Modified Radical Neck Dissection Research Articles

Management of Positive Cervical Lymph Nodes in Parotid Cancer

Objective: Assessment the management of positive cervical lymph nodes in parotid cancer. Associated clinical symptoms, histological types, regional lymph node stage (n stage), occult metastasis, neck dissection by level, recurrence, neck irradiation. Methods. We carried out a retrospective analysis of 43 patient’s pathological positive lymph nodes metastatic from parodied cancer, who underwent neck dissection. treated in years 2010-2020, we analyzed the following parameters: age, sex, pT-Status, tumour size, skin invasion, facial nerve palsy, tumour fixation, extraparotid extension, localization, grade, histology, Distribution of T classification was: T3 (60%), and T4 (40%). Results: Mean patient age was 52 years, the most common location of cervical Nodes Met. was level II (72%), then III (49%) then I (42%), then IV (40%) and V (19%). The incidence was highest among patients with (27.9%) mucoepidermoid carcinoma was most common, followed by (14.6%) carcinoma ex-pleomorphic adenoma (9.3%) with acinic cell carcinoma (7%) with squamous cell carcinoma, (11.6%) with adenoid cystic carcinoma, (7.0%) with adenocarcinoma, (7.4%) salivary duct carcinoma, When classified by histological grade, 35% of patients with low/intermediate-grade versus 65.0% high-grade ., Pre-operative fine needle aspiration (83.7%) patients, Post-surgical irradiation was performed in all 43 patients (100%). The resection status (R) was Negative margins R0. (93%), lymphovascular space invasion (44.2%) and (25.6%) had perineural invasion. Skin invasion in (14%) patients, and (4.7%) had regional nodal recurrence (7%) patients with pN1, vs (93%) patients with pN2. Pathologically positive lymph node 4 (range: 1–8 Nodes) lymph nodes harvest 29(range, 23–41 lymph nodes)., Conclusion: modified Radical Neck Dissection with additional radiotherapy should be carried out in patients. Nodes positive parotied cancer especially High histological stage, advanced stage, perineural invasion, positive operative edge, a fixed mass with extra parotid extension facial-nerve paralysis and tumor pain in partied cancer.

The X-pointer: A forgotten anatomical relationship of spinal accessory nerve and great auricular nerve

IntroductionThe preservation of the spinal accessory nerve cannot be overlooked in neck dissection. Injury to the nerve results in shoulder dysfunction and other related morbidities. In this article, we describe a unique constant relationship between spinal accessory nerve and great auricular nerve, at the junction of the anterior and posterior triangles of the neck, eponymously labelled the X- pointer. MethodologyThis was an observational study conducted at a tertiary care cancer centre that runs a comprehensive surgical training program. A 100 cases of modified radical neck dissection performed for oral cavity squamous cell carcinoma from January 2017 to January 2019 in were included. The relationship was analyzed in 100 cases of neck dissection for its constancy. ResultIn all the 100 cases, the X-pointer was demonstrated as a constant anatomical relationship between the spinal accessory nerve and great auricular nerve. The crossing over of the nerve on the undersurface of the sternocleidomastoid muscle is constant and independent of the patient's body proportions. ConclusionsThe relationship between the spinal accessory nerve and great auricular nerve remains constant irrespective of the technique of neck dissection and body habitus of the patient. In our view, this relationship can be used as an additional confirmatory landmark to prevent inadvertent injury to the spinal accessory nerve.

Prophylactic Glycopyrrolate Administration to Aid Otolaryngology Residents in Prevention of Post-laryngectomy Pharyngocutaneous Fistula.

Pharyngocutaneous fistula (PCF) after laryngectomy occurs when there is a failure in the pharyngeal repair resulting in a salivary leak (Dedivitis et al. in Acta Otorhinolaryngol Ital 27(1):2-5, 2007). In the post-operative period this complication is not only a challenge to the surgeon but also distressing to the patient and his family. We conducted a retrospective cum prospective study, to research the effect of starting prophylactic glycopyrrolate intravenous injection in total laryngectomy. Fifty patients underwent total laryngectomy with modified radical neck dissection over a period of 5years by the trainee otolaryngologists. Of these 25 patients were started on glycopyrrolate for 7 post-operative days. And 25 control patients, who were not given glycopyrrolate. All the patients were observed for evidence of PCF. Of the total 50 patients, only 1 patient in study group and 12 patients in the control group developed PCF. This was statistically significant (p value 0.0039). Tumor stage, site, and gender were found to have no statistically significant correlation with development of PCF. The prophylactic administration of glycopyrrolate was found to reduce the odds of development of PCF in total laryngectomy cases. There was associated blurring of vision and constipation amongst the cases subjects, which was only transient with complete recovery on cessation of drug.

