11/64. Periosteal osteosarcoma of the mandible.We report a rare case of periosteal osteosarcoma of the mandible in a 15-year-old girl. Extension of the tumour into the bone marrow by way of the periodontal ligament is demonstrated.- - - - - - - - - - ranking = 1keywords = mandible (Clic here for more details about this article) |
12/64. Metastatic infiltration of the dental pulp by medulloblastoma.medulloblastoma is an infratentorial primitive neuroectodermal tumour. It is the most commonly occurring brain tumour of childhood, accounting for 15-20% of all paediatric tumours. Extracranial metastasis is rare, but may involve the skeleton. Jaw lesions, however, have never been described. A case is reported of metastases of a medulloblastoma to the jaw including the dental pulp.- - - - - - - - - - ranking = 0.0057453098278299keywords = jaw (Clic here for more details about this article) |
13/64. lymphangioma involving the mandible: immunohistochemical expressions for the lymphatic proliferation.We report a case of lymphangioma involving oral mucosa and mandible of an elderly female. The surgical and radiological examinations indicated that the lymphangioma was mainly distributed in the labial mucosa tissue, but had gradually extended into the periosteum and intrabony space of mandible. Immunohistochemical staining was also performed using antiseras of alpha-smooth muscle actin (alpha-SMA), von willebrand factor (vWF), angiogenin, vascular endothelial growth factor (VEGF), and proliferating cell nuclear antigen (PCNA) to elucidate the pathogenetic implications of the intraosseous lymphangioma. The present case of lymphangioma showed strong immunohistochemical reactivity of angiogenin and vWF, while it showed weak reactions of VEGF and PCNA. The immunostaining of alpha-SMA disclosed an abnormally thinned and discontinuous smooth muscle layer in the lymphatics. Both the x-rays and histological examination showed that the lymphangioma lesion was gradually extending into the adjacent osteoporotic marrow space of mandible. Therefore, we believe that the present case of intraosseous lymphangioma, which showed the harmatomatous growth of the lymphatics into the marrow space of mandible, is closely related to osteoporotic changes of old age.- - - - - - - - - - ranking = 1.6keywords = mandible (Clic here for more details about this article) |
14/64. Fibromatosis of the mandible in a child.Fibromatosis represents a group of fibrous tumors showing clinic and biologic features between benign fibrous lesions and fibrosarcoma. These locally aggressive tumors have high recurrence rates (20% to 70%). A four-year-old boy presented with mandibular fibromatosis occupying the mandible completely and extending to the submandibular gland and soft tissues. Complete hemimandibulectomy and submandibular gland excision were performed followed by reconstruction with a curved Kirschner wire. No signs of recurrence was observed during a follow-up period of 18 months. In addition, no limitations in the functions of the jaw, mastication, and swallowing were noted.- - - - - - - - - - ranking = 1.0057453098278keywords = mandible, jaw (Clic here for more details about this article) |
15/64. Ameloblastic carcinoma: report of an aggressive case with multiple bony metastases.Ameloblastic carcinoma is a rare primary tumor of the maxillofacial skeleton with a distinct predilection for the mandible. These lesions may initially show histologic features of ameloblastoma that dedifferentiate over time. Other ameloblastic carcinomas initially present with morphologic features suggestive of ameloblastoma with areas of epithelial dedifferentiation. We herein report a rare case of aggressive ameloblastic carcinoma in a 22-year-old white man who developed widespread bony metastases and expired 4 years after initial diagnosis.- - - - - - - - - - ranking = 0.2keywords = mandible (Clic here for more details about this article) |
