Confidence votes 11. According to Wikipedia, the width of the Atlantic Ocean at its narrowest point is 2,848 kilometers (1,770 mi) between Brazil and Sierra Leone.
Paroxysmal nocturnal hemoglobinuria or PNH is a rare and chronic disease that results in an abnormal breakdown of red blood cells. PNH is due to a spontaneous genetic mutation that causes red blood cells to be deficient in a protein, leaving them fragile.
Bilateral posterior PNH is a cortical malformation entity showing a spectrum of disordered brain development and is distinct from classic bilateral PNH due to not only the location of the nodules but also to the common occurrence of malformations of other brain structures and the absence of mutations in the FLNA gene.