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parotid adenoma

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https://www.readbyqxmd.com/read/29434491/usefulness-of-a-novel-ultrasonographic-classification-based-on-anechoic-area-patterns-for-differentiating-warthin-tumors-from-pleomorphic-adenomas-of-the-parotid-gland
#1
Eriko Matsuda, Takahiro Fukuhara, Ryohei Donishi, Katsuyuki Kawamoto, Yasuaki Hirooka, Hiromi Takeuchi
Background: Ultrasonographic homogeneity is an important differential finding between Warthin tumor and pleomorphic adenoma, two types of benign parotid gland tumors, with the former likely to be heterogeneous and the latter homogeneous. However, differences in the performance of ultrasound machines or the homogeneity cut-off level affect the judgment of ultrasonographic homogeneity. Therefore, in this study, we adopted a novel system for classifying the composition of tumors via ultrasonography, using anechoic area as a substitute for differences in homogeneity to differentiate between Warthin tumors and pleomorphic adenomas...
December 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/29430614/non-enhanced-mri-in-combination-with-color-doppler-flow-imaging-for-improving-diagnostic-accuracy-of-parotid-gland-lesions
#2
Wei Zhang, Zhichao Zuo, Ningbin Luo, Lianfeng Liu, Guanqiao Jin, Junjie Liu, Danke Su
PURPOSE: To determine the value of non-enhanced MRI in combination with color Doppler flow imaging (CDFI) for differentiating malignant parotid tumors from benign ones. METHODS: This retrospective study analyzed 51 parotid gland lesions (39 benign and 12 malignant) in 51 patients who underwent preoperative CDFI as well as non-enhanced MRI including T1-weighted, T2-weighted, and diffusion-weighted imaging (DWI). Degrees of intratumor vascularity were categorized into four grades basing on CDFI findings...
February 12, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29425058/a-multiparametric-analysis-combining-dce-mri-and-ivim-derived-parameters-to-improve-differentiation-of-parotid-tumors-a-pilot-study
#3
Francesca Patella, Giuseppe Franceschelli, Mario Petrillo, Mario Sansone, Roberta Fusco, Filippo Pesapane, Giovanni Pompili, Anna Maria Ierardi, Alberto Maria Saibene, Laura Moneghini, Federico Biglioli, Gianpaolo Carrafiello
AIM: To evaluate dynamic contrast-enhanced (DCE)-MRI and diffusion weighted (DW)-MRI diagnostic value to differentiate Warthin tumors (WT) by pleomorphic adenomas (PA). MATERIALS & METHODS: Seven WT and seven PA were examined. DCE- and  DW-MRI parameters were extracted from volumes of interest; volume of interest-based averages and standard deviations were calculated. Statistical analysis included: linear discriminant analysis, receiver operating characteristic curves, sensitivity and specificity...
February 9, 2018: Future Oncology
https://www.readbyqxmd.com/read/29403173/fine-needle-aspiration-cytology-of-basal-cell-adenoma-of-parotid-simulating-adenoid-cystic-carcinoma
#4
Subrata Pal, Palash Kr Mondal, Abhishek Sharma, Mrinal Sikder
Basal cell adenoma is a rare type of monomorphic salivary adenoma most commonly involving the parotid gland. Cytology of basal cell adenoma closely mimics many other benign and malignant basaloid neoplasms. Cytological features of membranous basal cell adenoma simulate adenoid cystic carcinoma in fine needle aspiration cytology (FNAC) smears. Here, we are presenting a rare case of cytodiagnosis of membranous basal cell adenoma of parotid gland in an elderly lady, which mimicked adenoid cystic carcinoma on FNAC...
