Sneddon's syndrome concurrent with cerebral venous sinus thrombosis: A case report

Figure 1 The lesions typically present as irregular, bordered, and ring-shaped bluish-purple patterns. A: Limbs; B: Hands; C: Face.

Figure 2 Digital subtraction angiography. A: The upper sagittal sinuses, lower sagittal sinuses, and straight sinuses were light, and bilateral sigmoid sinuses were tortuous; B: Bilateral cortical veins are extensively tortuous and thickened.

Figure 3 Skin biopsy (hematoxylin-eosin staining). A: Epidermal hyperkeratosis; B: Subcutaneous chronic inflammatory cell infiltration.