Weight change in patients with differentiated thyroid carcinoma after total thyroidectomy versus lobectomy.

Thyroid hormone is an important hormone in maintaining metabolism and homeostasis in the body. There exists a common perception among patients that thyroid surgery will cause weight gain. Prevention of any undesired weight gain could be important for the maintenance of well-being in most patients. Our study compares changes in body mass index (BMI) and weight after total thyroidectomy or lobectomy in thyroid cancer patients. A total of 967 patients with differentiated thyroid carcinoma were enrolled in the study, from March 2011 to July 2016 at Chung-Ang University Hospital. Exclusion criteria were less than lobectomy, modified radical neck dissection, recurred operation, and combined operation for other causes. Primary endpoints were change in body weight and BMI at 2 years after surgery. A subgroup analysis was performed for patients with significant weight change. There were no differences between both groups in BMI after 2 years of thyroid operation. Thyroid stimulating hormone (TSH) levels were not significantly different. Fifteen percent of patients showed significant change in body weight after 2 years of operation. The subgroup analysis of these patients showed no significant differences in gender, age, or extent of operation between those who had gained weight compared to those who had lost weight. There were also no differences in postoperative TSH levels, levothyroxine supplementation, or radioactive iodine treatment. There was a minimal postoperative increase in mean BMI over the years in patients undergoing thyroidectomy for differentiated thyroid cancer. However, weight change did not differ in those undergoing thyroid lobectomy or total thyroidectomy.

Reverse blood flow in cervicofacial veins after venous ligations: Potential implications in microsurgery

The consequences on the cervicofacial venous circulation of major cervicofacial vein ligations are poorly known. We aimed to highlight by using Doppler Ultrasound flow differences in the cervicofacial venous network in the case of unilateral or bilateral ligation of main venous collector trunks (external jugular vein [EJV] and internal jugular vein [IJV]) METHODS: A Doppler ultrasound was performed on 10 healthy volunteers, 8 patients with previous bilateral ligation of the EJV, 8 with a unilateral ligation of the EJV, and 8 with a unilateral ligation of the EJV and IJV, after modified radical neck dissection. The diameter, the flow direction and the peak systolic velocity (PSV) of the superficial temporal vein, the facial vein (FV) and the IJV were measured. Healthy patients had a similar right and left PSV for all the veins studied, with always antegrade flows. Patients with previous ligations had some significant right/left differences and retrograde flows. A redistribution of venous blood flow on the contralateral side of the face and neck seems to take place in the case of unilateral ligation of the EJV and/or IJV. Retrograde flows are sometimes observed in the case of previous ligation of the EJV and/or IJV and might compromise the success of venous microanastomoses.

Does Pectoralis Major Myocutaneous Flap Cause the Shoulder Morbidity: A Clinical Comparative Study.

The aim was to compare the morbidity of shoulder function following modified radical neck dissection with and without Pectoralis Major Myocutaneous muscle flap (PMMC) harvest in head and neck cancer patient to determine the effect of PMMC flap harvest on shoulder function and also to determine the effect of physiotherapy. Materials and methods: Prospective study involving two groups study group of 20 patients with MRND, with PMMC flap reconstruction as part of head and neck cancer surgery and control group of 20 patients who had undergone MRND(IJV & SAN sparing) without PMMC flap in same period were included. All patients were assessed at 3rd and 6th month following completion of surgery using subjective (Shoulder Disability Questionnaire) and objective (goniometer and manual muscle testing) parameters. 40 patients were included in the study, 33 (82.5%) male and 7 (17.5%) female with a mean age of 49years with stage III/IV carcinoma In Group-1 and Group-2 the shoulder disability decreased significantly after physiotherapy intervention and also at 6thmonth postoperatively both groups showed improvements in shoulder range of motion and muscle strength. Harvesting of PMMC flap does not intensify the morbidity of shoulder which is common in RND and during MRND. A regimen of home-based exercises and patient education are effective tools to reduce shoulder disability and improving shoulder function.

