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Neck dissection for oral squamous cell carcinoma: our experience and a review of the literature
Pooja Rani,Yogesh Bhardwaj,Praveen Kumar Dass,Manoj Gupta,Divye Malhotra,Narottam Kumar Ghezta 대한구강악안면외과학회 2015 대한구강악안면외과학회지 Vol.41 No.6
Objectives: This article describes our experience with neck dissection in 10 patients with oral squamous cell carcinoma. Materials and Methods: Between January 2007 and October 2009, 10 patients underwent primary surgery for the treatment of squamous cell carcinoma of the oral cavity. For patients with N 0 disease on clinical exam, selective neck dissection (SND [I-III]) was performed. In patients with palpable cervical metastases (N+), modified radical neck dissections were performed, except in one patient in whom SND (I-III) was performed. The histopath- ologic reports were reviewed to assess the surgical margins, the presence of extra-capsular spread, perineural invasion, and lymphatic invasion. Results: On histopathologic examination, positive soft tissue margins were found in three patients, and regional lymph node metastases were present in five of the ten patients. Perineural invasion was noted in five patients, and extra nodal spread was found in four patients. Regional recurrence was seen in two patients and loco-regional recurrence plus distant metastasis to the tibia was observed in one patient. During the study period, three patients died. Seven patients remain free of disease to date. Conclusion: Histopathological evaluation provides important and reliable information for disease staging, treatment planning, and prognosis. The philosophy of neck dissection is evolving rapidly with regard to the selectivity with which at-risk lymph node groups are removed. The sample size in the present study is small, thus, caution should be employed when interpreting these results.
Anjana Solanki,Jaya Shrivastava,Sumant Upadhyay,Surbhi Choudhary,Vidhika Sharma,Poonam Sharma,Pushpendra Kumar,Praveen Kumar,Sheryl Ehrman,Vibha R. Satsangi,Rohit Shrivastav,Sahab Dass 한국물리학회 2013 Current Applied Physics Vol.13 No.2
The effects of high electronic energy deposition on the structure, surface topography, optical property and photoelectrochemical behavior of barium titanate thin (BaTiO3) films have been investigated by irradiating films with 120 MeV Ag9+ ions at different ion fluences in the range of 1 x 1011-3 x 1012 ions cm-2. Barium titanate thin films were deposited on indium tin oxide-coated glass substrate by solegel spin coating method. The structure of the film was crystalline with tetragonal phase. Surface topography was studied by atomic force microscopy detailing the values of roughness of the films. Maximum photocurrent density of 1.78 mA cm-2 at 0.4 V/SCE and applied bias photon-to-current efficiency (ABPE) of 0.91% was observed for BaTiO3 film irradiated at 1 x 1011 ions cm-2.