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Flashcards in Lower extremity Deck (19)
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1

Radiographic views of the Hip and Pelvis for a. Pelvis and b. Hip

a. A-P and b. A-P or Frog leg

2

ossification centers for: Primary Centers

ilium, ischium, pubis

3

Ossification Centers for Secondary Centers

iliac crest, AIIS, ischial tuberosity, public symphysis and triradiate

4

Triradiate Cartilage: Complete this statement- a. Cartilaginous junction where the b. Fuse together at

a.ilium, ischium and pubis join b. puberty

5

Apperance of the secondary centers of ossification of the hip and pelvis: a. Femur head b. Greater trochanter c. Lesser trochanter d. Inferior ramus of the ischium e. Posterior rim of the acetabulum

a. 4 months b. 3 years of age (yoa)c. 12-13 yoa d. 13-15 yoa e. 16 yoa

6

3 Fat pads of the hip

1. Gluteus medius 2. Iliopsoas 3. Obturator internus

7

Femoral angle

<120 = coxa vara and >130 = coxa valga

8

Herniation Pit Defect (Pitt's Pit): Well defined radiolucent defect in the Ant.-Sup. or Ant.-Inf. aspect of the femoral neck.

5% of adults and Contains fibrous or connective tissue

9

Etiology defined as ______ from the overlying joint capsule (_____ part) and iliopsoas ______. Abrasion = reactive _____ >> penetrates tiny ____ defects.

Abrasion (thickest) and tendon. fibrocartilage, cortical

10

Mechanism: a. Repetitive hip ___ and ___. b. MRI - iliopsoas tendon almost completely ____ the underlying ___ ___ against the Ant. Capsule with the thigh in ____.

a. flesion and extension b. compression, fat pad, extension

11

Intrapelvic protrusion of the acetabulum and femur head a. happens at what age? b. can be what type of laterality? c. Etiologies can be due to

a. any age, b. unilateral or bilateral c. idiopathic, congenital, trauma, bone softening ds.

12

Bone fragment adjacent to the superior lateral margin of the acetabulum is called ?

Os acetabuli

13

Etiologies of Os acetabuli

ununited secondary center of ossification and Accessory ossicle

14

Cresent shaped defect on the ilium at the lower SI joint is known as

Paragleniod (Preauricular) Sulcus

15

Paragleniod sulcus is found most commly in ___ and presents most commonly as ___.

females, bilateral

16

Paragleniod (preauricular) sulcus attachment site for part of the

SI ligament

17

what ilium defect transmits the superior branch of the gluteal artery?

Paragleniod (preauricular) Sulcus

18

Failure of ossification of a lateral margin of the acrum around a foramen is a radiolucent variant called

Patent sacral foramen

19

Patent sacral foramen is made of

cartilage