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https://www.readbyqxmd.com/read/29050176/-analysis-of-diagnosis-therapy-and-prognosis-factors-of-103-patients-with-pancreatic-neuroendocrine-tumors
#1
Q Luo, Y N Liu, H Y Ma, S Li, J Y Huang, G Li, G Jin
Objective: To discuss the clinical pathology characteristics, strategies of diagnosis and therapy, and related prognosis factors of pancreatic neuroendocrine tumors(pNET). Methods: Clinical data of 103 pNET cases in Department of Pancreatic Surgery, Changhai Hospital of Second Military Medical University were collected from January 2006 to December 2015. There were 44 males and 59 females, aged from 21 to 77 years with mean age of 48 years.Of the 103 patients, there were functional type in 21 cases and no functional type in 82 cases...
October 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29045976/-anatomy-and-histology-characteristics-of-lymph-node-in-nude-mice
#2
R Sun, B Gao, C B Guo
OBJECTIVE: To compare the differences of anatomical and histological characteristics of lymph nodes between BALB/c nude mice and BALB/c mice. METHODS: Firstly, twenty BALB/c nude mice and twenty BALB/c mice were dissected by using a surgical microscope. Secondly, the differences of T cells and B cells at the lymph node were compared by the expressions of CD3 and CD20 immunohistochemistry dyes. RESULTS: There were, on average, 23 nodes per mouse contained within the large lymph node assembly in the BALB/c nude mouse...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29044491/approaches-to-regional-lymph-node-metastasis-in-patients-with-head-and-neck-mucosal-melanoma
#3
Moran Amit, Samantha Tam, Ahmed S Abdelmeguid, Dianna B Roberts, Shaan M Raza, Shirley Y Su, Michael E Kupferman, Franco DeMonte, Ehab Y Hanna
BACKGROUND: Mucosal melanomas in the head and neck region are most often located in the nasal cavity and paranasal sinuses. To the authors' knowledge, the prognostic effects of lymph node metastasis in patients with sinonasal mucosal melanoma (SNMM) have not been established. Therefore, the objective of the current study was to determine the effects of lymph node metastasis on survival. METHODS: The current study included 198 patients with SNMM who had been treated between 1985 and 2016 at The University of Texas MD Anderson Cancer Center in Houston...
October 17, 2017: Cancer
https://www.readbyqxmd.com/read/29040944/inhaled-glucocorticoid-treatment-prevents-the-response-of-cd8-t-cells-in-a-mouse-model-of-allergic-asthma-and-causes-their-depletion-outside-the-respiratory-system
#4
Monika Zuśka-Prot, Tomasz Maślanka
The principal objective of this research has been to determine the safety of inhaled glucocorticoids (GCs) in respect of their effect on CD8(+) T cells within respiratory and extra-respiratory tissues, and to compare it with systemic GC treatment. Another purpose has been to identify whether inhaled and systemic GCs affect the CD8(+) T cell response in the mediastinal lymph nodes (MLNs) and lungs in a mouse model of ovalbumin (OVA)-induced asthma. Ciclesonide and methylprednisolone were used as a model for inhaled and systemic GCs, respectively...
October 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29040904/malignant-fibrous-histiocytoma-in-the-right-portion-of-the-mandible-with-metastasis-in-pancreas
#5
Javier Biurrun Chamale, Marco Bruno, Facundo Mandojana, Llugdar José, Lucas Armando, Doniquian Alejandro
BACKGROUND: Malignant fibrous histiocytoma is a sarcoma of uncertain origin that can be found both in soft tissues and in bones. It is currently called undifferentiated pleomorphic sarcoma not otherwise specified and it represents a final common pathway in several tumors that are subject to the progress of dedifferentiation. Local recurrence of the tumor in the same location where it was originated occurs in 20-30% of the total number of soft tissue sarcomas. It is less frequent in limbs and more likely to recur in retroperitoneal sarcomas and in head and neck...
