LIPOMA
13% IN H&N
COMPOSED OF MATURE FAT CELLS
PRIMARILY 2-8 CM
OFTEN SKIN OVER LIPOMA FEELS COOLER DUE TO THE INSULATING QUALITY OF FAT
PRIMARILY BENIGN–DO NOT CHANGE INTO LIPOSARCOMA
LIPOSARCOMA ARISES DE NOVO
USUALLY PTS > 40
TWO TYPES: SPINDLE CELL AND PLEOMORPHIC ARE OFTEN CONFUSED WITH LIPOSARCOMA
HIBERNOMA = RARE TUMOR OF BROWN FAT
Rx–SURGICAL EXCISION