This is an acute renal infarction.Note the wedge shape of this zone of coagulative necrosis resulting from loss of blood supply with resultant tissue ischemia that produces the pale infarct.

• 急性肾梗死，属凝固性坏死，坏死区域呈楔形，是由于组织血供减少引起缺血，终而产生灰白的梗死区。