Internal Jugular Vein Thrombosis Following Different Types of Neck Dissection.

Introduction:During functional neck dissection, the surgeon tries to preserve the internal jugular vein (IJV); however, the incidence of its narrowing or obstruction following modified radical neck dissection (MRND) or selective neck dissection (SND) varies between 0% and 29.6%. The most distressing complication of IJV thrombosis (IJVT) is pulmonary embolism. This study aimed to evaluate the incidence of IJVT following selective or modified radical neck dissection. Materials and Methods:In this study, 109 neck dissections were performed with the preservation of the IJV on 89 patients from March 2011 to December 2012 in the Cancer Institute of Imam Khomeini Hospital Complex, Tehran, Iran. Ultrasound evaluation of the IJV was performed in the early postoperative period and three months after the surgery.Results:The study population consisted of 62 male and 27 female patients with a mean age of 57+17.57 years. Ultrasound evaluation of the IJV among the participants (109 veins) indicated thrombosis in nine veins (8.25%) in the early postoperative period, four of which remained thrombotic and without flow three months after the surgery. Moreover, 96.33% of the IJVs were patent with a normal blood flow three months after the neck dissection. Among the evaluated IJVs, the only factor that showed a significant association with IJVT was the incidence of postoperative complications, including hematoma and seroma (P=0.01). Conclusion:It seems that the most important factor for the prevention of the IJVT is a meticulous surgery and surgical complication avoidance during neck dissection.

Postoperative Chylothorax after Modified Radical Neck Dissection for Thyroid Carcinoma: A Missable Rare Complication of Thyroid Surgery.

Background and objectives: Currently, few studies have been conducted on postoperative chylothorax, specifically in total thyroidectomy with modified radical neck dissection (MRND) in papillary thyroid carcinoma patients. This study provides the actual incidence, etiology, and clinical features of postoperative chylothorax and reports the clinical outcomes after treatment, which were dependent upon the severity of the complications. Materials and Methods: The medical charts of 111 papillary thyroid cancer (PTC) patients who underwent total thyroidectomy with modified radical neck dissection from January 2016 to December 2018 were reviewed retrospectively. The results were compared in three groups: the no chylothorax group, the subclinical (asymptomatic) group, and the clinical (symptomatic) group. Results: Chylothorax occurred in 23 patients (20.7%, 23/111). Nineteen (82.6%, 19/23) were subclinical chylothorax cases, which implies a small amount of chyle leakage with no respiratory symptoms. Four (17.4%, 4/23) were clinical, meaning they had either respiratory symptoms, such as dyspnea, desaturation, or a large amount of chylothorax in the images. The incidence was significantly higher in patients who underwent left modified radical neck dissection, and this corresponds to the side in which chylothorax occurred. There were also statistical differences in the drainage color, peak amount, or drain removal time. Conclusions: Postoperative chylothorax is a rare complication following neck dissection. However, it can be fatal if the condition progresses. Therefore, patients who undergo total thyroidectomy with modified radical neck dissection, especially on the left side, should be monitored for respiratory symptoms, and serial chest x-ray images obtained.

Initial Experience With Robotic Modified Radical Neck Dissection Using the da Vinci Xi System Through the Bilateral Axillo-Breast Approach.

