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J Nephropathol. 2021;10(2): e19.
doi: 10.34172/jnp.2021.19
  Abstract View: 330
  PDF Download: 177

Original Article

Clinicopathological characteristics of lupus nephritis in Thai males

Nun Singpan 1, Ratana Chawanasuntorapoj 2, Boonyarit Cheunsuchon 1 * ORCID logo

1 Department of Pathology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
2 Department of Medicine, Division of Nephrology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
*Corresponding author: Boonyarit Cheunsuchon, Email; boonyarit.che@mahidol.ac.th

Abstract

Introduction: Lupus nephritis (LN) is a renal manifestation of systemic lupus erythematosus (SLE), an autoimmune disease more common in females. Clinicopathological manifestations and outcomes of LN in males are uncertain.

Objectives: To assess and compare clinicopathological manifestations and outcomes of males and females with LN. Patients and Methods: Patients with LN were identified from database (male 94, female 344). Clinical manifestations, laboratory data, renal histopathology and outcome were retrieved and compared.

Results: Compared to females, males were more likely to present with rapidly progressive glomerulonephritis (RPGN) (21.3% versus 11.6%, P = 0.026) and low-serum complement (76.6% versus 63.7%, P = 0.019). While asymptomatic hematuria and/or proteinuria was the second most common clinical manifestation in females (40%), no males presented with this manifestation. Although LN class IV was most common in both groups, males were more likely to have LN class IV with most severe form of renal manifestation than females (50% versus 38.7%, P = 0.048). Males showed tendency for poorer renal survival, but without statistical significance.

Conclusion: Males with LN had more severe clinicopathological manifestations than females. Clinicians should be aware of SLE with LN in males in order to make timely diagnosis and treatment.

Keywords: Systemic lupus erythematosus, Lupus nephritis, Gender, Clinical manifestation, Renal histopathology, Outcome
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Submitted: 19 Jul 2020
Accepted: 08 Oct 2020
ePublished: 30 Oct 2020
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