1942
Hemangiopericytomas were first described in 1942 and initially thought to be a vascular neoplasm related to smooth muscle perivascular cells known as pericytes 1).
Evans index, was introduced by William A. Evans in 1942 2).
Publications
Greenwood J Jr. Two point coagulation: a follow-up report of a new technic and instrument for electrocoagulation in neurosurgery. Arch Phys Ther. 1942 Sep;23(9):552-4. PubMed PMID: 12336540 3).
Stern K. Thalamo-frontal projection in man. J Anat. 1942 Apr;76(Pt 3):302-7. PubMed PMID: 17104898; PubMed Central PMCID: PMC1252691 4).
1)
Stout AP, Murray MR. HEMANGIOPERICYTOMA: A VASCULAR TUMOR FEATURING
ZIMMERMANN'S PERICYTES. Ann Surg. 1942 Jul;116(1):26-33. PubMed PMID: 17858068;
PubMed Central PMCID: PMC1543753.
2)
Evans WA (1942) An encephalographic ratio for estimating ventricular enlargement and cerebral atrophy. Arch Neurol Psychiatr 47:931. https://doi.org/10.1001/archneurpsyc.1942.02290060069004
3)
Greenwood J Jr. Two point coagulation: a follow-up report of a new technic and
instrument for electrocoagulation in neurosurgery. Arch Phys Ther. 1942
Sep;23(9):552-4. PubMed PMID: 12336540
4)
Stern K. Thalamo-frontal projection in man. J Anat. 1942 Apr;76(Pt 3):302-7.
PubMed PMID: 17104898; PubMed Central PMCID: PMC1252691.