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Juvenile ossifying fibroma (JOF) is a maxillofacial fibro-osseous lesion that may show cell-rich osteoid strands or psammoma-like ossicles. Whether both types are variants of a single entity or different lesions under the same diagnostic label is a subject of debate. This problem was investigated by analyzing a series of 33 patients with lesions having one(More)
In addition to the desired antitumor effects, head and neck radiation therapy induces damage in normal tissues that may result in oral sequelae such as mucositis, hyposalivation, radiation caries, taste loss, trismus, soft-tissue necrosis, and osteoradionecrosis. These sequelae may be dose-limiting and have a tremendous effect on the patient's quality of(More)
Irradiation mucositis is defined as an inflammatory-like process of the oropharyngeal mucosa following therapeutic irradiation of patients who have head and neck cancer. Clinically, it is a serious side effect because severe mucositis can cause generalized problems (weight loss, nasogastric tube feedings) and interferes with the well-being of the patient(More)
Magnetic resonance (MR) imaging was performed in 116 patients in whom a parotid mass lesion was clinically suspected. Eighty-six patients had benign disease. The 30 patients in whom a malignant tumor was found were further evaluated. To determine which features are characteristic of malignant parotid tumors, spin-echo T1- and T2-weighted images of malignant(More)
Mucositis induced by irradiation is the reactive inflammatory-like process of the oropharyngeal mucous membranes following irradiation. Bacteria colonizing the oral tissues are thought to contribute to this inflammatory process. The eradication of Gram-negative bacilli (selective elimination of oral flora) in fifteen comparably irradiated head and neck(More)
In this investigation, the subjective impressions of patients, suffering from severe xerostomia, have been recorded after symptomatic treatment with different CMC- and mucin-containing artificial saliva over 3 years. A total number of 137 patients divided into 3 groups participated. Group I (40 patients) used CMC-containing artificial saliva, group II (61(More)
Aggressive fibromatosis is a rare soft tissue tumour with a high tendency to local recurrence, even after apparently adequate resection. Wide local excision with a margin of at least 3 cm, depending on the anatomical location, should be performed to improve rates of recurrent disease. There is no consensus concerning the role of radiotherapy in the(More)
A case report is presented of a 9-year-old boy with xeroderma pigmentosum complementation group C, who died from a squamous cell carcinoma arising from the tip of the tongue. Treatment with etretinate and in a later phase with indomethacin and prednisolone was not effective, except for a limited initial response of the tumour to etretinate.