Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/6

Click to flip

6 Cards in this Set

  • Front
  • Back
ewing sarcoma
the second most common type of bone tumor (after osteosarcoma) in children and adolescents. The tumor is usually a lytic bone lesion, and often both invades the medullary cavity of the bone and extends into extraosseous tissues. Grossly, the tumor is often tan-white in color and shows focal areas of hemorrhage and necrosis. Microscopically, it is composed of sheets of small, round cells with scanty cytoplasm that may appear clear because of their glycogen content.
chondrosarcoma
composed of malignant hyaline and myxoid cartilage.
Giant cell tumor of bone
contains multinucleated giant cells in a background of mononuclear stromal cells
Malignant fibrous histiocytoma
background of spindled fibroblassts in storiform pattern admixed with bizarre, multinucleated tumor giant cells
Osteosarcoma
characterized by anaplastic to well differentiated tumor cells that are focally making bone
homer write pseudorosettes
circular arrangements of tumor cells around a central fibrillary space (composed of neurites) and these pseydorosettes specifically suggest differentiation along neural lines.