PF4 and Thrombocytopenia: Recent case reports and retrospective analyses have led to the proposal of a new disease category called “new VITT-like disorders”, sharing the clinical and laboratory pathognomonic features of VITT, including thrombocytopenia, catastrophic thrombosis, strikingly increased D-dimer levels, and positivity for platelet-activating anti-PF4 antibodies, but associated with different triggers.