Cases reported "Maxillary Neoplasms"

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1/118. 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.
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keywords = neoplasm
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2/118. 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.
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keywords = neoplasm
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3/118. Prenatal sonographic features of embryonal rhabdomyosarcoma.

    We describe a case of fetal rhabdomyosarcoma detected during the third trimester of pregnancy by prenatal sonography. At 33 weeks' gestation, sonography performed because of suspected polyhydramnios showed a solid mass of 120 x 54 mm arising from the anterior wall of the fetal thoracic cage. Another mass within the left maxillary area which originated from the left orbital floor was also detected. In the abdomen, there were multiple round masses in and around the liver. As the previous scan at 28 weeks had appeared normal, the multiple masses which became visible and enlarged rapidly in different locations led us to believe that there was fetal cancer. The most likely diagnosis was rhabdomyosarcoma (which was later confirmed), because it is the most prevalent soft-tissue tumor in children and may develop within or outside muscle anywhere in the body and at any age. Two other reported cases which were detected by prenatal ultrasound examination are also discussed.
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keywords = cancer
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4/118. 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.
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keywords = neoplasm
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5/118. 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.
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keywords = neoplasm
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6/118. 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.
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keywords = neoplasm
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7/118. 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.
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keywords = neoplasm
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8/118. 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.
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ranking = 1
keywords = neoplasm
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9/118. 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.
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keywords = neoplasm
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10/118. 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.
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keywords = neoplasm
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