Bones, Joints, Soft Tissues Flashcards
Symmetric skeletal sclerosis d/t impaired osteoclast function. Absence of medullary canal and Erlenmeyer flask deformity
Osteopetrosis (Marble bone disease/ Albers-Schönberg disease)
Type of osteoporosis with thin perforated trabecular plates with loss of interconnections
Postmenoposal osteoporosis
Type of osteoporosis with thinned cortez with subperiosteal and endosteal resorption. Widened haversian system
Senile osteoporosis
Mosaic pattern of lamellar bone with jigsaw puzzle appearance. Leontiasis ossea, platybasia, and chalkstick-type fractures
Paget bone disease
Avascular necrosis of ossification centers in children
Legg-Calvé-Perthes disease
Small intraosseous abscess in osteomyelitis
Brodie abscess
Common cause of pyogenic osteomyelitis in patients with sickle cell anemia
Salmonella
Benign bone-forming tumors that present with nocturnal pain relieved by aspirin
Osteoid osteoma (
Most common malignant bone tumor commonly located in the metaphysis of long bones (50% around the knees)
Osteosarcoma
Big bulky hemorrhagic tumors that appear as Codman triangles and sunbursts on radiographs. Cells in lace-like patterns.
Osteosarcoma
Benign cartilage-capped tumor that is attached to the underlying skeleton by a bony stalk(exostosis)
Osteochondroma
Sheets of compact polyhedral chondroblasts with CHICKEN-WIRE PATTERN of mineralization
Chondroblastoma
Second most common malignant bone tumor composed of malignant hyaline and myxoid cartilage with anaplastic chondrocytes
Chondrosarcoma
Most common form of skeletal malignancy
Metastatic
Bamboo spine deformity
Ankylosing spondylitis
