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Archivos de la Sociedad Española de Oftalmología (English Edition) Ophthalmologic management in KID syndrome: Long-term clinical experience
Journal Information
Vol. 100. Issue 10.
Pages 625-629 (October 2025)
Vol. 100. Issue 10.
Pages 625-629 (October 2025)
Clinical case
Ophthalmologic management in KID syndrome: Long-term clinical experience
Manejo oftalmológico en el síndrome de KID: experiencia clínica a largo plazo
R. Estévez-Domíngueza,
Corresponding author
, C. Rocha-de-Lossadaa,b,c,d, M. Rodríguez-Calvo-de-Moraa,b,c, J. Etxebarria-Ecenarroe,f, J. García-Montesinos-Gutiérreza,g
a Hospital Regional Universitario de Málaga, Málaga, Spain
b Vithas Málaga, Málaga, Spain
c Qvision, VITHAS Hospital, Almería, Spain
d Área de Oftalmología, Departamento de Cirugía, Universidad de Sevilla, Sevilla, Spain
e Instituto de Investigación Sanitaria (IIS) Biobizkaia, Departamento de Oftalmología, Hospital Universitario de Cruces, Barakaldo, Spain
f Departamento de Biología Celular e Histología, Universidad del País Vasco (UPV/EHU), Leioa, Spain
g Grupo MIRANZA, Málaga, Spain
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Abstract

Keratitis-ichthyosis-deafness (KID) syndrome is a rare disease caused by mutations in the GJB2 gene. This gene encodes the protein connexin 26, which is essential for gap junctions in the epidermis, inner ear and corneal epithelium. Clinically, it is characterised by dermal hyperkeratotic lesions, sensorineural deafness and chronic keratitis that is difficult to manage. We describe two siblings diagnosed with KID syndrome who were followed up in our department for more than 15 years. Both developed numerous ocular complications associated with chronic keratitis and limbar insufficiency that required multiple keratoplasties, systemic immunosuppression and even keratoprosthesis. This case is noteworthy for the long-term follow-up of this condition and the difficult ocular management, highlighting the importance of a multidisciplinary approach and personalised therapeutic strategies.

Keywords:
KID syndrome
Limbar insufficiency
Cornea
Keratoprosthesis
Resumen

El síndrome de queratitis-ictiosis-sordera (por sus siglas en inglés, KID) es una enfermedad rara causada por mutaciones en el gen GJB2. Este gen codifica la proteína conexina 26, imprescindible en las uniones gap de la epidermis, el oído interno y el epitelio corneal. Clínicamente, se caracteriza por lesiones hiperqueratósicas dérmicas, sordera neurosensorial y queratitis crónica de difícil manejo. Describimos dos hermanos diagnosticados de síndrome de KID en seguimiento en nuestro departamento durante más de quince años. Ambos desarrollaron numerosas complicaciones oculares asociadas a queratitis crónica e insuficiencia limbar que requirieron múltiples queratoplastias, inmunosupresión sistémica e incluso queratoprótesis. Este caso resalta por el seguimiento a largo plazo de esta condición y el difícil manejo a nivel ocular destacando la importancia de un abordaje multidisciplinar y de estrategias terapéuticas personalizadas.

Palabras clave:
Síndrome de KID
Insuficiencia limbar
Córnea
Queratoprótesis

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