Fibrosarcoma of the mandible: a case report

Article Abstract:

Fibrosarcoma in the head and neck is a relatively rare cancer, and even rarer in bone in these regions. However, it may occur in the mandible (lower jaw), causing pain, swelling, trismus (prolonged contraction of the jaw muscles), loosening of teeth, and related symptoms in later stages. The morphologic and histologic characteristics of this type of fibrosarcoma of the mandible are described. A case report is provided of a fibrosarcoma in the right mandible of a 34-year-old patient. The patient had had all her teeth removed four years previously due to decay and periodontal disease, and then noticed a small, painless lump on her right gum. As the lump grew, her dentist made a prosthetic device and modified it as needed to accommodate growth of the lump. A description of the patient's subsequent examination is given. The X-rays showed the lump as a suspicious area in the bone. It was surgically removed and diagnosed as fibrosarcoma, based on evaluation of biopsy specimens. The patient later underwent hemimandibulectomy (removal of one half of the jawbone), performed in such a way as to allow reconstruction. Still later, another fibrosarcoma appeared on the left side of the patient's jaw, and a second hemimandibulectomy was performed. The case underscores the importance of early diagnosis and investigation of chronic symptoms. Loose teeth, for instance, can signal the presence of cancer, and dentists must be aware of this possibility. (Consumer Summary produced by Reliance Medical Information, Inc.)

Mouth cancer, Bone cancer, Fibrosarcoma

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Asymptomatic expansion of the mandible

Article Abstract:

An unusual separation of the left premolar teeth of a 19-year-old male was examined. X-ray pictures showed a wide separation of the tooth roots in this location with a 'lacelike' pattern in the area between the roots. The patient noticed an occasional tingling on the lower lip during the previous months, and he had a small lump in his left cheek. Surgery was performed and a tissue mass that was found was diagnosed as odontogenic myxoma. The tumor and surrounding tissues were removed, and bone and nerve reconstruction was begun. Myxomas can occur anywhere in the body, but when they arise in bone, they are usually found in the jaws. These tumors often recur, and are treated by curettage (scraping) or excision (removal), and affected teeth are also removed. If nerves are involved, they should be cut and new nerves grafted. This procedure was performed on the patient described. The first symptom of an odontogenic myxoma is often expansion of the jaw. (Consumer Summary produced by Reliance Medical Information, Inc.)

Methods, Oral surgery, Tumors, Myxoma, Mouth tumors

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Managing and treating the atrophic mandible

Article Abstract:

Diagnostic issues and treatment modes are considered for mandibular complete dentures. Significant changes in U.S. age and disease patterns should follow existing trends. During the next few decades, the endentulous population will be aged, perhaps medically or physically frail and using medications that may be potentially xerostomic. Many will have neuromuscular deficits and difficulty learning to adapt to a lower denture. The most difficult problems will be associated with the mandibular arch. About 50% will have been endentulous for over 30 years. A majority will be wearing dentures over 20 years old. Many will be in lower income groups. Over 60% will believe they do not need treatment. Good communication and kindness will help these patients cope.

Usage, Physiological aspects, Dental prostheses, Dentures, Atrophy, Mandible

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