Primary myelofibrosis with thrombophilia as first symptom combined with thalassemia and Gilbert syndrome: A case report

Figure 1 Magnetic resonance venography and digital subtraction angiography images. A and B: The left sigmoid sinus and the left transverse sinus are not obviously visualized, nor are the right and right venous ends of the superior sagittal sinus; C and D: The abnormal signal in the left sigmoid sinus and transverse sinus and abnormal enhancement indicate venous sinusitis and thrombosis.