PLEOMORPHIC LIPOSARCOMA OF THE PTERYGOMANDIBULAR SPACE INVOLVING THE MAXILLA

Liposarcoma of the head and neck is rare. Because of its rarity, we re port this case of pleomorphic liposarcoma of the left pterygomandibula r space, involving the maxilla, maxillary sinus, left lateral maxillar y wall, left maxillary gingiva with extension into the buccal space, r etro-orbital region, left mandibular ramus, and left zygomatic process . To our knowledge, there are only two other reported cases of liposar coma involving the maxilla, one of which was a pleomorphic liposarcoma . The pertinent literature is reviewed with an emphasis on the importa nce of histopathologic classification.