Joints

Question 1

Monoarthritis

Answer 1

Trauma, OA, crystal-induced, RA, pyogenic arthritis, TB, PVNS, Neurogenic arthropathy, synovial chondromatosis, amyloidosis

Question 2

Arthritis with osteoporosis

Answer 2

RA, JIA, SLE, pyogenic arthritis, TB, Reactive arthritis, scleroderma, hemophilia

Question 3

Arthritis with normal bone density

Answer 3

OA, CPPD, gout, Ps A, AS, Reactive arthritis, PVNS

Question 4

Arthritis with periosteal reaction

Answer 4

JIA, Reactive arthritis, pyogenic, RA, hypertrophic osteoarthropathy, hemophilia, AIDS

Question 5

Arthritis with preserved/widened joint space

Answer 5

Early infection/inflammation, Ps A, acromegaly, Gout, PVNS

Question 6

Arthritis with soft tissue nodule

Answer 6

Gout, RA, PVNS, MCRH, amyloidosis, sarcoidosis

Question 7

Arthritis mutilans

Answer 7

RA, JIA, Ps A, diabetes, leprosy, neuropathic arthropathy, reactive arthritis

Question 8

Diffuse terminal phalangeal sclerosis

Answer 8

RA, scleroderma, SLE, sarcoidosis, sickle cell, Werner syndrome

Question 9

Calcified loose body in a joint

Answer 9

Detached osteophyte, osteochondral fracture, osteochondral dissecans, neuropathic arthropathy, SCM

Question 10

Chondrocalcinosis

Answer 10

CPPD, HPT, hemochromatosis, alkaptonuria, acromegaly, gout, wilson

Question 11

Bilateral symmetrical sacroiliitis

Answer 11

AS/EA, Ps A, OCI, HPT, paraplegia

Question 12

Bilateral Asymmetrical sacroiliitis

Answer 12

Reactive arthritis, Ps A, Gout, OA

Question 13

unilateral sacroiliitis

Answer 13

Infection

Question 14

Acetabular protrusion

Answer 14

RA, osteoporosis/malacia, Paget, AS, OA, Ps A, trauma, familial, Marfan

Question 15

Widened symphysis pubis

Answer 15

Acquired (Pregnancy, trauma, osteitis pubis, lytic mets, infection, AS, RA, HPT), congenital (prune belly, Goltz, achondroplasia, bladder exstrophy)

Question 16

Coxa magna

Answer 16

Developmental dysplasia of the hip, Perthes, septic arthritis

Question 17

Coxa plana

Answer 17

AVN

Question 18

Coxa valga

Answer 18

Development (Neuromuscular, abductor, CCD, diaphyseal aclasis, Hunter, multiple enchondromatosis, diastrophic dwarf), inflammatory (JIA or poliomyelitis), traumatic femoral neck fracture

Question 19

Coxa vara

Answer 19

Developmental (DDH, FD, CCD, multiple epiphyseal dysplasia, OI, Proximal femoral focal deficiency), RA, SCFE, femoral neck fracture, Perthes, Renal osteodystrophy, Ricket, Paget

Question 20

Widened intercondylar notch

Answer 20

JIA, hemophila, Ps A, TB, RA