Purpura fulminans causing acute cortical necrosis in postpartum period.

A 22-year-old woman underwent normal vaginal delivery; 3 days later, she developed fever and rashes over all four limbs followed by decreased urine output. Examination revealed pedal oedema, non-palpable purpuric lesions over extremities with erosions at few places, and blackish discolouration of second and third toe of right foot (figure 1A). On investigation, haemoglobin was 6.7 g/dL, white blood cell 26 200/mm3, platelet 39 000/mm3, prothrombin time 25 s (control 12–14 s), activated thromboplastin time 38 s (control 24–30 s) and serum creatinine 9.1 mg/dL. Urine showed albumin 1+. Ultrasound was suggestive …