The patient died 3 days after a negative intracranial exploration. The process had also invaded the adjacent cranial nerves. Hunt et al. Pain may precede the ophthalmoplegia by several days, or may not appear until some time later. The symptoms last for weeks or months.
Spontaneous remission occurs, sometimes with residual neurologic deficit.
Attacks recur at intervals of months or years. Hunt et al. This process is characterized by proliferation of fibroblasts and by infiltration of the septa and wall of the sinus with lymphocytes and plasma cells. There is no necrosis, and no polymorphonuclear cells are present. No fibrinoid collagen degeneration is observed.