Surgical Considerations in Metabolic Bone Diseases — Flashcards

Flashcard 1: What is the earliest clinical symptom of corticosteroid-induced osteonecrosis?

Answer: Pain (typically localized to the joint involved)

Extra: Pain is the earliest clinical symptom of avascular necrosis (AVN). In the hip, it is often felt in the groin and is worsened by weight-bearing. Decreased range of motion (stiffness) and a limp generally develop later, as the disease progresses or the joint surface collapses.

Flashcard 2: Chalk stick-type fractures in the long bones of the lower extremities is seen in _____

Answer: Paget disease

Flashcard 3: Acetabular protrusion, also known as protrusio acetabuli, is intrapelvic displacement of the acetabulum and femoral head, seen in _____

Answer: Paget's disease of bone

Flashcard 4: _____ fracture is a complication of Paget's disease of bone

Answer: Banana

Flashcard 5: Osteoporosis is most commonly due to decreased _____ levels or increased age

Answer: estrogen

Flashcard 6: _____ is caused by an inherited defect in bone resorption

Answer: Osteopetrosis

Flashcard 7: Osteopetrosis is due to poor osteo-_____ function, impairing the ability to remodel bone

Answer: clast

Flashcard 8: _____ of proximal femur causes Shepherd's crook deformity

Answer: Fibrous dysplasia

Flashcard 9: Gaucher disease is associated with _____ of the femur

Answer: avascular necrosis

Flashcard 10: Albers-Schnberg Disease is another name for _____

Answer: osteopetrosis/marble bone disease