1/88. A case of metastasizing pleomorphic adenoma.The pleomorphic adenoma is the most common benign salivary neoplasm. A case is presented in which a palatal pleomorphic adenoma seeded a metastasis in the medullary cavity of the anterior maxilla, apparently by hematogenous spread after surgical manipulation.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
2/88. Malignant fibrous histiocytoma of the maxilla: a case report.Malignant fibrous histiocytoma is one of the most common sarcomas of soft tissues in late adult life. However, this neoplasm rarely arises in the oral and maxillofacial region with the maxilla presenting as an unusual site. A case report of a 40-year old woman with malignant fibrous histiocytoma involving the maxilla is discussed with relevant literature reviewed. The treatment chosen was partial maxillectomy. The patient was referred for cobalt therapy after surgery. Eight months after diagnosis, the patient died of the illness.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
3/88. Subtotal maxillectomy for melanotic neuroectodermal tumor of infancy.Melanotic neuroectodermal tumor of infancy is a rare pigmented neoplasm occurring in infants before 1 year of age. It is a rapidly growing tumor that most frequently affects the craniofacial skeleton. Although melanotic neuroectodermal tumor of infancy is benign in the vast majority of cases, inadequate excision, occasional multicentricity, and a small malignant potential result in a fairly high recurrence rate. On the basis of data obtained from the literature and our clinical experience, we advocate an aggressive surgical approach consisting of complete surgical excision when vital structures are not involved. Histopathologic confirmation of complete excision is mandatory to minimize the risk of recurrence and provide the patient with curative treatment and minimal morbidity.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
4/88. Aggressive (malignant) epithelial odontogenic ghost cell tumor.A 57-year-old man had an expanding cystic lesion of the anterior maxilla that demonstrated destruction and disruption of local structures. A cystic odontogenic neoplasm as well as various forms of odontogenic carcinoma was suspected. Incisional biopsy and microscopic examination revealed an aggressive epithelial odontogenic tumor with histologic features suggesting malignant transformation from an odontogenic cyst. The patient continues to refuse further treatment despite remaining tumor. This case further documents the malignant potential of a calcifying odontogenic cyst and the existence of at least an aggressive or possibly malignant form of epithelial odontogenic ghost cell tumor. To date, metastatic work-up has not been performed.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
5/88. Odontogenic fibromyxoma arising from the periodontal ligament.A case is reported of an intraosseous odontogenic fibromyxoma which presented as an epulis and appeared to arise from the periodontal ligament of an upper lateral incisor. True neoplasms rarely present in this fashion, and the literature reveals no report of an intraosseous myxomatous neoplasm exhibiting such clinical features. Evidence supporting the periodontal ligament origin of the lesion is presented and discussed.- - - - - - - - - - ranking = 2keywords = neoplasm (Clic here for more details about this article) |
6/88. Adenomatoid odontogenic tumour: a case study with radiographic differential diagnostic considerations.Adenomatoid odontogenic tumours (AOT) are benign, hamartomatous odontogenic lesions that not uncommonly mimic a dentigerous cyst radiographically. Such a case as found involving an unerupted left maxillary canine in a 19-year-old Chinese female is described. The differential diagnosis of some common odontogenic cysts and neoplasms occurring in Malaysians, that may present in a dentigerous relationship to an unerupted tooth is discussed. A brief review of the radiographic literature on AOT is also included.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
7/88. Aggressive ossifying fibroma of the maxilla: review of the literature and report of case.A case of a large aggressive ossifying fibroma of the maxilla has been presented. review of the literature shows the literature shows the difficulty in establishing a definitive diagnosis through any single diagnostic modality. Much of this is due to the confusion surrounding classification of the tumor. Adjunctive radiographic and nuclear medicine diagnostic aids were utilized, as were clinical, laboratory, and histopathologic studies, in resolving the diagnostic questions posed by this large and aggressive tumor. Surgical intervention through conservative enucleation produced few operative or postoperative difficulties and minimal residual deformity. Differentiation of ossifying fibroma from other benigh and malignant neoplasms as well as fibrous dysplasia is important in the correct management of this lesion.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
8/88. Polymorphous low-grade adenocarcinoma of the oral cavity.Polymorphous low-grade adenocarcinoma (PLGA) is a neoplasm arising most commonly within the minor salivary glands of the oral cavity. Not recognized as a distinct entity until 1983, PLGA was often misdiagnosed as adenoid cystic carcinoma or pleomorphic adenoma. PLGA is thought to be the second most common salivary gland tumor after mucoepidermoid carcinoma. Affecting individuals later in life, PLGA often presents as a firm, painless nodule that exhibits a locally aggressive, infiltrative pattern. Because of PLGA's slow growth rate and low rate of metastasis, differentiation from other disease entities is crucial for treatment modalities. The study presented here reviews three cases of PLGA, their treatment and follow-up.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
9/88. Calcifying epithelial odontogenic tumor with intracranial extension: report of a case and review of the literature.The calcifying epithelial odontogenic tumor (CEOT) is a rare benign neoplasm, possibly of stratum intermedium origin and occurring predominantly in the mandible of adults. The treatment varies, depending on its size, location, and histology. A case of an advanced CEOT arising in the maxilla with intracranial extension is reported. The report is supplemented by a review of the literature.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
10/88. Maxillary undifferentiated carcinoma with rhabdoid features.The rhabdoid malignant tumor was individualized by Haas et al. as an independent entity within the kidney malignant neoplasms in 1981. From its histopathological characteristics, different cases of rhabdoid extra-renal tumor were documented. This aspect has been also recognized in a wide heterogeneous group of tumors (carcinoma, melanoma, mesothelioma and mesenchymal tumors). The diagnosis of extrarenal rhabdoid tumor is based on the presence of a proliferation of epithelioid cells with large nuclei, prominent nucleoli, abundant eosinophilic cytoplasm, and conspicuous cytoplasmic intermediate filaments, which compress the nuclei. In this article we present the case of a 50-year-old male patient with a malignant maxillary tumor with characteristic rhabdoid features. Its differential diagnosis will be discussed. The literature will also be reviewed.- - - - - - - - - - ranking = 1keywords = neoplasm (Clic here for more details about this article) |
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