Objectives. The bilateral axillo-breast approach (BABA) to robotic thyroidectomy has been extended to modified radical neck dissection (MRND). This study assessed outcomes in patients who underwent robotic MRND through BABA using the da Vinci Xi system.Methods. The medical records of 40 patients who underwent total thyroidectomy, bilateral central neck dissection, and MRND from September 2018 to March 2020 were reviewed retrospectively, including 12 who underwent robotic surgery and 28 who underwent open surgery. All operations were performed by a single endocrine surgeon.Results. The operation time was significantly longer in the robotic group than in the open group (277.08±32.64 vs. 191.43± 60.43 minutes, respectively, P<0.01), but the number of retrieved lymph nodes did not differ significantly (32.58± 9.31 vs. 34.54±10.90, respectively, P=0.569). The incidence of transient hypoparathyroidism was significantly lower in the robotic group (16.7% [2/12] vs. 53.6% [15/28], P=0.041). The mean hospital stay was shorter (3.92±0.90 vs. 4.71±1.63 days) and the pain score on the first postoperative day was lower (2.92±0.29 vs. 3.18±0.67) in the robotic group. Six of the 12 patients (50%) in the robotic group had stimulated thyroglobulin levels <1.0 ng/mL.Conclusion. Robotic MRND through BABA has several advantages, including excellent cosmetic outcomes and a lower incidence of transient hypoparathyroidism than is the case for open MRND. Robotic MRND through BABA may be a promising surgical approach compared with conventional open MRND.

Management of Lateral Multiple-Level Metastasis in N1b Papillary Thyroid Microcarcinoma.

Background: The optimal extent of therapeutic lateral neck dissection (LND) in the management of N1b papillary thyroid microcarcinoma (PTMC) is still under debate in clinical practice. In this light, our study aims to explore the incidence, patterns, and predictive factors of the lateral multiple-level metastasis in N1b PTMC patients.Methods: The clinical records of 142 patients diagnosed with N1b PTMC who underwent therapeutic LND from July 2015 to November 2018 at our institution were retrospectively reviewed. Univariate and multivariate analyses were conducted to examine the predictive factors associated with lateral multiple-level metastasis. The recurrence-free survival was analyzed and confirmed by Kaplan–Meier plots and log-rank test.Results: The overall frequency of lateral multiple-level metastasis was 50.7% in N1b PTMC patients, and two-level to four-level simultaneous metastasis were present in 26.8, 17.6, and 6.3% patients, respectively. Extrathyroidal extension (ETE) (OR = 5.79, 95% CI, 1.36–24.59; P = 0.017) and the central metastatic lymph node ratio (CLNR) with values equal or higher than 0.61 (OR = 6.18, 95% CI, 2.53–15.09; P < 0.001) served as independent predictors of multiple-level metastasis in N1b PTMC patients. Moreover, locoregional recurrence was significantly higher in the selective neck dissection (SND) group compared to the modified radical neck dissection (MRND) one (HR = 3.65, 95% CI, 1.11–12.00; P = 0.03).Conclusion: Our results show that the lateral multiple-level metastasis was relatively common, and we suggest MRND to be considered for N1b PTMC patients with ETE or CLNR equal or higher than 0.61.

Metastatic implantation of oral cancer in forearm: An unusual presentation

Metastatic implantation of cancer cells at a free flap graft donor site is a very unusual presentation. The possible mechanism is accidental contamination of the graft site by instruments used for surgery on the primary site. The other potential causes are the hematogenous spread of the tumor and de novo tumorigenesis. This report describes the case of a 65-year-old gentleman with carcinoma of the left buccal mucosa, which underwent wide local excision of the growth with type III modified radical neck dissection with radial forearm free flap reconstruction and subsequently developed a metastatic nodule over the graft donor site after 3 months. The nodule was excised with an adequate margin after which the patient refused to undergo any further treatment. Proper care taken while dealing with the tumor as well as the graft donor site shall avoid such iatrogenic complications due to possible accidental contamination of the graft donor area.

Malignant tumours of the parotid gland: management of the neck (including the clinically negative neck) and a literature review

