Answers are grounded in this paper and cite their sources.
✓ A rare case of spontaneous subarachnoid hemorrhage from an extramedullary upper thoracic astrocytoma is described. The differential diagnosis between cranial and spinal spontaneous subarachnoid hemorrhage is discussed.
No takes yet. Share an insight, caveat, or question.
Runnels et al. (1974) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: