نتایج جستجو برای: parotid tumor
تعداد نتایج: 433943 فیلتر نتایج به سال:
E xtracapsular dissection with facial nerve dissection (ECD-FND) uses standard surgical landmarks to identify and antegrade dissect the facial nerve trunk at the onset of the procedure. The branches of the facial nerve are dissected up to the anterior extracapsular margin of the tumor; then, the tumor is dissected with a thin layer (1-2 mm) of parenchyma and fascia around it (Figure 1). Extraca...
Warthin's tumor is a benign salivary gland tumor of the parotid gland. Although bilateral or multicentric involvement of the parotid gland is common, extraparotid involvement is seen rarely. The nasopharynx is an unusual region for extraparotid involvement. In this article, we present a 52-year-old male case with a synchronized Warthin's tumor in the bilateral parotid gland and nasopharynx, and...
BACKGROUND: Solitary extramedullary plasmacytoma of the parotid gland is a rare condition. Intracytoplasmic Crystalline inclusions in the tumor are even rarer and have been reported only once in the parotid gland. CASE PRESENTATION: We report here, a case of plasmacytoma of the parotid gland with intracellular crystalline inclusions in a 73-year-old woman CONCLUSION: Solitary extramedullary pla...
INTRODUCTION Atheroma of the facial artery is an extremely rare disease. CLINICAL FINDINGS/PATIENT CONCERNS Herein, we report an extremely rare case of an atheroma arising from the facial artery, mimicking a parotid gland tumor. DIAGNOSES The preoperative diagnosis was a right-sided parotid gland tumor. INTERVENTIONS We performed removal of the right parotid gland tumor, via a modified fa...
BACKGROUND The most common histological diagnosis of bilateral parotid gland neoplasm is Warthin tumor. Bilateral malignant tumors of the parotid gland are extremely rare. METHODS A 60-year-old man presented with a painless mass in the right preauricular area and an MRI scan showed multiple masses in the parotid glands, bilaterally. A standard superficial parotidectomy was performed on the ri...
acinic cell carcinoma arising in salivary glands is a rare tumor, accounting for 2% to 5% of the primary neoplasms of the parotid gland. when these tumors are well-differentiated, the neoplasia has innocuous aspect, due to the similarity to normal parotid tissue. this makes the diagnosis difficult. initially the malignancy of this tumor was uncertain; however, recent studies have declared it as...
Human papillomavirus (HPV) infection has been shown to be associated with human tumorigenesis. The aim of the present study was to demonstrate the association between HPV infection and parotid gland tumors. Paraffin-embedded tissue sections from 59 cases of parotid gland tumors and 20 normal oral mucosa were subjected to DNA extraction and flow-through hybridization and gene chip technology to ...
Chronic sclerosing sialadenitis (CSS) (Kuttner's tumor) is a benign fibroinflammatory condition most commonly affecting the submandibular gland. It presents as hard mass that mimics salivary gland neoplasms. We report an unusual presentation of Kuttner's tumor parotid in order to raise awareness this rare and underreported entity.
Small cell carcinoma (SCC) is a malignant epithelial tumor that predominantly arises in the lungs. Primary SCC of the parotid gland is rare and difficult to diagnose by analysis of frozen sections obtained during surgery. Due to the aggressive nature of SCC and the frequent occurrence of distant metastases, identification of the disease is important. The current study reports the case of a male...
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