[Confusion and abdominal pain after COVID-19 vaccination]

Background Vaccine-induced immune thrombotic trombocytopenia (VITT) is a rare phenomenon, that may present with diffuse and atypical symptoms. Case description We present a case of 63 years old female patient with abdominal pain, confusion and tromboctytopenia. CT scan shows sinustrombosis and trombosis of the vena renalis. The diagnosis VITT was confirmed by a positive HIT test. After initiating treatment with immunoglobulines and a non-heparinoid anticoagulans, symptoms improved and platelet count increased. Conclusion This case illustrates that awareness in case of atypical symptoms and a history of vaccination is important to recognize this phenomenon.