Tuesday, May 21, 2013

HEAD NECK 14 Mandibe malignant tumors


7.1.3 AMELOBLASTOMA (ADAMANTINOMA)
 
This  is an uncommon solid tumour of the mandible and  occurs  in
the body of mandible at its junction with the ramus.
 
Growth is slow and it expands the bone.
 
Microscopically interlacing strands of odontogenic epithelium  is
enmeshed  in  a  connective tissue stroma.  There  are  areas  of
cystic degeneration.
 
Treatment   is  segmental  resection  of  mandible  followed   by
reconstruction of the mandible.
 
7.2 OSTEOGENIC TUMORS
 
These are malignant tumours like those that affect other bones in
the  body,  e.g. Multiple myeloma,  Ewing 's  sarcoma,  Osteogenci
sarcoma, chondrosarcoma and periosteal fibrosarcoma.

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