نتایج جستجو برای: pleomorphic

تعداد نتایج: 4847  

Journal: :acta medica iranica 0
hashemi hm

a case of pleomorphic adenoma in sweat gland is reported here. the histopathologic report confirmed the diagnosis. pleomorphic adenoma is most common in salivary glands but very rare in sweat glands. pleomorphic adenoma in sweat gland and the similar tumors of eccring sweat gland are described that bear a striking resemblance to pleomorphic adenomas of salivary gland. upon closer examination, t...

Journal: :iranian journal of radiology 0
leila aghaghazvini department of radiology, shariati hospital, tehran university of medical sciences, tehran, iran; advanced diagnostic and interventional radiology research center (adir), imam khomeini hospital, tehran university of medical sciences, tehran, iran; department of radiology, shariati hospital, tehran university of medical sciences, tehran, iran shirin aghaghazvini advanced diagnostic and interventional radiology research center (adir), imam khomeini hospital, tehran university of medical sciences, tehran, iran

Bibi Shahin Shamsian Maliheh Khoddami Minoo Fallahi, Roxana Azma Samin Alavi

Introduction: Pleomorphic adenoma is a rare benign salivary gland neoplasm in children, which can be treated by simple excision. This tumor is rarely included in the differential diagnosis of solid submandibular masses in children. In the neonates, congenital pleomorphic adenoma usually presents in the nasopharynx. Surgical excision is the treatment of choice and recurrence is not expected. We ...

Journal: :The Laryngoscope 2015
Robert L Witt David W Eisele Randall P Morton Piero Nicolai Vincent Vander Poorten Peter Zbären

The objective of this review study was to encompass the relevant literature and current best practice options for this challenging, sometimes incurable problem. The source of the data was Ovid MEDLINE from 1946 to 2014. Review methods consisted of articles with clinical correlates. The most important cause of recurrence is enucleation with rupture and incomplete tumor excision at operation. Inc...

Introduction: Pleomorphic adenomas are tumors mostly originating from salivary glands. These lesions in the larynx are very rare. Case Report: We report a rare case of pleomorphic adenoma that originated from the mucosal lining, just above the glottic area at the level of the laryngeal ventricle in a 55-year-old female patient. The tumor could not be palpated easily but was observed in the C...

Journal: :Medicina oral, patologia oral y cirugia bucal 2006
Renata Falchete do Prado Alberto Consolaro Luís Antônio de Assis Taveira

OBJECTIVES Pleomorphic adenomas are the most frequent type of epithelial salivary gland neoplasms, and their malignant counterpart, the carcinoma in pleomorphic adenomas, is much less common. Beta-catenin is a cell adhesion molecule associated with the invasion and metastasis of carcinomas of the head and neck, esophagus. The objective of this study was to detect the expression of beta-catenin ...

Introduction: Pleomorphic adenomas are benign neoplasms of salivary glands. The simultaneous homolateral occurrence of these tumors in salivary glands is exceedingly rare.   Case Report: An adult female presenting to our OPD with the swelling of right-sided preauricular and submandibular regions was diagnosed with the pleomorphic adenoma based on fine needle aspiration c...

Journal: :Medicina oral, patologia oral y cirugia bucal 2010
Bassel Tarakji Mohammad Z Nassani

OBJECTIVE Our study aimed to characterize alteration in the immunohistochemical expression of p21 in normal tissue of the salivary gland surrounding pleomorphic adenoma, the tumor cells of pleomorphic adenomas, and carcinoma arising in pleomorphic adenoma. STUDY DESIGN A selected series of 29 cases of pleomorphic adenomas, and 27 cases of carcinoma ex-pleomorphic adenoma (undifferentiated and...

2015
Tolga Kandoğan Abdullah Dalğıç Gürol Gültekin Seçkin Ulusoy Elif Selek

Pleomorphic adenoma is mixed and usually benign tumor originating salivary glands. The most common salivary gland tumor is pleomorphic adenoma. The most common localization of pleomorphic adenoma is parotid gland. Although it is found in major salivary gland, pleomorphic adenoma may be found paranasal sinuses and nasal cavity rarely. A 74-year-old female presented with a 3-month history of ri...

A rare case of squamous cell carcinoma ex pleomorphic adenoma in maxillary sinus is presented. The patient is a 50-year-old woman presenting with a slow-progressive swelling in left side of her face that she has noticed 2 years earlier. The lesion was not painful and caused asymmetry and mild exophthalmos. Microscopic examination revealed that the tumor was composed of two components partly of ...

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