16/64. Desmoplastic fibroma of the cranium: case report and review of the literature.OBJECTIVE AND IMPORTANCE: Desmoplastic fibroma is a benign bone tumor that can be locally aggressive. It usually occurs in the long bones and mandible. We report on a patient with a desmoplastic fibroma arising in the temporal bone and review previously published cases of desmoplastic fibroma originating within the cranium. CLINICAL PRESENTATION: A 43-year-old woman presented with a 12-year history of progressively worsening head asymmetry. magnetic resonance imaging and computed tomography demonstrated a mass originating from the bone and involving the adjacent soft tissues. INTERVENTION: A temporal parietal craniectomy was performed with excision of a large tumor involving the bone. An acrylic cranioplasty was used to replace the bone. Pathological examination of the lesion identified desmoplastic fibroma of the cranium. After surgery, the patient's cranial asymmetry was corrected. CONCLUSION: Desmoplastic fibroma of the cranium is rare. Surgical resection is the treatment of choice.- - - - - - - - - - ranking = 0.2keywords = mandible (Clic here for more details about this article) |
17/64. Plexiform ameloblastoma presenting as a sinonasal tumor.Ameloblastomas are the most frequent odontogenic tumours, accounting for 1% of all tumours of the maxilla and mandible. Sinonasal ameloblastomas are most common between the ages of 55 and 65, and mandibular ameloblastomas between 40 and 50. incidence is higher in males than in females, and there are no differences between races. These locally aggressive tumours originate in the mandible in 80% of cases and in the maxilla in 15-20%. We report an unusual primary nasosinusal ameloblastoma presented in a 68-year-old male. The tumour was completely resected by (para)lateral rhinotomy and treated with postoperative radiotherapy. Histological analysis demonstrated a plexiform ameloblastoma. The patient remains well without disease after 50 months of postoperative follow-up.- - - - - - - - - - ranking = 0.4keywords = mandible (Clic here for more details about this article) |
18/64. Nevoid basal cell carcinoma syndrome: report of an aggressive case with ethmoid sinus invasion.Nevoid basal cell carcinoma syndrome, also referred to as Gorlin-Goltz syndrome, is a rare autosomal dominant disorder characterized by multiple basal cell carcinomas, jaw cysts, palmar or plantar pits, ectopic calcification of the falx cerebri, and various skeletal developmental abnormalities. A minority of basal cell carcinomas demonstrate aggressive behavior and involve the craniofacial bones in nevoid basal cell carcinoma syndrome. A non-familial case of nevoid basal cell carcinoma syndrome with a basal cell carcinoma of the eyelid invading to the ethmoid sinus is reported.- - - - - - - - - - ranking = 0.0057453098278299keywords = jaw (Clic here for more details about this article) |
19/64. osteosarcoma of the jaws in children.Two cases of osteosarcoma of the jaws in children are reported. One patient was a 13-year-old girl whose first symptoms included nasal and maxillary sinus congestion, followed by epistaxis. She was found to have chondroblastic osteosarcoma extending through the left maxillary alveolar process and sinus. Following surgery and chemotherapy, the patient has been free of disease for 7 years. The second patient, an 8-year-old boy, was diagnosed with juxtacortical (parosteal) osteosarcoma of the mandible, which is a less aggressive variant of the neoplasm. It is believed that this is the youngest patient reported to date with juxtacortical osteosarcoma of the jaws. He was treated by block resection of the right side of the mandible and is free of disease 3(1/2) years later.- - - - - - - - - - ranking = 0.43447185896698keywords = mandible, jaw (Clic here for more details about this article) |
20/64. Clear cell odontogenic carcinoma. A case report with massive invasion of neighboring organs and lymph node metastasis.Clear cell odontogenic carcinoma is a rare and unusual tumor that occurs in the jaws. This tumor is generally considered to be of a low grade of malignancy. We describe a patient with a huge clear cell odontogenic carcinoma that originated in the mandible and exhibited massive invasion into the adjacent tissues and metastases to the submandibular lymph nodes. The ultrastructural and immunohistochemical details are described.- - - - - - - - - - ranking = 0.20574530982783keywords = mandible, jaw (Clic here for more details about this article) |
| <- Previous || Next -> |