ABSTRACT
This study was performed to examine the epidemiological features of maxillofacial fracture, including the incidence, causes, age and sex distribution, methods of treatment, and prognosis, in a local area.A retrospective study was performed to investigate the epidemiological characteristics of 829 patients with maxillofacial fractures treated in a hospital in northern China from August 2011 to July 2019. Sex, age, etiology, fracture site, and treatment method were obtained from the medical records.The average age of all 829 patients was 36.1 years, and most patients were in the 20- to 29-year age group. The male to female ratio was 3.04:1.00. Traffic accidents were the main cause of the maxillofacial fractures. The mandible was the most commonly fractured bone, and the parasymphysis was the most frequently affected site. Head injury was the most common associated injury. Open surgery with internal fixation was the first-choice treatment for most cases.Traffic accidents were the main cause of maxillofacial fractures, followed by falling. Open surgery with internal fixation was the leading treatment choice. Both functional and esthetic outcomes should be considered in the treatment of maxillofacial fractures.
Subject(s)
Maxillofacial Injuries/etiology , Accidents, Traffic/statistics & numerical data , Adolescent , Adult , Age Factors , Child , Child, Preschool , China/epidemiology , Female , Humans , Incidence , Infant , Male , Maxillofacial Injuries/epidemiology , Maxillofacial Injuries/physiopathology , Middle Aged , Retrospective Studies , Sex Factors , Treatment OutcomeABSTRACT
Castleman disease is a rare lymphoproliferative disorder characterized by the formation of painless hyperplastic lymph nodes. It can affect any lymph nodes of the body but rarely affects the salivary gland. We describe a patient with unicentric Castleman disease presenting as a parotid tumor and discuss the diagnosis and treatment of Castleman disease. A 39-year-old man had a painless lump on the right side of his face for 1 year. A computed tomography scan showed a well-defined, homogeneous mass in the right parotid gland. The patient underwent a right-sided superficial parotidectomy with preservation of the facial nerve. Histopathologic analysis of the excisional biopsy specimen confirmed the diagnosis of Castleman disease. No further treatment was administered, and the patient recovered well; no recurrence was present at the 1-year follow-up. Castleman disease is a lymphoproliferative disease that rarely affects the parotid gland. Histopathologic examination is regarded as the gold standard for diagnosis of Castleman disease. The current treatment for patients with unicentric Castleman disease is surgical resection. For patients with multicentric Castleman disease, more complex therapies are required.
Subject(s)
Castleman Disease , Parotid Neoplasms , Adult , Humans , Lymph Nodes , Male , Neoplasm Recurrence, Local , Parotid GlandABSTRACT
<p><b>OBJECTIVE</b>To explore the effects of mandibular implant junction on the growth of immature bone.</p><p><b>METHODS</b>Eight Beagle dogs were randomly divided into three groups: control, unjunction and junction. Twelve implants were produced on the mandible of unjunction experimental group and junction experimental group. At three months after implanting, radiographic examination was performed.</p><p><b>RESULTS</b>Three months after implanting, all implants were integrated with bone. None implants was mobile or got off. Radiographic examination demonstrated that the bone lose difference was no significant in junction and unjunction group.</p><p><b>CONCLUSION</b>Mandibular implant connection wasn't effect on the growth of bone.</p>
