This bone disease is both lytic and sclerotic
Paget’s
Labs for this disease reveals increase alkaline phosphatase.
Paget’s
This disease is known as “stone bone” and is present at birth.
Osteopetrosis
Skull xray of this bone disease reveals a cotton ball appearance
Paget’s
Xray shows gas formation in the soft tissue of this disease
osteomyolitis
Microscopy shows infiltration of leukocytes in the lamellar area of the bone.
osteomylitis
MC cause of osteomylitis
staph aureus
What is the difference between simple/closed fractures and compound/open fractures?
simple/closed = overlying skin is intact compound/open = overlying skin is open
When is a fracture displaced?
when the ends of the bone at the fracture site are not aligned
What does it mean for a fracture to be comminuted?
bone is splintered or crushed
What is a pathological fracture?
break in bone occurs in bone already altered by a disease process
What is the term used to describe all skeletal changes due to chronic renal disease?
renal osteodystrophy
This type of fracture develops slowly, when bone is subjected to repetitive loads as may occur in sports training, etc.
stress fracture
Which bone cysts occur in the distal ends of long bones such as humerus and femur?
solitary bone cysts
Which bone cysts occur MC in young males in their first and second decades?
simple bone cysts
This bone cyst has a smooth thin cortex and is symmetrical in its appearance. The bone diameter may me increase at the cyst site.
simple bone cyst
MC bone tumor in children
Ewing’s sarcoma
This tumor is composed of densely packed tumor cells with a single round or oval nucleus.
Ewing’s sarcoma
On xray, this tumor appears “moth eaten”
Ewing’s sarcoma
and multiple myeloma
What is the most MC cancer of the bone
malignancy
What are the most common sites to metastasize to the lung?
breast, kidney, lungs
Characteristic sign of this disease is mosaic pattern of lamellar bone aka jigsaw puzzle appearance
Paget’s
