Massimiliano Caravello

Severe Refractory Hypotension Following Patent Blue V Injection: A Case of Atypical Perioperative Anaphylaxis

Background and Clinical Significance: Patent Blue V (PBV) is widely used for sentinel lymph node mapping but may rarely cause severe hypersensitivity reactions. These reactions can present atypically, with predominant cardiovascular collapse and minimal cutaneous manifestations,...