January 2018: Journal of Cytology
https://www.readbyqxmd.com/read/29301803/extramedullary-plasmacytoma-rare-neoplasm-of-parotid-gland
#5
Sehrish Abrar, Nasir Ali, Bilal Mazhar Qureshi, Ahmed Nadeem Abbasi
A 45-year-old man presented with left-sided facial swelling. Initial excisional biopsy was done somewhere else without prior imaging and it came out to be pleomorphic adenoma; local imaging after biopsy showed mass over the left parotid gland with ipsilateral lymphadenopathy. On examination, there was a well-circumscribed mass with signs of left facial nerve palsy. He underwent left radical parotidectomy with ipsilateral modified radical neck dissection, and per operatively, it came out to be neoplastic lesion...
January 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29278551/the-recurrent-pleomorphic-adenoma-conundrum
#6
Patrick J Bradley
PURPOSE OF REVIEW: Recurrent pleomorphic adenoma (RPA) is uncommon. Treatment selection is based on the likely possibility of minimizing the risk of tumour recurrence, avoiding local functional and cosmetic sequelae, and eradicates the possibility of metastatic or malignant transformation. Much has changed since the topic was reviewed in 2001, and this manuscript comments on clinical progress and discusses patient treatment options. RECENT FINDINGS: Surgery is the preferred treatment for head and neck pleomorphic adenoma...
December 22, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/29246390/the-extent-of-surgery-for-benign-parotid-pathology-and-its-influence-on-complications-a-prospective-cohort-analysis
#7
Wai Keat Wong, Subhaschandra Shetty
BACKGROUND: The surgical management of benign parotid tumors is aimed at complete extirpation of the mass with preservation of facial nerve function. There is a relative paucity of literature pertaining to complications after benign parotid surgery and related risk factors. We aim to critically review the outcomes following treatment of benign parotid pathology when surgery entailed either complete superficial parotidectomy (CSP), partial superficial parotidectomy (PSP) or extracapsular dissection (ECD)...
November 29, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29229364/pathology-and-management-of-masses-in-the-accessory-parotid-gland-region-24-year-experience-at-a-single-institution
#8
Hailong Ma, Shufang Jin, Zhong Du, Lizhen Wang, Zhiyuan Zhang, Yan'an Wang
PURPOSE: Masses in the accessory parotid gland (APG) region are clinically rare and their management can lead to conflicts between the need for tumor resection and facial cosmesis. The aim of this study was to analyze the pathological classifications and management of APG lesions in our hospital. MATERIALS AND METHODS: From January 1993 to March 2017, 130 patients with primary tumors in the APG region who underwent surgical treatment were enrolled. Follow-up surveys after surgery were then carried out...
November 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29178364/fine-needle-aspiration-cytology-for-parotid-lesions-can-we-avoid-surgery
#9
Yotam Shkedy, Uri Alkan, Aviram Mizrahi, Tzippy Shochat, Orr Dimitstein, Sara Morgenstern, Thomas Shpitzer, Gideon Bachar
OBJECTIVE: Salivary gland neoplasms are rare tumors, with most arising in the parotid gland. Fine-needle aspiration cytology (FNAC) is a common method for pre-operative evaluation of parotid masses, although its usefulness is controversial. This study was designed to evaluate the accuracy of FNAC in a large cohort of patients, with emphasis on diagnosis of benign tumors and especially Warthin tumor which can be managed conservatively. STUDY DESIGN: Retrospective case series with chart review...
November 27, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29141486/recurrent-pleomorphic-adenoma-is-treatment-considerably-delayed-thus-affecting-surgical-morbidity
#10
Eran Glikson, Doron Sagiv, Jobran Mansour, Lev Bedrin, Yoav P Talmi, Eran E Alon
OBJECTIVE: To examine the incidence of late presentation of patients with recurrent pleomorphic adenoma (RPA) of the parotid gland. METHODS: This is a retrospective analysis of patients treated in our center. We examined patients demographics, disease characteristics, treatment, and outcome and as well as the time period length from the first discovery of a recurrent mass until seeking treatment at our clinic and its effect on morbidity. RESULTS: A total of 30 patients were included...