October 12, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29039144/transoral-endoscopic-thyroidectomy-via-a-vestibular-approach-why-and-how
#6
Gianlorenzo Dionigi, Young Jun Chai, Ralph P Tufano, Angkoon Anuwong, Hoon Yub Kim
The transoral endoscopic thyroidectomy vestibular approach (TOETVA) is a novel, scar-free surgical procedure that does not require visible incisions. Indications for TOETVA are as follows: predicted gland width on diagnostic imaging ≤10 cm; a thyroid volume outline of <45 mL or dominant nodule dimension of ≤50 mm; three or four Bethesda lesions; a primary papillary microcarcinoma without local or distant metastasis; and patient request for optimal esthetic results. Contraindications are as follows: patients unfit for general anesthesia; precedent radiation in the head, neck, upper mediastinum; antecedent neck surgery; recurrent goiter; a gland volume of >45 mL or main nodule diameter of >50 mm; and documentation of lymph node or distant metastases, tracheal/esophageal infiltration, preoperative laryngeal nerve palsy, hyperthyroidism, mediastinal goiter, or an oral abscess...
October 16, 2017: Endocrine
https://www.readbyqxmd.com/read/29035450/imbalance-between-matrix-metalloproteinases-and-tissue-inhibitors-of-metalloproteinases-promotes-invasion-and-metastasis-of-head-and-neck-squamous-cell-carcinoma
#7
Adina E Stanciu, Adina Zamfir-Chiru-Anton, Marcel M Stanciu, Cristian R Popescu, Dan C Gheorghe
BACKGROUND: The balance between collagenolysis and its inhibition is critical during extracellular matrix remodeling in head and neck squamous cell carcinoma (HNSCC). An imbalance between matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) plays a critical role in the development of tumor cell invasion and metastasis. The purpose of the study was to determine MMP-9/TIMP-1 and MMP-2/TIMP-2 ratios in the sera of patients with HNSCC in relation to clinicopathological parameters...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29033121/prognostic-significance-of-extranodal-extension-in-head-and-neck-squamous-cell-carcinoma-cn0-patients-with-occult-metastatic-neck-nodes
#8
Joan Lop, Antoni Rigó, Alberto Codina, Julia de Juan, Miquel Quer, Xavier León
INTRODUCTION AND OBJECTIVES: Extranodal extension in nodal metastases is an independent adverse prognostic factor in head and neck squamous cell carcinoma patients. However, few studies specifically address the subgroup of patients with no clinical evidence of nodal disease. MATERIAL AND METHODS: We retrospectively analysed data from 348 head and neck squamous cell carcinoma patients without any previous treatment and lacking clinical or radiological evidence of neck node metastases during the initial workup, treated with an elective neck dissection between 1992-2014...
October 12, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/29033003/clinicopathological-parameters-affecting-nodal-yields-in-patients-with-oral-squamous-cell-carcinoma-receiving-selective-neck-dissection
#9
Ali-Farid Safi, Martin Kauke, Andrea Grandoch, Hans-Joachim Nickenig, Uta Drebber, Joachim Zöller, Matthias Kreppel
INTRODUCTION: Nodal yield has been demonstrated as a very promising marker for the prognostic outcome of patients with oral squamous cell carcinoma. However, studies on the importance of clinicopathological factors affecting the number of resected lymph nodes are rare, especially for patients without pathologically proven cervical lymph nodes. MATERIAL AND METHODS: Retrospective chart review of 264 patients with treatment naive oral squamous cell carcinoma and histopathologically proven negative cervical lymph node status, who received selective neck dissection of levels I-III/IV...
September 10, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29032663/number-of-metastatic-lymph-nodes-and-ratio-of-metastatic-lymph-nodes-to-total-number-of-retrieved-lymph-nodes-are-risk-factors-for-recurrence-in-patients-with-clinically-node-negative-papillary-thyroid-carcinoma
#10
Chuan-Ming Zheng, Yong Bae Ji, Chang Myeon Song, Ming-Hua Ge, Kyung Tae
Objectives: The number of metastatic lymph nodes (LNs) and the ratio between the number of metastatic LNs and the total number of retrieved LNs (the LN ratio [LNR]) have been proposed as risk factors for recurrence of papillary thyroid carcinoma (PTC). However, the significance of the number of LNs and the LNR in patients with clinically node negative PTC has not been clearly determined. The purpose of this study is to evaluate their significance. Methods: We retrospectively analyzed 382 patients with PTC who had undergone total thyroidectomy with prophylactic central neck dissection (CND) between January 2000 and December 2010...
