Hiding in Plain Sight-Relapsing Polychondritis Disguised As Hip Arthritis: A Case Report and Literature Review

Overview

Journal Immun Inflamm Dis

Specialties Allergy & Immunology
Infectious Diseases

Date 2025 Feb 14

PMID 39950542

Authors

Zhanxia Li

Tao Ren

Affiliations

Soon will be listed here.

Abstract

Background: Relapsing polychondritis (RP) is a rare autoimmune disorder characterized by episodic inflammation of cartilaginous tissues. Its diverse clinical manifestations frequently pose diagnostic challenges and lead to misdiagnosis.

Methods: We present a 59-year-old female initially diagnosed with refractory hip osteoarthritis based on persistent left hip pain unresponsive to conventional anti-inflammatory therapy. Subsequent development of stridor and dyspnea prompted comprehensive evaluation, including laryngotracheal imaging, autoimmune serology, and multidisciplinary consultation. Diagnostic criteria for RP were applied in accordance with revised Michet criteria.

Results: Tracheal stenosis secondary to tracheal chondritis and iritis were identified, confirming the diagnosis of RP. Following initiation of corticosteroid therapy, the patient exhibited marked clinical improvement.

Conclusion: This case underscores the importance of enhanced clinical awareness regarding atypical presentations of RP, particularly when accompanied by evolving systemic symptoms. A multidisciplinary diagnostic approach is advocated to facilitate early detection and improve patient outcomes.

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