To report a rare case of Type B insulin resistance (TBIR) in a young Hispanic woman and analyze its clinical presentation and management.
Key Findings:
The patient exhibited extreme insulin resistance with insulin requirements exceeding 5,000 units per day.
Adjunctive therapy with metformin and semaglutide significantly reduced insulin requirements.
Immunosuppressive treatment with rituximab and azathioprine led to complete discontinuation of insulin within one week.
Laboratory findings included elevated C-peptide and positive insulin receptor antibodies.
Interpretation:
This case highlights the complex immunopathophysiology of TBIR, demonstrating a biphasic glycemic course with both hyperglycemia and hypoglycemia, emphasizing the need for tailored management strategies.
Limitations:
The case is a single report and may not be generalizable to all patients with TBIR.
Long-term outcomes and the effectiveness of the treatment regimen require further study.
More diverse case studies are needed to enhance generalizability.
Conclusion:
This case emphasizes the importance of early diagnosis and individualized treatment in TBIR, showcasing the potential role of GLP-1 receptor agonists in managing insulin requirements, and the critical role of continuous glucose monitoring.
Metabolomics analysis identified higher uric acid levels in patients with lipedema and lymphedema, although associations weakened following adjustment for renal insufficiency.
