The Surgery of the Skull and Brain :: LIST OF ILLUSTRATIONS

LIST OF ILLUSTRATIONS

THE SURGERY OF
THE SKULL AND BRAIN

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FIGS.	PAGES
?1 and 2. Cranio-cerebral topography	2, 3
?3. The cortical motor and sensory areas	8
?4 and 5. The scalp-tourniquet	14, 15
?6. Cushing’s ‘clips’	18
?7. Hudson’s trephine	20
?8. The hand-trephine	21
?9 and 10. The technique of trephining	22
11-16. Instruments used in trephining	23, 24
17-19. The formation of an osteoplastic flap	26, 27
20. An occipital cephalocele	33
21. A cephalocele over the anterior fontanelle	35
22. An occipital cephalocele	37
23. A depressed birth-fracture	45
24 A and B. A case of depressed birth-fracture, before and after operation	47
25. To illustrate the effects and position of a birth-hÆmorrhage	53
26. The author’s operation for Hydrocephalus internus	64
27. The conversion of Hydrocephalus internus into cephalocele	65
28. Illustrating the lines along which forces received on the vault are transmitted to the base	69
29 A and B. The base of the skull and the base as seen on transillumination	70, 71
30. Plan of the base of the skull	77
31. To illustrate the relation of basic fractures to cranial nerves	81
32-37. The lines pursued by basic fractures	83-8
38 A and B. To illustrate the probable source of profuse hÆmorrhage from the ear	97
39. To show the relation of a typical basic fracture to the middle ear and its adjuncts	103
40 and 41. To show the relation of basic fractures to the petrous bone	104, 105
42. A comminuted fracture of the skull	112
43 A and B. An explosive fracture of the vault of the skull	113
44. A temperature chart illustrating the changes in temperature observed in head-injuries	117
45-48. Intermusculo-temporal cerebral decompression	122, 123
49 A and B. The elevation of a depressed fracture of the vault	131
50 A and B. The inner aspect of the skull and the same seen on transillumination	137
51. To illustrate compression of the brain as produced by an extra-dural hÆmorrhage from the middle meningeal artery	141
52 A and B. The operative treatment of middle meningeal hÆmorrhage