November 16, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29116049/pleomorphic-adenoma-the-results-of-a-retrospective-analysis-of-104-patients-treated-at-the-clinical-department-of-cranio-maxillofacial-surgery-clinic-of-otolaryngology-and-laryngologic-oncology-of-the-military-institute-of-medicine
#11
Michał Korba, Aldona Chloupek, Jarosław Dąbrowski, Tomasz Piętka, Wojciech Domański, Barbara Biernacka, Wojciech Leśniak
Pleomorphic adenoma, also known as tumor mixtus, is one of the most common types of benign neoplasm of the salivary gland, which presents as a slow growing, painless tumor. Major salivary glands are the typical localization of this neoplasm. It rarely undergoes malignant transformation, however may recur locally post resection. In this study, we present the results of a retrospective analysis of 104 patients treated at the Clinical Department of Cranio-Maxillofacial Surgery, Clinic of Otolaryngology and Laryngologic Oncology of the Military Institute of Medicine between 2004 and 2015 due to pleomorphic adenoma...
August 31, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29112638/the-role-of-real-time-sonoelastography-in-the-differentiation-of-benign-from-malignant-parotid-gland-tumors
#12
Sumeyra Cortcu, Muzaffer Elmali, Asli Tanrivermis Sayit, Yuksel Terzi
OBJECTIVE: The aims of this study are to evaluate the utility of sonoelastography for parotid gland masses and to determine which cutoff strain ratio (SR) would be best for the differentiation between benign and malignant lesions. METHODS: From August 2015 to December 2016, 39 parotid gland masses were examined prospectively by ultrasonography and strain sonoelastography. Elastographic scores were determined by a 4-point scoring method. Interventional procedures were performed on all patients after sonographic examinations...
November 6, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/29097817/comparison-of-lymphatic-vessel-density-and-expression-of-vegf-c-and-vegf-d-lymphangiogenic-factors-in-warthin-s-tumours-and-oncocytic-adenomas
#13
Jiri Hoza, Richard Salzman, Tomas Bakaj, Ladislava Kucerova, Ivo Starek
OBJECTIVES: To compare the density of lymphatic vessels and VEGF-C and VEGF-D expression in Warthin's tumours (WTs) and oncocytic adenomas (OCAs). METHODS: Twenty three WTs and 13 OCAs of the parotid gland were analyzed. Lymphatic vessels were detected using the D2-40 antibody. For evaluation of the intratumour and peritumour lymphatic vessel density (iLVD and pLVD, respectively) the area of greatest vascularisation (hot spots) was chosen, using a ×40 field, and the number of vessels per square millimeter was counted in a ×200 field...
November 2, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29095193/the-effectiveness-of-sternocleidomastoid-flap-versus-superficial-musculoaponeurotic-system-flap-for-the-prevention-of-frey-syndrome-and-facial-depressed-deformity-in-parotid-surgery-for-pleomorphic-adenoma
#14
Marco Manola, Luca Moscillo, Vittorio Simeon, Elena De Luca, Americo Mastella
The purpose of this study was to compare 2 types of reconstruction techniques: sternocleidomastoid (SCM) flap and superficial musculoaponeurotic system (SMAS) flap after partial parotidectomy (PP) for preventing Frey syndrome (FS) and concave facial depressed deformity. A total of 99 patients underwent PP for pleomorphic adenoma of the parotid gland. The patients were divided in 2 groups according to the dimension of the tumor: tumors less than 3 cm (group A, 47 patients) and tumors greater than or equal to 3 cm (group B, 52 patients)...
October 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29055657/correlation-between-computed-tomography-imaging-and-histopathology-in-pleomorphic-adenoma-of-parotid-gland
#15
Heejin Kim, So Young Kim, Yoon-Joong Kim, Jae-Mun Ko, Min Ji Park, Ji Hoon Kim, J Hun Hah, Tack-Kyun Kwon, Kwang Hyun Kim, Myung-Whun Sung
OBJECTIVE: The purpose of this study was to correlate the CT imaging features and histopathological findings of pleomorphic adenomas (PA), and also try to identify its clinical significance. METHODS: Totally 262 PAs in the parotid gland including 18 recurrent cases were retrospectively reviewed with preoperative CT and pathologic slides. Each pathologic slide was reviewed by two pathologists to calculate mean value of epithelial/mesenchymal component, and the results were correlated with features of CT scans...
