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Results for “Maxillary Neoplasms”

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At least 271 records · Page 15Linked to original sources
PubMed1977

Plasmacytoma of the maxilla: report of case.

A case report of plasma cell tumor of the maxilla has been reported. In addition, the characteristics of both the solitary lesion and multiple myeloma are presented to compare and contrast the two lesions. We realize that the follow-up period to date has not been sufficient to justify the final diagnosis of solitary plasma cell tumor, even though laboratory data thus far have not indicated dissemination. The patient's condition may or may not progress into the disseminated stage, but this will be determined by time.

Adult↗
PubMed2002

Maxillary odontogenic myxoma: a diagnostic pitfall on aspiration cytology.

A painless, slow-growing cheek swelling in a young male clinically considered a salivary gland mass was aspirated. Cytology smears were hypocellular. The striking feature was abundant myxoid material with a few monomorphic oval cells, interpreted as myxoid variant of pleomorphic adenoma. Subsequent CT scan was suggestive of a malignant tumor but biopsy confirmed it as myxoma. Myxoma of the jaw is a rare benign tumor that has a tendency for bone destruction, invasion into surrounding structures, and a relatively high recurrence rate. Maxillary myxoma is less frequent but behaves more aggressively than in the mandible, as it spreads through the maxillary sinus. Cytologically, it should be differentiated from other tumors showing predominant myxoid change. Awareness of potential diagnostic pitfalls and careful evaluation of clinical and radiological data is necessary to narrow the differential diagnosis.

Adenoma, Pleomorphic↗
PubMed1977

[Plain-x-ray diagnosis of midfacial lesions (author's transl)].

The basic radiologic features of disorders of the orbit and the paranasal sinuses are described and with characteristic cases illustrated. A critical evaluation of the radiologic signs and a brief summary of the normal roentgen anatomy are included. Emphasis is placed to less well known symptoms and differential diagnosis.

Bone Resorption↗
PubMed1975

[Prosthetic problems after excisional surgery].

The authors present a few cases maxillary and facial reconstruction with restoration of the esthetic appearance, mastication and phonation, using the obturator muscles and prostheses made up of acrylic resin and silicone elastomers.

Acrylic Resins↗
PubMed1984

A case of malignant myxoma (myxosarcoma) of the maxilla.

A centrally located maxillary myxoma with malignant histologic appearance and aggressive clinical course is reported in a 40-yr-old man. The gelatinous polypoid tumor mass was diagnosed as a myxoma in the first biopsy. The tumor recurred rapidly (within 3 wk) eroding the bony structures of the maxillary sinus and the hard palate and infiltrating the adjacent soft tissues. In repeated biopsy (as well as reassessment of the first biopsy) the tumor was found to be composed of plump stellate cells, some of which were pleomorphic with atypical and bizarre mitotic figures. The amorphic myxoid matrix contained acid mucopolysaccharides and was completely devoid of lipids. Electron microscopy demonstrated that the tumor cells were identical to fibroblasts, which is consistent with the appearance of myxoma cells. When radiotherapy was unsuccessful, we removed the left maxilla with orbital excenteration and reconstructed the jaw. Three years later the patient died accidentally. At autopsy, no recurrence of myxoma or distant metastases were found. Due to the malignant histologic appearance and the aggressive clinical course, this tumor can be called an odontogenic myxosarcoma and should be added to the WHO classification as a malignant variant of odontogenic myxoma.

Adult↗