From Quiz 4- Bone, Joint, and SKM Flashcards
(20 cards)
histological hallmark for Paget’s is
mosaic pattern of lamellar bone
osteopetrosis characterized by
hypermineralization of bone
on x-ray aneurysmal cyst reveals
honey-combed appearance
less symmetry to shape of cyst
Gross examination of an osteoid osteoma is characterized by
an area of gritty, cherry red tissue, surrounded by dense sclerotic bone
skip lesions within bone
osteosarcoma
microscopically fibrosarcoma appears as
sheets of spindle shaped cells
x-ray of osteoarthritis shows
jnt space narrowing
osteophyte formation (bony outgrowths)
subchondral bone cysts
sclerosis
which lab IS highly specific for RA?
anti-CCP
what x-ray finding is characteristic for ankylosing spondylitis?
“bamboo spine”
the number one cause of septic arthritis (aka supperative arthritis) in adults?
staphylococcus
pseudogout caused by
calcium pyrophosphate crystals
the most common forms of muscular dystrophy
Duchenne’s
Duchenne’s is due to a defective gene on the X chromosome that leads to an inability to produce which protein?
dystrophin
Myasthenia gravis is caused by
Abs that block Ach receptors
Post-synaptic
thymoma is a rare tumor of the thymus gland associated with which condition?
Myasthenia gravis
Lambert-Eaton syndrome is caused by
Abs that block calcium channels
pre-synaptic
The biopsy appearance of inclusion body myositis is characterized by
focal areas of WBCs that invade muscle cell
vacuoles
amyloid-related protein
inclusions
the most common soft tissue tumor in children
Rhabdomyosarcoma
B and T cells
perifascicular muscle fiber atrophy
dermatomyositis
cells with a single, round or oval nucleus, size and appearance somewhat resembling lymphocytes
Ewing sarcoma
