Post COVID-19 vaccination Guillain-Barre syndrome: three cases.

Guillain-Barré syndrome (GBS) is an acute inflammatory polyradiculoneuropathy. In two-thirds of patients, it is preceded by an upper respiratory or gastrointestinal tract infection. Temporally associated cases of GBS following COVID-19 vaccination have been described with different COVID-19 vaccines.

Retrosternal mass: An interesting allergic reaction to intravenous thrombolytic therapy for acute ischemic stroke.

Stroke is an important cause of disability and death worldwide, with the majority of strokes occurring in older people. Thrombolysis with recombinant tissue plasminogen activator (r-TPA) is the approved treatment for acute ischemic stroke. A major concern of physicians, who treat acute ischemic stroke with recombinant tissue plasminogen activator (r-TPA,) is the risk of intracerebral hemorrhage.