To report a rare case of undifferentiated connective tissue disease (UCTD)-associated fulminant myocarditis presenting with isolated diplopia as the sole initial manifestation, highlighting its rarity.
Key Findings:
Isolated diplopia as the sole initial manifestation of UCTD-associated fulminant myocarditis is exceedingly rare, emphasizing the need for awareness among clinicians.
Endomyocardial biopsy is crucial for guiding treatment in autoimmune myocarditis, as it provides definitive diagnosis.
Premature tapering of corticosteroids can lead to rapid relapse, underscoring the importance of careful management.
Interpretation:
The case highlights the diagnostic challenges of atypical presentations in UCTD and the critical importance of adequate corticosteroid dosing and slow tapering to prevent relapse.
Limitations:
The study is based on a single case report, limiting generalizability and the ability to draw broader conclusions.
Lack of formal clinical practice guidelines for UCTD complicates treatment approaches and may lead to variability in management.
Conclusion:
The patient remained in remission at three-year follow-up, with complete resolution of diplopia and normalization of cardiac enzyme profile, reinforcing the need for vigilance in recognizing atypical presentations.
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