نتایج جستجو برای: oral neoplasm
تعداد نتایج: 427167 فیلتر نتایج به سال:
BACKGROUND Squamous cell carcinoma (SCC) is the most common type of malignancy affecting the oral cavity. While exposures to main risk factors for oral SCC such as smoking and alcohol use are higher amongst the Aboriginal people, little is known about oral cancer in this population. This study aimed to describe characteristics and survival of oral SCC in Aboriginal and non-Aboriginal Western Au...
Malignant melanomas of the mucosal regions of the head and neck are extremely rare neoplasms accounting for less than 1% of all melanomas. Approximately half of all head and neck melanomas occur in the oral cavity. Less than 2% of all melanomas lack pigmentation, in the oral mucosa however, up to 75% of cases are amelanotic. No etiologic factors or risk factors have been recognized for oral mel...
UNLABELLED Oral malignant melanoma is a rare aggressive neoplasm of the middle age. This malignancy commonly affects male subjects and is more frequently seen at the level of the hard palate and gingiva. At present, the clinicopathological classification of oral melanoma is not yet clearly outlined; consequently, the skin form is often taken as a reference. In many cases (up to 30%), the diagno...
There are few studies of eyelid's neoplasm in Asia which in comparison of references are some differences.Materials and Methods: For this reason the retrospective study in 1103 patients which are referred to Farabi Hospital in 10 years period of 1988-1998 was performed. Epidemiological and histopathologic details were sough.Results: 44 percent of the neoplasm were benign and 56 percent were mal...
primitive neuroectodermal tumor (pnet) is usually an aggressive, rapidly progressing and metastasizing tumor. occurrence of this type of tumor in the kidney is considered as unusual and few cases have been reported so far. we present a metastatic pnet arising probably from the kidney in a 17-year-old female patient with local invasion and metastasis to the stomach. pnet should be considered as ...
intraocular metastatic tumors have been increasingly reported in the recent past. unlike choroidal metastasis, metastasis to retina is very rare and so far has been reported in very few case reports only. case presentation : a 56 year-old male who presented with a history of adenocarcinoma of the cecum and underwent lap colectomy for the primary cecal tumor, received adjuvant chemotherapy for a...
Cancer incidence in humans has gradually increased over the last century. Surgical, radio, chemotherapeutic and biological treatments have experienced important advances, with concomitant reduction in the morbidity associated with the radical surgical practices of the past. The term “oral cancer” includes a diverse group of tumors arising from the oral cavity (Khalili, 2008). Usually included a...
Benign or malignant tumor is one of the frequent causes resection mandible. The extent and location decides mode treatment neoplastic lesion. Surgical removal oral neoplasm leads to an extensive mandible along with associated structures. Objective: This case report describes use palatal ramp prosthesis guide during movements restore a stable occlusal relationship additional acrylic buccal pad a...
the improvement in survival and local control measures in children with neoplasm in the head and neck region may lead to increased iatrogenic adverse effects of treatment. the aim of this study was to report a new case of the long-term effects of chemoradiotherapy on oral health and dental development in a patient treated for hodgkin's disease at an early age. in this case report, a 26-year-old...
The present paper explore out the better-characterized and most intensively studied oncogenic viruses of humans and animals. Many DNA and RNA viruses have been proved to be oncogenic (or carcinogenic) in a variety of animals, ranging from amphibia to primates, and évidence grows stronger that certain forms of human cancer are of viral origin. Several DNA viruses have been associated with the ca...
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