Thoracic Inlet Anatomy
Introduction The thoracic inlet (also called the superior thoracic aperture) is the opening at the top of the thoracic cavity, through which major vascular, respiratory, lymphatic, and neural structures pass…
CERVICAL FASCIAL SPACES ON CT AND MRI
Introduction The neck contains multiple potential spaces formed by the layers of deep cervical fascia. These fascial spaces act as natural boundaries for the spread of infection, tumors, or fluid…
Orbit & Optic Nerve Cross-Section
Introduction The orbit is a pyramidal cavity in the skull that houses the eyeball (globe), optic nerve, extraocular muscles, vessels, nerves, and supporting connective tissue.A cross-sectional understanding of orbital anatomy…
Circle of Willis anatomy
Introduction The Circle of Willis is a arterial anastomotic ring located at the base of the brain, which connects the anterior and posterior cerebral circulations. Plays a critical role in…
Brain Cross-Section at the Level of Basal Ganglia
1. Introduction The basal ganglia level is an important horizontal section of the brain seen on CT and MRI.It lies above the brainstem and below the centrum semiovale, at the…