Radiology Key

Axilla TERMINOLOGY Definitions • Fat-filled space between upper arm and lateral chest wall IMAGING ANATOMY Extent • Axilla is shaped like a pyramid • Consists of apex, base, and 4 walls  Apex – Bounded…

Groin TERMINOLOGY Abbreviations • Anterior superior iliac spine (ASIS) Definitions • Junctional region between thigh and trunk IMAGING ANATOMY Overview • Incorporates lower abdominal wall, inguinal canal, femoral triangle, and femoral adductor muscles…

Foot Vessels IMAGING ANATOMY Arteries • Dorsalis pedis artery  Dorsal artery of foot  Direct continuation of anterior tibial artery, changing name at ankle joint  Course and relations – Crosses superficial to talocrural…

Median Nerve TERMINOLOGY Abbreviations • Flexor digitorum profundus (FDP) • Flexor digitorum superficialis (FDS) • Flexor carpi ulnaris (FCU) • Flexor pollicis longus (FPL) • Pronator quadratus (PQ) • Palmaris longus (PL) GROSS ANATOMY Arm: Median…

Arm Vessels GROSS ANATOMY Arteries • Brachial artery • Continuation of axillary artery • Extends from lower border of teres major to neck of radius • Accompanies median nerve • Branches of brachial artery in…

Brachial Plexus GROSS ANATOMY Overview • Brachial plexus is neural highway to upper limbs  Formed from C5-T1 roots combining to form 3 trunks, 6 divisions, 3 cords, and 5 terminal branches…

Hip IMAGING ANATOMY Overview • Ball and socket joint with wide range of motion 2nd only to glenohumeral joint Acetabulum • Formed by pubis, ilium, ischium • Oriented anterior, inferior, lateral • Covers >…

Abdominal Wall and Paraspinal Structures TERMINOLOGY Definitions • Abdomen: Region between diaphragm and pelvis GROSS ANATOMY Anatomic Boundaries • Anterior abdominal wall is bounded superiorly by xiphoid process and costal cartilages of…

Radial Nerve TERMINOLOGY Abbreviations • Extensor indicis (EI) GROSS ANATOMY Arm • Radial nerve is largest branch of posterior cord of brachial plexus  Receives contributions from cervical roots C5-C8  Contains motor and…

Hand EXTRINSIC FLEXOR MUSCLES: DIGITS 2-5 Flexor Digitorum Superficialis • Origin: Common flexor tendon origin (medial humeral epicondyle) & midradius • Insertion: Volar plate proximal interphalangeal (IP) joints & bases of middle…