Mast Cell Activation Syndrome Mimicking Breast Cancer: Case Report With Pathophysiologic Considerations.

This case report discusses an example where Mast Cell Activation Syndrome (MCAS) presented with symptoms that closely mimicked those of breast cancer, highlighting the complexities involved in diagnosing MCAS. It explores the pathophysiological mechanisms that might cause such presentations, emphasizing how the disorder's wide-ranging symptoms and its impact on various organ systems can lead to diagnostic challenges and potential misdiagnosis. The document underlines the importance for clinicians to be aware of such overlapping symptoms in order to avoid unnecessary interventions and to offer more targeted treatments. This report contributes to a growing recognition of MCAS's diverse symptomatology and its capacity to imitate other serious conditions, urging a careful and comprehensive diagnostic approach.