October 18, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29038635/pleomorphic-adenoma-of-soft-palate-unusual-occurrence-of-the-major-tumor-in-minor-salivary-gland-a-case-report-and-literature-review
#16
Deepak Passi, Hari Ram, Shubha Ranjan Dutta, Laxman Revansidha Malkunje
Salivary gland tumours constitute about less than 4 % of all head and neck tumours. Pleomorphic adenoma, also called benign mixed tumour, is the most common tumour of the salivary glands. About 80-90 % of these tumours occur in the major salivary glands mainly parotid gland and 10 % of them occur in the minor salivary glands. The most common site for pleomorphic adenoma of the minor salivary glands is the palate, followed by the lips and the cheeks. Other rare sites include the floor of the mouth, tongue, tonsil, pharynx, retromolar area and the nasal cavity...
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29026716/benign-recurrent-pleomorphic-adenoma-of-the-parotid-gland-with-perineural-space-invasion
#17
EDITORIAL
Luca Roncati, Antonio Maiorana
No abstract text is available yet for this article.
September 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/28987676/value-of-diffusion-tensor-imaging-in-differentiating-malignant-from-benign-parotid-gland-tumors
#18
Koji Takumi, Yoshihiko Fukukura, Hiroto Hakamada, Junichi Ideue, Yuichi Kumagae, Takashi Yoshiura
PURPOSE: To evaluate whether diffusion tensor imaging (DTI) can be used to differentiate malignant parotid gland tumors from the benign ones. MATERIALS AND METHODS: The study population comprised 59 parotid gland tumors (24 Warthin's tumors, 19 pleomorphic adenomas, seven other benign tumors, and nine malignant tumors). Single-shot echo-planar DTI was performed with motion-probing gradients along 30 noncollinear directions (b=1000s/mm(2)) at 3.0T. Apparent diffusion coefficient (ADC) and fractional anisotropy (FA) values for benign and malignant tumors were compared using the Mann-Whitney U test...
October 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28987229/controversies-in-oral-and-maxillofacial-oncology
#19
REVIEW
Kyle S Ettinger, Jacob G Yetzer
Imaging studies are essential components of tumor diagnosis, staging, assessing tumor response to neoadjuvant and adjuvant therapies, and postoperative surveillance on completion of definitive treatment. Treatment of early stage clinically node negative oral cavity squamous cell carcinoma is controversial. Approximately 3% of all head and neck tumors arise within the parotid gland and most often within the superficial lobe, lateral to the facial nerve; about 80% are benign and most are pleomorphic adenoma. In patients with dry eyes failing multiple other treatment modalities and facing ongoing pain and loss of vision, microvascular transplant of the submandibular gland is a viable option...
November 2017: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/28975191/extracapsular-dissection-vs-superficial-parotidectomy-of-benign-parotid-lesions-surgical-outcomes-and-cost-effectiveness-analysis
#20
Masanari G Kato, Evren Erkul, Shaun A Nguyen, Terry A Day, Joshua D Hornig, Eric J Lentsch, M Boyd Gillespie
Importance: The clinical implications of extracapsular dissection over superficial parotidectomy are controversial and limited in data on cost-effectiveness. Objective: To compare extracapsular dissection with superficial parotidectomy for benign parotid tumors with respect to surgical outcomes and cost-effectiveness. Design, Setting, and Participants: This was a retrospective medical record review and cost-effectiveness analysis performed from August 2012 to November 2015 at a tertiary care institution...
November 1, 2017: JAMA Otolaryngology—Head & Neck Surgery
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