1/28. myxoma of the humerus: an exceptional site of origin.myxoma of bone, outside of the jaws, is exceptional. We present such a tumor in the humerus and discuss the criteria for the diagnosis of myxoma.- - - - - - - - - - ranking = 1keywords = jaw (Clic here for more details about this article) |
2/28. myxoma of the mandibular condyle. A case report and review of the literature.myxoma of the mandibular condyle is extremely rare and may cause signs and symptoms like those seen in patients with temporomandibular joint dysfunction (TMD). The histogenesis, histologic profile, and management of myxoma of the jaws remain controversial. We report a case of myxoma involving the mandibular condyle appearing as TMD, and we review the literature to highlight current controversies surrounding this lesion.- - - - - - - - - - ranking = 1keywords = jaw (Clic here for more details about this article) |
3/28. magnetic resonance imaging of myxoma in the mandible: a case report.The findings of conventional radiography, computed tomography, and magnetic resonance imaging (MRI) are reported for an odontogenic myxoma arising in the mandible of a 48-year-old Japanese man. The MRI characteristics of an intraosseous myxoma are described for only the third time. MRI showed a well-defined and smooth-walled mass lesion with high-signal intensity on T2-weighted images and low-intermediate-signal intensity on TI-weighted images. Soft tissue myxomas have been reported to show low-signal intensity on TI-weighted images and high-signal intensity on T2-weighted images. However, the first MRI report of an intraosseous myxoma showed a higher-signal intensity on TI-weighted images and lower-signal intensity on T2-weighted images. The MRI findings in this study thus correspond to those of soft tissue myxomas and do not agree with observations of the first MRI report of the intraosseous myxoma. Further studies are needed to clarify the reasons for this difference.- - - - - - - - - - ranking = 43.035282014884keywords = mandible (Clic here for more details about this article) |
4/28. myxoma of the jaws. Report of three cases.Odontogenic myxoma is a locally aggressive, uncommon benign tumour which arises from mesenchymal tissues normally present in developing teeth. The most frequent locations of odontogenic myxoma are the posterior regions of the mandible, as well as the condylar region. Since odontogenic myxomas are not associated with any specific clinical or radiological sign, a histopathological examination of the specimen is required for confirmation of the primary diagnosis. We report three cases of myxoma diagnosed during the last 18 years. Two of them were located in atypical regions of the mandible and one was located in the maxilla. Presence of a slow-growing swelling associated with expansion of the bone plates raised suspicion of a tumour in two cases, while in the third patient the myxoma was an incidental finding during radiological examination. Due to the unspecific nature of these lesions, in every case a histopathological examination of the surgical specimen was required for diagnostic confirmation. In one of the three reported cases, we shall underline the need to follow a correct diagnostic work-up of all radiolucent lesions of the jaws, in order to avoid contraindicated therapeutic procedures.- - - - - - - - - - ranking = 22.214112805953keywords = mandible, jaw (Clic here for more details about this article) |
5/28. Intramuscular myxoma: a rare neck mass in a child.Intramuscular myxoma (IM) is a true mesenchymal benign tumour which is rare in both adults and children. In children, it most commonly affects the heart, mandible or maxilla. We report a 5-year-old child with IM presenting as a posterolateral neck mass and review the literature. IM, although very rare, should be included in the differential diagnosis of neck masses in the paediatric age group.- - - - - - - - - - ranking = 8.6070564029767keywords = mandible (Clic here for more details about this article) |
6/28. myxoma of the gingiva: a case report and literature review.Soft tissue myxomas of the oral and para-oral tissue are extremely rare. Only two cases of myxoma of gingiva have been reported in the literature. The histogenesis of these lesions remains obscure. We report a case of gingival myxoma in a 37-year-old man. A firm ovoid soft tissue mass measuring 1.5 x 1.2 x 1 cm in size was noted at the mesio-lingual gingiva of a partially impacted right mandibular third molar. Radiographic examination revealed an impacted mandibular third molar with normal radiographic bony consistency of the mandible. Excisional biopsy was performed with no evidence of recurrence after 8 months. Histological examination showed stromal mass composed of myxoid-like fluid in fibrovascular stroma and scanty inflammatory cell infiltration, suggesting myxomas of the oral soft tissues and jaws. Immunohistochemical stains with S-100 protein, desmin and smooth muscle specific actin yielded negative results, and those with alcian blue, periodic-acid-Schiff, mucicarmine, vimentin and reticulin were positive. Tumor cells of mesenchymal origin without neurogenic or muscular derivations and myxoid matrix composed of acid mucopolysaccharides in this lesion further confirmed the diagnosis of myxoma. periodontal ligament origin cannot be completely excluded due to tumor location and its association with an impacted molar. However, further study is necessary to clarify the origin and histogenesis of these lesions.- - - - - - - - - - ranking = 9.6070564029767keywords = mandible, jaw (Clic here for more details about this article) |
7/28. 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.- - - - - - - - - - ranking = 9.6070564029767keywords = mandible, jaw (Clic here for more details about this article) |
8/28. Odontogenic myxoma in a child: diagnostic and treatment dilemmas.A rare case of odontogenic myxoma of the mandible in a 10 year old child has been reported and an attempt has been made to critically analyze the case as well as the diagnostic dilemmas related to myxomatous tumours to improve our knowledge and skills in their management.- - - - - - - - - - ranking = 8.6070564029767keywords = mandible (Clic here for more details about this article) |
9/28. Odontogenic myxoma of the maxilla: a report of two pediatric cases.Myxomas are benign, slow growing neoplasms derived from mesenchyme. While these tumors most frequently occur in the myocardium, the other sites most commonly affected are the maxilla and mandible. Nevertheless, myxoma is a very uncommon lesion of the midface, particularly in the pediatric population. We present two reports of infant children with midfacial myxomas. The clinical features, radiographic evaluation and treatment of these cases will be presented.- - - - - - - - - - ranking = 8.6070564029767keywords = mandible (Clic here for more details about this article) |
10/28. Myxomas of the head and neck.Myxomas are benign mesenchymal tumors that occur rarely in the head and neck. When they do occur, they are prevalent in the jaws and occur less frequently in the subcutaneous tissues. We report ten new cases and review the clinical, structural, and behavioral characteristics of myxomas arising in various head and neck locations. All ages are affected. The most common initial complaint is the presence of a slow-growing mass. The sarcomas, especially liposarcomas and fibrosarcomas, rank high in the differential diagnosis of myxomas. These tumors are stubborn infiltrators. When a capsule is present, it is usually incomplete and insufficient to contain the tumor. Treatment is by wide surgical excision. The high recurrence rate previously reported is probably due to incomplete excision and is higher when enucleation or curettage are used. Long-term follow-up is mandatory since recurrences may develop several years after treatment.- - - - - - - - - - ranking = 1keywords = jaw (Clic here for more details about this article) |
| | Next -> |