نتایج جستجو برای: parotid diseases

تعداد نتایج: 856637  

Journal: :International journal of clinical and experimental medicine 2015
Xiaorong Ma Mengling Chang Tianxiang Ouyang Daili Xu Miao Xu Jingwen Ke Jun Lin Jun Liu Jie Yu Huiping Chen

We aimed to evaluate the efficacy of combination of propranolol and sclerotherapy in treating parotid hemangiomas. Twenty-six parotid hemangiomas patients were subjected to combined treatment from January 2009 and June 2014. The effects of the therapy modality were evaluated. Nineteen patients were females and 7 were males. The median age of treatment initiation was 4.96 months. Twelve lesions ...

2017
Andrew Scott Currie

DE-DIFFERENTIATION OF PAROTID ACINAR CELLS IN VITRO Andrew S. Currie July 16, 2010 Background: When rat salivary gland cells are cultured in vitro, they dedifferentiate within 24 h. Hypothesis: Growth factors will prevent de-differentiation of primary cultures of parotid gland cells, and they will induce differentiation of ParC5 cells. DNA methylation drives de-differentiation and the loss of e...

Journal: :AJNR. American journal of neuroradiology 1998
M H Lev K Khanduja P P Morris H D Curtin

BACKGROUND AND PURPOSE Weak or absent CT enhancement in pleomorphic adenomas of the parotid gland has been observed immediately after i.v. contrast administration. This feature can result in poor lesion conspicuity relative to both normal parotid tissue and other parotid abnormalities. The purpose of this study was to document the delayed CT enhancement characteristics of parotid pleomorphic ad...

Journal: :Head & neck 2012
Lei Xie Deguang Zhang M M Xiaoxiao Lu B M Li Gao

BACKGROUND A modified Blair's incision or standard facelift incision is recommended to remove tumors in the accessory parotid gland. These incisions frequently result in long and visible scars. Therefore, the authors have introduced an endoscopic approach via a small preauricular incision to achieve excision of benign tumors in the accessory parotid gland. METHODS The endoscopic surgical tech...

2017
Hyeong-Geun Lee Jae-Yeol Lee Jae-Min Song

Non-Hodgkin's lymphoma on the parotid gland is a relatively rare occurrence among head and neck tumors. The mass of parotid gland lymphoma cannot be distinguished from other benign masses of the parotid gland; therefore, it is important to consider lymphoma in the differential diagnosis when examining parotid swellings and masses. Parotid gland lymphoma is most likely to be B-cell, non-Hodgkin'...

2014
Ithzel Maria Villarreal Beatriz Arellano Jeanette Sáenz Luz Martin José Ramón Castello José Ramón García-Berrocal

Objectives: The aim of this paper is to establish a correct approach to the diagnosis of a primary malignant melanoma of the parotid gland. Methods: We present a case of a patient with a painless mass situated in the left parotid region after an initial cytological and radiological study suggesting a Warthin tumor whose treatment involved a total parotidectomy with a facial nerve reconstruction...

2014
Kenji Yamagata Naomi Ishibashi Kanno Hiroyuki Ito Shogo Hasegawa Toru Yanagawa Kojiro Onizawa Hiroki Bukawa

Parotid lymph node (LN) metastasis occurs most commonly from cutaneous squamous cell carcinoma (CSCC) of the head and neck, but rarely from oral squamous cell carcinoma (OSCC). Here, we present a rare case of metastasis to the parotid LN in a patient with tongue cancer. Although usual extent of modified radical neck dissection that includes resection of the tail of the parotid gland is below th...

2018

The major salivary glands consist of the parotid, the submandibular, and the sublingual glands. Under the control of the parasympathetic nervous system, the major salivary glands are responsible for the principal portion of saliva produced, which can be as much as 1.5 liters per day. The minor salivary glands of the oral cavity, pharynx, and upper airways contribute only a small percentage of t...

Journal: :Journal of Medical Case Reports 2008
Hakan Birkent Serdar Karahatay Timur Akcam Abdullah Durmaz Onder Ongoru

INTRODUCTION Tuberculosis of the parotid gland is a rare clinical entity which causes some difficulties in diagnosis because of the similarities in presentation to that of a neoplasm. Diagnosis mainly relies in the treating physician having a high index of suspicion. The diagnosis is generally overlooked by otolaryngologists and most cases are undergoing unnecessary surgery. CASE PRESENTATION...

Journal: :Rheumatology 2007
R Caporali E Bonacci O Epis P Morbini C Montecucco

OBJECTIVE To assess the value of the parotid biopsy as a diagnostic tool for primary Sjögren's syndrome (pSS), and to compare the parotid biopsy and the labial biopsy with regard to diagnostic value and biopsy-related morbidity. METHODS In 15 consecutive patients with pSS and 20 controls, the parotid biopsy was assessed as a diagnostic tool based on the presence of lymphocytic foci, benign ly...

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