PART Ⅰ．PARA-NASAL SINUSES 17
Experimental Study 17
Anatomical Landmarks 20
Technique 21
Interpretation 24
Pus 26
Polyposis 28
Hyperplasia 28
Lateral View 29
Comparative Study 30
The Deep Sinuses as Sources of Focal Infection 32
Frontal and Maxillary Sinuses 34
Anatomical Experiment 34
Interpretation 34
Use of Iodized Oils for Diagnosis 35
PART Ⅱ．MASTOIDS 109
Anatomical Study 109
Technique 110
Interpretation 113
Mastoiditis 114
Mastoid Abscess 114
Bezold Mastoid 115
Otitis Externa 116
Periostitis of the Mastoid Process 116
Labyrinthitis 117
Acoustic Tumors 117
Infant Mastoid 118
Anatomy 118
Technique 118
Interpretation 119
The Treatment of Infantile Mastoiditis with Small Doses of Roentgenrays 122