نتایج جستجو برای: salivary duct carcinoma
تعداد نتایج: 444154 فیلتر نتایج به سال:
BACKGROUND Salivary duct carcinoma is a rare, aggressive tumor entity first described by Kleinsasser et al in 1968, as a group of malignant salivary gland tumors characterized by duct formation and central necrosis. A case with an unusual localization in the nasal cavity and maxillary sinus is being described in our report. METHODS A 60-year-old patient presented with difficulty of nasal brea...
Salivary duct carcinoma is a rare and highly aggressive malignant neoplasm that frequently metastasises to other organs, but cutaneous metastasis is uncommon. There are only 6 cases reported in the literature with metastases to the skin and in all cases the tumour originates from the parotid gland. We present a case of skin metastases from the submandibular gland that was mistaken for basal cel...
Salivary duct carcinoma (SDC) is a high-grade adenocarcinoma arising from the ductal epithelium of salivary glands which rarely involves the minor salivary glands. The varied histological presentation in the minor salivary gland tumors makes them the most heterogeneous group of neoplasms, making the diagnosis a challenge. This report highlights the importance of immunohistochemical markers in t...
BACKGROUND Salivary duct carcinoma is rare, with distinct morphology and behavior. We reviewed our institutional experience with salivary duct carcinoma, aiming to characterize clinical behavior and treatment outcomes. METHODS All salivary duct carcinomas treated curatively between 1999 and 2010 were reviewed. Overall survival (OS), locoregional control, distant control, and patterns of failu...
Salivary duct carcinoma is a distinctive primary neoplasm of the major salivary gland characterized by aggressive behavior with early metastasis, local recurrence and significant mortality. We report a 40 year old male with parotid swelling diagnosed as pleomorphic adenoma, who underwent parotidectomy with modified radical neck dissection and later, on routine histopathology, the swelling was r...
Hybrid carcinomas are rare neoplasms which are characterized by two different types of tumors localized in a single topographic region of the lesion. Parotid gland is the most common involvement site of hybrid carcinomas among salivary glands. The aggressiveness of the hybrid tumor depends on its high-grade component. In this article, we present a 71-year-old male case with the left parotid gla...
Over the past few decades, salivary gland tumor pathology has evolved. This includes recognition of newly defined entities as well as reclassification of other salivary gland tumors [1]. The development of genetic tests have shown that some salivary gland tumors have genetic abnormalities which are specific to a histologic type such as MECT1– MAML2 gene fusion in mucoepidermoid carcinoma and PL...
AIMS To evaluate cytokeratin (CK) 7/20 expression patterns in salivary gland neoplasia. METHODS AND RESULTS Formalin-fixed paraffin embedded tissue from 153 salivary gland tumours were evaluated for CK7/20 immunoreactivity. The tumours included pleomorphic adenoma (n = 24), myoepithelioma (n = 9), papillary cystadenoma (n = 3), oncocytoma (n = 2), adenoid cystic carcinoma (n = 22), mucoepider...
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