MI 133 Final: Finger to Advanced Chest

What type of bone is the fingers?

Long bone

PIP

Proximal interphalangeal joint

DIP

Distal interphalangeal joint

MCP

Metacarpophalangeal joint

What is another word for finger(s)?

Phalanx/Phalanges

IP

Interphalangeal joint

What is the tip of the finger called?

Tuft

How should you collimate digits 2-5?

Tuft to metacarpal head

What type of tissue is the IP joint and MCP joint?

Synovial

What type of joint is the IP?

Hinge

What type of joint is the MCP?

Ellipsoidal

What type of movement is the IP joint and MCP joint?

Freely movable

What is this fracture?

Tuft or burst fracture

What are causes of a tuft or burst fracture?

Direct blow or a crash injury, lacerations, hyperextension, hyperflexion, rotation

What are complications of tuft or burst fracture?

Can have joint stiffness, numbness and hypersensitivity, and nail deformities

What type of fracture is this?

Baseball or mallet fracture

What is causes of a baseball or mallet fracture?

Unyielding object strikes the tip of a finger or thumb and forces it to bend further than it is intended to go

What is a complication of a baseball or mallet fracture?

Infection

What type of fracture is this?

Bennetts fracture

What is the cause of a bennetts fracture?

Forced abduction of the first metacarpal

How many sesamoid bones are there per hand?

5

DIP joint

Distal interphalangeal

PIP joint

Proximal interphalangeal

MCP joint

Metacarpophalangeal

IP joint

Interphalangeal

CMC joint

Carpometacarpals

Intercarpals

Connects carpal bones

Radiocarpal joint

Connects radius to carpals

Distal radioulnar joint

Connects radius to ulna

What kind of joint is the IP joint?

Hinge

What kind of joint is the MCP joint?

Ellipsoidal

What kind of joint is the first digit CMC joint?

Saddle

What type of joint is the 2nd-5th digit CMC joints?

Gliding

What type of joint is the distal radioulnar joint?

Pivot

Scaphoid

Lunate

Triquetrum

Pisiform

Hamate

Capitate

Trapezoid

Trapezium

What are the distal carpals?

Trapezium, trapezoid, capitate, and hamate

What are the proximal carpals?

Pisiform, triquetrum, lunate, and scaphoid

How many carpals are there?

8

What is another name for scaphoid?

Navicular

On what images is the trapeziotrapezoid joint space seen?

PA and oblique

Carpal sulcus

Formed by the concave or palmar surface of the carpals

What is the pathway for median nerve and flexor tendons?

Carpal sulcus

What type of joint is the intercarpal joint?

Gliding

What type of joint is the radiocarpal joint?

Ellipsoidal

Rheumatoid Arthritis

Autoimmune disorder which appears primarily as a noninfectious, inflammatory arthritis of small joints of the hands and feet

What type of pathology is rheumatoid arthritis?

Subtractive

Boxer’s Fracture

Transverse fracture of the neck of the 5th metacarpal with anterior angulation of the distal fragment

Chip Fracture

A fracture type found in the hand and foot; an isolated bone fragment, NOT an avulsion fracture

Carpal Tunnel Syndrome

Compression of the median nerve resulting in pain and weakness of the effected hand

Scaphoid (Navicular) Fracture

Most common carpal fracture

At what age do you do a navicular view for a trauma wrist x-ray?

9+

What position do you put the patient in for a navicular view?

Ulnar deviation

How should you angle the tube for navicular view of the wrist?

30 degrees towards the elbow

What is the technique for a PA hand?

66 kVp and 0.7 mAs

What is the technique for a oblique hand?

66 kVp and 0.8 mAs

What is the technique for a lateral hand?

70 kVp abd 1.25 mAs

What should you use to position for a lateral hand?

Fan sponge

What special view is done for a foreign body hand?

Extension lateral

How do you position for a bone age?

Left hand only, PA only

What position/imaging is used for early diagnosis of rheumatoid arthritis?

Norgaard (ball-catchers)

What is the technique for a PA, oblique and navicular wrist?

66 kVp and 0.9 mAs

What is the technique for a lateral wrist?

70 kVp at 1.1 mAs

What is Merrills rule for tube angle of a navicular?

10-15 degress towards the elbow

What is a wrist scaphoid (stecher) view used for?

Diagnosis of navicular/scaphoid fracture

What is RH protocal for a navicular/scaphoid fracture?

Ulnar deviation

What is the wrist tangential carpal canal (gaynor-hart method) view used for?

Early diagnosis of carpal tunnel syndome

What is the RH view of a PA clenched fist used for?

Scapholunate seperation if scapholunate tear is present

body of radius

body of ulna

radial tuberosity

neck of radius

head of radius

olecranon process

coronoid process

trochlear notch

Where does the radial head articulate with ulna?

radial notch

What type of joint is the proximal radioulnar joint?

pivot

What movment does the distal & proximal radioulnar joints allow?

supination and pronation

radial tuberosity

capitulum

lateral epicondyle

olecranon fossa

medial epicondyle

trochlea

coronoid process

What type of joint is the humeroradial and humeroulnar joint?

hinge

Humeroradial joint

the head of the radius articualtes with the capitulum of the humerus

Humeroulnar joint

the trochlear notch of the ulna articulates with the trochlea of the humerus

What does a visualized fat pad mean?

possible fracture

Barton fracture

intraarticular fracture involving dorsal or volar tip of distal radius affecting radiocarpal joint, often with dislocation

what is this fracture?

barton fracture

Colle’s fracture

Transverse fracture through the distal radius with posterior angulation

what is this fracture?

colle’s fracture