Bassett Collection of Stereoscopic Images of Human Anatomy

Radiographs of the brain

Antero-posterior (A-P) pneumoencephalogram

Image #34-6

KEYWORDS: Ventricules, Overview.

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Radiographs of the brain
Antero-posterior (A-P) pneumoencephalogram
This roentgenogram was made with the patient in a supine position. The anterior horns and central parts of the lateral ventricles have been visualized by their content of air. The third ventricle (2) and cerebral aqueduct (1) are also well filled. The cisterns of the lateral fossae (14) are clearly outlined by their content of air. The basal cisterns likewise contain quantities of air but the margins of these spaces are obscured. (These films have been reproduced through the courtesy of Dr. Howard L. Jones of the Palo Alto Hospital.)
1 . Cerebral aqueduct
2 . Third ventricle
3 . Anterior horn lateral ventricle right
4 . Calvaria
5 . Central part lateral ventricle
6 . Orbital part of frontal bone
7 . Outline of petrosal (pyramidal) part of temporal bone
8 . Frontal sinus
9 . Cribriform plate ethmoid bone
10 . Bony nasal septum
11 . Inferior nasal concha
12 . Nasal cavity
13 . Foramen rotundum sphenoid bone
14 . Cistern of lateral cerebral fossa
15 . Mastoid part of temporal bone