06.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 06/18/2020] [Indexed: 11/19/2022]
Abstract
The case of a 68-year-old patient with visual loss secondary to prosthetic cobaltism is reported. The degeneration of the metallic hip prosthesis can produce a systemic absorption of cobalt with cardiac, neurological, endocrine, auditory, and visual manifestations. The diagnostic suspicion is confirmed by serum cobalt measurements. Treatment with early surgery and chelating agents can lead to improvement of the visual, and the other disorders.
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Affiliation(s)
| | - F Spencer
- Institut Clínic d'Oftalmología, Hospital Clínic, Barcelona, Spain
| | - L Sánchez-Vela
- Servicio de Oftalmología, Hospital Universitari Vall d'Hebrón, Barcelona, Spain
| | - A Camós-Carreras
- Institut Clínic d'Oftalmología, Hospital Clínic, Barcelona, Spain
| | - S Nogué Xarau
- Servicio de Toxicología de Urgencias, Hospital Clínic, Barcelona, Spain
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Galindo-Bocero J, Macías-Franco S, García-González N, Valles-Antuña C, Hernando Acero I, Rozas-Reyes P. Diagnosis of an X-linked type 2 congenital stationary night blindness using electroretinography and CACNA1F sequencing. ARCHIVOS DE LA SOCIEDAD ESPANOLA DE OFTALMOLOGIA 2020; 95:607-610. [PMID: 32680768 DOI: 10.1016/j.oftal.2020.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/31/2020] [Accepted: 06/02/2020] [Indexed: 06/11/2023]
Abstract
A 4-year-old boy, with no history of relevance, presented with bilateral visual impairment, more so in scotopic conditions, and did not improve with optical correction. No significant funduscopic abnormalities were seen, leading to a suspicion of retinal dystrophy. Sequencing of the CACNA1F gene detected the c.3081C>A (p.Tyr1027Ter) mutation, which had occurred de novo in the patient's mother. This mutation, in the aforementioned clinical context, and with a compatible electronegative pattern, establishes the diagnosis of X-linked type 2 congenital stationary night blindness. Electrophysiology and genetic testing should be part of the diagnostic protocol for any unexplained loss of vision in children. The description, nomenclature and classification of hereditary retinal dystrophies based on their genotypic and electroretinograpic characteristics, avoids diagnostic errors due to their usual clinical and phenotypic overlap.
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Affiliation(s)
- J Galindo-Bocero
- Servicio de Oftalmología, Fundación Hospital de Jove, Gijón, Asturias, España.
| | - S Macías-Franco
- Servicio de Oftalmología, Hospital Universitario Central de Asturias, Oviedo, Asturias, España
| | - N García-González
- Unidad de Genética, Área de Gestión Clínica de Pediatría, Hospital Universitario Central de Asturias, Oviedo, Asturias, España
| | - C Valles-Antuña
- Servicio de Neurofisiología Clínica, Hospital Universitario Central de Asturias, Oviedo, Asturias, España
| | - I Hernando Acero
- Unidad de Genética, Área de Gestión Clínica de Pediatría, Hospital Universitario Central de Asturias, Oviedo, Asturias, España
| | - P Rozas-Reyes
- Servicio de Oftalmología, Hospital Universitario Central de Asturias, Oviedo, Asturias, España
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Pereira F, Matieli L, Sacai PY, Salomão SR, Jung LS, Berezovsky A. Electrophysiological findings in delayed discovery of a metallic intraocular foreign body in a child: case report. Doc Ophthalmol 2019; 139:227-234. [DOI: 10.1007/s10633-019-09708-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 06/28/2019] [Indexed: 12/17/2022]
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Strupaitė R, Ambrozaitytė L, Cimbalistienė L, Ašoklis R, Utkus A. X-linked juvenile retinoschisis: phenotypic and genetic characterization. Int J Ophthalmol 2018; 11:1875-1878. [PMID: 30450322 DOI: 10.18240/ijo.2018.11.22] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 03/28/2018] [Indexed: 11/23/2022] Open
Abstract
Juvenile X-linked retinoschisis (XLRS, MIM#312700) belongs to a group of the vitreoretinal dystrophies. We aimed to describe the phenotype-genotype correlation of three XLRS cases in juveniles with different novel mutations from the Lithuanian population. The patients demonstrated macular retinoschisis and typical cyst-like cavities on spectral-domain optical coherence tomography (SD-OCT) images. The mean central foveal thickness was 569.7 µm. Two patients presented with peripheral retinoschisis. Flash electroretinogram demonstrated a reduced b/a ratio (<1.0) in all patients. RS1 (NM_000330.3) gene coding exons Sanger sequencing was performed. RS1 c.599G>T (p.R200L) mutation was detected in one case, showing to be pathogenic in silico analysis. c. (92_97) insC (p.W33fs) mutation was identified for another patient, indicating the variant is possibly damaging in silico analysis. The third case was identified with a pathogenic mutation c.422C>G (p.R141H), HGMD CM981753. These are the first cases of XLRS in the Lithuanian population confirmed by molecular genotyping. Presented patients had a different genotype but similar phenotypic traits.
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Affiliation(s)
- Rasa Strupaitė
- Center of Eye Diseases, Clinic of Ear, Nose, Throat, and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius LT-01513, Lithuania
| | - Laima Ambrozaitytė
- Department of Human and Medical Genetics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius LT-01513, Lithuania.,Center for Medical Genetics, Vilnius University Hospital Santaros Klinikos, Vilnius LT-08661, Lithuania
| | - Loreta Cimbalistienė
- Department of Human and Medical Genetics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius LT-01513, Lithuania.,Center for Medical Genetics, Vilnius University Hospital Santaros Klinikos, Vilnius LT-08661, Lithuania
| | - Rimvydas Ašoklis
- Center of Eye Diseases, Clinic of Ear, Nose, Throat, and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius LT-01513, Lithuania
| | - Algirdas Utkus
- Department of Human and Medical Genetics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius LT-01513, Lithuania.,Center for Medical Genetics, Vilnius University Hospital Santaros Klinikos, Vilnius LT-08661, Lithuania
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Grande-Martín A, Pardal-Fernández JM. Considerations on the negative electroretinogram. ARCHIVOS DE LA SOCIEDAD ESPANOLA DE OFTALMOLOGIA 2018; 93:e45-e46. [PMID: 29500123 DOI: 10.1016/j.oftal.2018.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 01/03/2018] [Indexed: 06/08/2023]
Affiliation(s)
- A Grande-Martín
- Unidad de Neurofisiología, Servicio de Neurología, Hospital Universitario General de Albacete, Albacete, España.
| | - J M Pardal-Fernández
- Unidad de Neurofisiología, Hospital Universitario General de Albacete, Albacete, España
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