Radiology of Arthritis & Related Conditions

Question 1

4 Major Types of Arthritis

Answer 1

1. Non-inflammatory (degenerative)
2. Inflammatory
3. Metabolic
4. Infectious / Septic

Question 2

4 Types of Degenerative / Non-Inflammatory Arthritis

Answer 2

1. DJD / DDD
2. DISH
3. Neurotrophic
4. SCM (synovial chondrometaplasia)

Question 3

7 Types of Inflammatory Arthritis

Answer 3

1. Psoriatic
2. Enteric
3. AS
4. Reiters
5. OCI (osteitis condensens ilii)
6. OP (osteitis pubis)
7. RA

Question 4

3 Types of Metabolic Arthritis

Answer 4

1. Gout
2. HADD
3. CPPD

Question 5

Is the IVD a synovial joint?

Answer 5

no, fibrocartilage

Question 6

Where does degeneration begin in the IVD?

Answer 6

AF fibers

Question 7

Clinical features of DJD

Answer 7

1. Common sites: weight bearing joints and fingers
2. All lab tests are negative

Question 8

Radiographic Hallmarks of DJD

Answer 8

1. non-uniform joint space narrowing
2. osteophytes
3. sclerosis

Question 9

A radiographic sign of DDD in the disc itself. Can be a normal variant in synovial joints.

Answer 9

Vacuum disc sign (aka = phenomena of Knuttsen)

Question 10

AKA for kissing spine syndrome

Answer 10

Baastrup’s Syndrome (interspinous OA)

Question 11

An old person’s diseased hip is called ______

Answer 11

Malum Coxae Senilis

Question 12

Latin word for diseased or evil

Answer 12

Malum

Question 13

Radiographic signs of an old person’s diseased hip

Answer 13

1. non-uniform joint space loss
2. osteophytes
3. sclerosis
4. bone cysts
5. flat femoral head at its superior position

Question 14

DJD of the knee - MC feature and location

Answer 14

Hypertrophy of the tibial spine

Medial knee MC

Question 15

DJD of Ankle & Tarsal Jts

MC feature

Answer 15

Degenerative calcaneal spurs

Question 16

DJD of foot

MC joint involved

Common features

Answer 16

MTP of digit 1 (hallux)

Loss of ROM causes hallux rigidis

DJD causes a bunion and hallux valgus deformity

Question 17

2 AKAs for DISH

Answer 17

1. Forestier’s disease
2. hyperostosis ankylosing senilis (He “has” DISH)

Question 18

What does DISH stand for?

Answer 18

Diffuse

Idiopathic

Skeletal

Hyperostosis

Question 19

Ligament usually affected by DISH?

Answer 19

ALL

Question 20

Clinical features of DISH?

Answer 20

1. Males > females
2. Age > 50
3. associated with Diabetes M
4. No lab findings

Question 21

MC location for DISH?

Answer 21

T spine

Question 22

If DISH occurs in C-spine, possible complications?

Answer 22

1. dysphagia
2. ossification of PLL leading to spinal stenosis = more common in Asians

Question 23

Radiographic Criteria for DISH are:

Answer 23

1. 3 consecutive spinal disc levels (4 vertebral bodies)
2. Non-marginal spondylophytes
3. Non-uniform spondylophytes
4. preservation of disc heights of the bridged sections
5. No ankylosis

Question 24

A radiographic “sign” of DISH

Answer 24

Dripping Candle Wax sign

Question 25

AKA for Neurotrophic Arthropathy

Answer 25

Charcot's joints

Question 26

Disease most commonly associated with Neurotrophic Arthropathy?

Answer 26

Diabetes M. (52%) followed by trauma (48%)

Question 27

MC location for neurotrophic arthropathy?

Answer 27

feet

Question 28

"Signs" of Neurotrophic Arthropathy

Answer 28

Bag of bones Tumbling block vertebra (lumbar spine) Licked Candy stick (shoulder, hip, & foot articulated ends)

Question 29

MC location for Charcot's

Answer 29

Lumbar spine (total disorganization)

Question 30

AKA for synovial chondrometaplasia

Answer 30

Synovial Osteochondromatosis (joint mice)

Question 31

Name the disease (C-spine)

Answer 31

DISH note OPLL as well as ALL

Question 32

Name the disease

Answer 32

Erosive DJD

Question 33

name the disease (L spine)

Answer 33

DISH

Question 34

name the disease (C spine)

Answer 34

DISH

Question 35

Name the disease (T-spine)

Answer 35

DISH

Question 36

Radiographic signs of Psoriatic Arthitis in the spine

Answer 36

Syndesmophytes: 1) Assymetric 2) Non-marginal 3) Unilateral 4) Broad-based Note: exceptions are made for C-spine in 1 & 2 above. It's all about the syndesmophytes

Question 37

Malar Erythema from sun exposure Reversible deformities of fingers and ulna

Answer 37

Systemic Lupus Erythematosus SLE

Question 38

Ulnar deviation of fingers Fibular deviation of toes No joint destruction Joint spaces maintained reversible deviations Follows a Strep infection

Answer 38

Jaccoud's Arthritis

Question 39

name the disease of this young boy

Answer 39

Scleroderma distal tufts reabsorbed "Square-a-derma"

Question 40

name the disease

Answer 40

Scleroderma

Question 41

Triad of digital clubbing, systemic arthritis, periostitis PLUS a major visceral disease (usually bronchogenic carcinoma)

Answer 41

Hypertrophic Osteo-Arthropathy (HOA)

Question 42

The AKA for Hypertrophic OsteoArthritis (HOA) is:

Answer 42

Hypertrophic PULMONARY Osteoarthropathy Pulmonary because of association to bronchogenic carcinomas