Myasthenia gravis: case reportA 68-year-old woman developed myasthenia gravis (MG) during treatment with pembrolizumab for triple-negative breast cancer. The woman, who had triple-negative breast cancer, started receiving unspecified chemotherapy and pembrolizumab [route and dosage not stated]. She presented to hospital after being found down at home. Initially, she was treated for sepsis with respiratory compromise due to methicillin-susceptible Staphylococcus aureus pneumonia. However, her treatment course was complicated by thrombocytopenia, acute kidney injury and reintubation due to weakness. A neurology consultation was sought in the setting of pembrolizumab-induced myasthenia gravis [duration of treatment to reaction onset not stated].The woman was treated with unspecified steroids, immune-globulin [IVIG], mestinon and plasmapheresis with rapid improvement. Subsequently, she was extubated and physical therapy was started. Eventually, she was discharged to rehab.