October 17, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/29031904/definitive-radiotherapy-for-a-head-and-neck-merkel-cell-carcinoma-and-comprehensive-nodal-volumes-a-case-for-using-a-computer-designed-variable-thickness-compensator-to-reduce-risk-and-severity-of-mucositis
#11
Anesa Ahamad, Donald T Weed, Darel D Pruett, Daniel Saulpaugh, Womah Neeranjun, Eduardo Fernandez
When contemplating how to treat head and neck primary cancers and regional lymph nodes with radiotherapy, we often select the contemporary intensity-modulated radiotherapy (IMRT) without much consideration of older methods that may give fewer side effects and be more cost-effective. For an 87-year-old female with a 1.5-cm Merkel cell carcinoma (MCC) located 1.5 cm lateral to the orbital rim, we were challenged to deliver 50 Gy to comprehensive elective nodal regions and 70 Gy to the primary. We were particularly concerned about the potential adverse acute effects of radiotherapy to mucosal structures in this elderly female...
October 11, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/29031556/corrigendum-to-long-term-results-of-a-phase-ii-study-of-gemcitabine-and-cisplatin-chemotherapy-combined-with-intensity-modulated-radiotherapy-in-locoregionally-advanced-nasopharyngeal-carcinoma-oral-oncol-73-2017-118-123
#12
Mingyao Wu, Dan Ou, Xiayun He, Chaosu Hu
OBJECTIVES: To evaluate long-term results of a phase II study of induction and adjuvant gemcitabine and cisplatin (GP) chemotherapy with intensity-modulated radiotherapy (IMRT) in locoregionally advanced nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS: One hundred and twelve patients (Stage III: 65, IVA-B: 47) with locoregionally advanced NPC were enrolled in this study. All patients received induction chemotherapy consisting of 1000 mg/m(2) gemcitabine on day 1 and 8, and cisplatin 25 mg/m(2) on day 1-3, every 3 weeks for 2 cycles...
October 11, 2017: Oral Oncology
https://www.readbyqxmd.com/read/29031369/chapter-7-image-guided-fine-needle-aspiration-and-core-needle-biopsy-of-neck-lymph-nodes-techniques-pearls-and-pitfalls
#13
Amir A Borhani, Sara E Monaco
Image-guided percutaneous biopsy of cervical lymph nodes is a minimally invasive method performed for the characterization of abnormal lymph nodes, staging, and for the detection of regional tumor recurrence. When performed with proper technique and by a skilled proceduralist, this technique offers a very high diagnostic yield and can potentially save the patient from more invasive procedures. Its diagnostic role in different disease processes and the variations in technique as well as its potential risks and pitfalls will be discussed in this article...
October 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/29031368/chapter-6-non-squamous-cell-causes-of-cervical-lymphadenopathy
#14
Mohit Agarwal, Seyed Ali Nabavizadeh, Suyash Mohan
Cervical lymphadenopathy is a common indication for imaging evaluation of the neck. Besides metastatic squamous cell carcinoma of the head and neck, cervical lymphadenopathy can be due to many causes, with simple reactive lymphadenopathy on one end of the spectrum and malignant lymphadenopathy due to a distant infraclavicular primary, on the other end. A systematic approach to the cause of cervical lymphadenopathy, which includes pattern of lymph node enlargement, lymph node characteristics, systemic symptoms, and extranodal abnormalities, can be very useful in arriving at the correct diagnosis...
