Bacaj Histo Flashcards
(18 cards)
organizing fibrin
RA
only neutrophils in synovial fluid
RA
central necrosis rimmed with palisaded histiocytes
RA
spirochete in joint
lyme arthritis
neutrophils and crystals
acute gout
crystals surrounded by macrophages and multinucleate giant cells
chronic gout
fluid filled cyst within connective tissue
ganglion
macrophages and multinucleate giant cells in tumor
tenosynovial giant cell tumor (in synovial lining of joints and tendon sheaths)
plump synoviocytes and macrophages
localized tenosynovial giant cell tumor
lucent lesions with scalloped bone
enchondroma if cortex intact
chondrosarcoma if cortex is destroyed
poorly differentiated spindle cells arising from background of mild hypercellularity and few binucleate chondrocytes
dedifferentiated chondrosarcoma
crowded, pleomorphic, multinucleate chondrocytes amid hyaline cartilage matrix
high grade chondrosarcoma
multinucleate osteoclast-type giant cells
giant cell tumor
thin rim of subperiosteal bone
aneurysmal bone cyst
wall of fibroblasts, osteoclast-like giant cells, and reactive woven bone
aneurysmal bone cyst
eccentric, elongated, lobulated radiolucent with sclerotic margin
non-ossifying fibroma
ground glass on x ray
fibrous dysplasia
fibroblastic proliferation with disconnected bony trabeculae
fibrous dysplasia
