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Revista Colombiana de Reumatología (English Edition) Cutaneous spectrum of lupus erythematosus: A cohort of patients from a referral-...
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Vol. 32. Issue 3.
Pages 231-235 (July - September 2025)
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Vol. 32. Issue 3.
Pages 231-235 (July - September 2025)
Original Investigation
Cutaneous spectrum of lupus erythematosus: A cohort of patients from a referral-center in Colombia
Espectro cutáneo del lupus eritematoso: cohorte de pacientes de un centro de referencia en Colombia
Verónica Noguera-Castroa, Claudia-Lorena Cano-Cuadrosa, Mariana Botero-Varóna, Daniela Marín-Acevedoa, Omar-Javier Calixtob,c,d,
Corresponding author
calixto.oj@gmail.com

Corresponding author.
, Juan-Manuel Bello-Gualterob,c, Consuelo Romero-Sánchezc,d
a Dermatology Deparment, Hospital Militar Central, Bogota, Colombia
b Clinical Immunology Group, Rheumatology and Immunology Deparment, Hospital Militar Central, Bogota, Colombia
c Clinical Immunology Group, School of Medicine, Universidad Militar Nueva Granada, Bogota, Colombia
d Cellular and Molecular Immunology Group/INMUBO, Universidad El Bosque, Bogota, Colombia
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Abstract
Introduction

To date, few epidemiological studies compare the incidence and prevalence of systemic lupus erythematosus (SLE) and isolated cutaneous lupus erythematosus (CLE). The information is even more scarce in Latin America. The aim of this study is to describe the phenotype of CLE in a reference center in Colombia.

Materials and methods

A retrospective cross-sectional study was carried out. SLE was confirmed according to EULAR/ACR 2019 classification criteria and patients were simultaneously evaluated in the rheumatology and dermatology clinics. A descriptive and bivariate analysis was carried out. The institutional committee approved the study.

Results

Thirty participants were diagnosed with SLE and CLE. Most patients were female (83.3%), with a mean age of 37±13 years. Chronic CLE was the most prevalent subtype (46.7%), followed by acute (30%) and subacute (16.7%) CLE. There were statistically significant differences when comparing acute CLE and reduced C4 (p=.032); in subacute CLE and interstitial lung disease (p=.010); and in lymphopenia (p=.012) and thrombocytopenia (p=.046). Finally, there was a difference in patients with chronic CLE and the use of topical corticosteroid (p=.026), methotrexate (p=.036), and SLEDAI>3 points (p=.025).

Conclusion

This study provides valuable insights into the phenotypic characteristics and associations of CLE with systemic manifestations in the Colombian population, contributing to the understanding and managing of this complex autoimmune disease.

Keywords:
Systemic lupus erythematosus
Cutaneous lupus
Colombia
Resumen
Introducción

Hasta la fecha, pocos estudios epidemiológicos comparan la incidencia y la prevalencia del lupus eritematoso sistémico (LES) y el lupus eritematoso cutáneo (LEC) aislado, con información aún más escasa en Colombia.

Objetivo

El objetivo de este estudio es describir el fenotipo del LEC en un centro de referencia en América Latina.

Materiales y métodos

Se realizó un estudio transversal retrospectivo. Los pacientes tuvieron confirmación de LES según los criterios de clasificación EULAR/ACR 2019 y fueron evaluados simultáneamente en las clínicas de reumatología y dermatología. Se realizó un análisis descriptivo y bivariado. El comité institucional aprobó el estudio.

Resultados

A 30 participantes se les diagnosticó LES y LEC. La mayoría eran mujeres (83,3%), con una edad media de 37±13 años. El LEC crónico fue el subtipo más prevalente (46,7%), seguido del LEC agudo (30%) y subagudo (16,7%). Hubo diferencias estadísticamente significativas al comparar LEC agudo y C4 reducido (p=0,032); LEC subagudo y enfermedad pulmonar intersticial (p=0,010), y en linfopenia (p=0,012) y trombocitopenia (p=0,046). Finalmente, hubo diferencia en pacientes con LEC crónico y el uso de corticoides tópicos (p=0,026), metotrexato (p=0,036) y SLEDAI >3puntos (p=0,025).

Conclusión

Este estudio proporciona información valiosa sobre las características fenotípicas y las asociaciones del LEC con manifestaciones sistémicas en la población colombiana, contribuyendo así a la comprensión y el manejo de esta compleja enfermedad autoinmune.

Palabras clave:
Lupus eritematoso sistémico
Lupus cutáneo
Colombia

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