October 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/29031367/chapter-5-ultrasound-characteristics-of-benign-vs-malignant-cervical-lymph-nodes
#15
Ramanujam Prativadi, Nirvikar Dahiya, Aya Kamaya, Shweta Bhatt
With approximately 800 lymph nodes in the body, and more than one-third found within the head and neck, lymph nodes are a common site for neck pathology. Differentiation between benign and malignant lymph nodes is critical in accurate prognosis; similarly, treatment hinges on accurate identification of the etiology of the pathologic process. Key gray-scale and color Doppler ultrasound criteria can help accurately distinguish between benign and malignant lymph nodes.
October 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/29031364/chapter-2-squamous-cell-carcinoma-of-the-head-and-neck-imaging-evaluation-of-regional-lymph-nodes-and-implications-for-management
#16
Hillary R Kelly, Hugh D Curtin
The presence of cervical lymph node metastases is a major prognostic factor in squamous cell carcinoma of the head and neck. The presence of a solitary ipsilateral metastatic lymph node reduces expected survival by almost 50%, and the presence of regional metastatic nodes at the time of presentation is the strongest predictor of recurrence or the development of distant metastases or both. Therefore, accurate identification of metastatic cervical lymph nodes is essential for staging and treatment planning. Pretreatment imaging is important for identifying clinically occult pathologic nodes as well as delineating nodal size and morphologic characteristics used in staging...
October 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/29031362/letter-from-the-guest-editor-imaging-of-lymph-nodes-in-the-head-and-neck
#17
EDITORIAL
Tanya J Rath
No abstract text is available yet for this article.
October 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/29030676/papillary-thyroid-carcinoma-ptc-in-children-and-adults-comparison-of-initial-presentation-and-long-term-postoperative-outcome-in-4432-patients-consecutively-treated-at-the-mayo-clinic-during-eight-decades-1936-2015
#18
Ian D Hay, Tammi R Johnson, Suneetha Kaggal, Megan S Reinalda, Nicole M Iniguez-Ariza, Clive S Grant, Siobhan T Pittock, Geoffrey B Thompson
BACKGROUND: Contemporary guidelines for managing PTC advise an approach wherein primary tumor and regional metastases (RM) are completely resected at first surgery and radioiodine remnant ablation (RRA) is restricted to high-risk patients, policies our group has long endorsed. To assess our therapeutic efficacy, we studied 190 children and 4242 adults consecutively treated during 1936-2015. SUBJECTS AND METHODS: Mean follow-up durations for children and adults were 26...
October 13, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29023936/understanding-patterns-of-invasion-a-novel-approach-to-assessment-of-podoplanin-expression-in-prediction-of-lymph-node-metastasis-in-oscc
#19
Ankita Sharma, Karen Boaz, Srikant Natarajan
BACKGROUND: Cellular motility is considered central to the process of metastasis and podoplanin expression can be explored as a prospective link due to its ability to modulate actin cytoskeleton. We aimed to evaluate the tumoural expression of D2-40 (mono-clonal antibody to podoplanin) in pathologically neck-node negative/positive cases (pN0/N+) to characterise the pattern of invasion, potentially explaining the role of various patterns of invasion in causing tumor metastasis. METHODS: Paraffin-embedded tissue blocks of 60 cases of OSCC of known nodal status were selected for immunohistochemical staining of tumour (invasive front) by D2-40 (anti-podoplanin) along with routine staining by Haematoxylin & Eosin...
October 11, 2017: Histopathology
https://www.readbyqxmd.com/read/29019570/thoraco-laparoscopic-esophagectomy-thoracic-stage-in-prone-position
#20
Carlos Bernardo Cola, Flávio Duarte Sabino, Carlos Eduardo Pinto, Maria Ribeiro Morard, Pedro Portari, Tereza Guedes
OBJECTIVE: to analyze the National Cancer Institute Abdominopelvic Division (INCA / MS/HC I) initial experience with thoraco-laparoscopic esophagectomy with thoracic stage in prone position. METHODS: we studied 19 consecutive thoraco-laparoscopic esophagectomies from may 2012 to august 2014, including ten patients with squamous cells carcinoma (five of the middle third and five of the lower third) and nine cases of gastroesophageal junction adenocarcinoma (six Siewert I and three Siewert II)...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
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