PATHOLOGY - LOWER LIMBS

Question 1

fluid-filled cyst with a wall of fibrous tissue

Answer 1

Bone cyst

Question 2

abnormal twisting of the foot, usually inward and downward

Answer 2

Congenital clubfoot

Question 3

displacement of a bone from the joint space

Answer 3

Dislocation

Question 4

disruption in the continuity of bone

Answer 4

Fracture

Question 5

avulsion fracture of the medial malleolus with loss of the ankle mortise

Answer 5

Pott’s

Question 6

avulsion fracture of the base of the fifth metatarsal

Answer 6

Jones

Question 7

hereditary form of arthritis in which uric acid is deposited in joints

Answer 7

Gout

Question 8

transfer of a cancerous lesion from one area to another

Answer 8

Metastases

Question 9

incomplete separation or avulsion of the tibial tuberosity

Answer 9

Osgood-Schlatter Disease

Question 10

form of arthritis marked by progressive cartilage deterioration in synovial joints and vertebrae

Answer 10

Osteoarthritis or Degenerative Joint Disease

Question 11

softening of the bones due to vitamin D deficiency

Answer 11

Osteomalacia or Rickets

Question 12

inflammation of bone due to a pyogenic infection

Answer 12

Osteomyelitis

Question 13

increased density of atypically soft bone

Answer 13

Osteopetrosis

Question 14

loss of bone density

Answer 14

Osteoporosis

Question 15

chronic metabolic disease of bone marked by weakened, deformed, and thickened bone that fractures easily. Thick soft bone marked by bowing and fractures

Answer 15

Paget Disease (osteoitis deformans)

Question 16

new tissue growth where cell proliferation is uncontrolled

Answer 16

Tumor

Question 17

malignant tumor arising from cartilage cells

Answer 17

Chondrosarcoma

Question 18

benign tumor consisting of cartilage

Answer 18

Enchondroma

Question 19

malignant tumor of bone arising in medullary tissue

Answer 19

Ewing’s Sarcoma

Question 20

benign bone tumor projection with a cartilaginous cap

Answer 20

Osteochondroma or Exostosis

Question 21

lucent lesion in the metaphysis, usually at the distal femur

Answer 21

Osteoclastoma or Giant Cell Tumor

Question 22

benign lesion of cortical bone

Answer 22

Osteoid Osteoma

Question 23

malignant, primary tumor of bone with bone or cartilage formation

Answer 23

Osteosarcoma

Question 24

runner’s knee, softening of the cartilage under the patella

Answer 24

Chondromalacia Patellae

Question 25

accumulation of fluid in the joint cavity

Answer 25

Joint effusion

Question 26

abnormal separation in the base of 1st and 2nd metatarsal and cuneiform

Answer 26

Lisfranc Injury

Question 27

erosions of sacroiliac joints and lower limbs

Answer 27

Reiter’s Syndrome