B bone tumor 4 Flashcards
Aggressive pattern of destruction
Diaphseal location is common
mimics infection (bone necrosis)
local pain
metastasize early
Ewings
Permeative or motheaten pattern of bone destruction, + / - reactive sclerosis
common site
Periosteal reaction classically
soft tissue involvement (y/n)
prognosis
Ewings
long bones in younger patients
flat bones in older
layered or lamellated in “onionskin” type pattern
yes
formaly grim
Ewings
bone to bone metastasis may occur
Large hematoma associated with rib lesion
Ewings
classified under general headings
Low grade
Intermediate grade
High grade
Miscellaneous
Non-Hodgkin’s lymphomas
represent tumors of post-germinal center B-cells
Non-Hodgkin’s lymphoma
common in proximal tibia
Non-Hodgkin’s lymphoma
Plasma Cell (Multiple) Myeloma
Plasmacytoma
Plasmacytoma