Major salivary gland malignancies are rare, constituting 1%-3% of head-neck tumours. The surgical management of the clinically negative neck (cN0) does not have a univocal consensus yet. We have carried out a retrospective study on 119 cases of malignant parotid tumours that were surgically treated between January 1999 and January 2014. Our aim was to analyse preoperative findings (cytotype, cTNM) and to correlate these with postoperative results (grading, histotype, occult neck metastasis) in patients with parotid tumours to obtain an appropriate indication for neck management. In cN0 patients with a T1, T2 low-grade cancer a wait-and-see approach is preferred. Instead, in cNO patients with high-grade or low-grade T3, T4 tumours an elective neck dissection (END) is always planned. Levels II, III and IV, at least, must be dissected. The decision to dissect level V or I depends on the location of the primary tumour. In the cN0 group 19 of 58 (32.7%) patients who underwent an END had occult metastases. In clinically positive neck (cN+) patients a Modified Radical Neck Dissection (MRND), at least, must be performed. The criteria to add adjuvant radiotherapy (PORT) include deep lobe parotid tumours, advanced lesions (T3-T4), microscopic (R2) or macroscopic (R1) residual disease after surgery, high grade tumours, perineural diffusion, lymph node metastasis, capsular rupture, and local recurrence after previous surgery. Kaplan-Meier analyses have shown a reduction in the overall survival (OS) from 100% to 91% and in disease-free survival (DFS) from 100% to 95.5% for the NO-PORT and PORT group, respectively. In our study, the cN0 pN+ patients had a higher degree of DFS compared to the cN+.

Effect of Muscle Energy Techniques V/S Active Range of Motion Exercises on Shoulder Function Post Modified Radical Neck Dissection in patients with Head and Neck Cancer - A Randomized Clinical Trial.

Purpose:Shoulder and cervical pain, reduced mobility and disability are some of the major complications associated with surgeries of head and neck cancers affecting several domains of quality of life. In the present study we aimed to compare the effectiveness of Muscle Ener-gy Techniques (METS) and Active Range of Motion Exercises in reducing pain, improving shoulder mobility and function in patients post Modified Radical Neck Dissection (MRND). Methods:Forty eight subjects were randomly assigned to two groups. Group A received active range of motion (AROM) exercises and group B received Muscle energy techniques (METS). Both the groups were treated for a period of 10 consecutive days starting from the 3rd to 5th postoperative day. Data was collected on the 1st and 10th day of intervention. Results:Both groups showed highly significant improvements in shoulder range of motion , decrease in pain and better Global Rating Change cores(GRCS) (p=0.005). GRCS and shoul-der abduction showed significant improvement in group B when compared to group A, sug-gesting better clinical outcomes in those treated with Muscle Energy Techniques. Conclusion:This study showed that both METs and AROM exercises were effective in im-proving shoulder range of motion, function and reducing pain in patients post MRND but-Muscle Energy Techniques were more effective when compared to AROM exercises.

A nomogram to predict skip metastasis in papillary thyroid cancer

BackgroundSkip metastases are defined as lateral lymph node metastasis (LNM) without the involvement of central LNM in papillary thyroid cancer (PTC), and it is difficult to predict in clinical practice. Our study aimed to investigate the risk factors of skip metastasis and establish a nomogram for predicting the probability of skip metastasis in PTC patients.Patients and methodsA total of 378 consecutive PTC patients with clinically suspected LNM who underwent modified radical neck dissection (MRND) from March 2018 to July 2019 in our hospital were enrolled. Univariate and multivariate analyses were used to examine risk factors of skip metastasis, and a nomogram prediction model was established and internally validated.ResultsThe incidence of skip metastases was 11.6% (44/378). Primary tumor size of ≤ 1 cm (OR = 2.703; 95% CI, 1.342–5.464; P = 0.005), age (OR = 1.051; 95% CI, 1.017–1.805; P = 0.005), and primary tumor location in the upper portion (OR = 6.799; 95% CI, 2.710–17.060; P < 0.001) were found to be independent risk factors for skip metastasis in PTC patients. A nomogram based upon these predictors performed well. The area under the curve (AUC) was 0.806 (95% CI, 0.736–0.876), and the P value of the Hosmer-Lemeshow goodness of fit test was 0.66. Decision curve analysis revealed that the nomogram was clinically useful.ConclusionBased on the risk factors of skip metastasis, a high-performance nomogram was established, which can provide an individual risk assessment and can guide treatment decisions for patients.

Assessment of YouTube as an Educational Tool in Teaching Key Indicator Cases in Otolaryngology During the COVID-19 Pandemic and Beyond: Neck Dissection

ObjectivesYouTube has become the preferred resource for trainees in otolaryngology to prepare for surgery. This study aimed to compare the evaluation by 2 attending physicians and 2 resident physicians of the quality of videos on YouTube on neck dissection, a key indicator case in head and neck surgery. The authors aimed to assess the quality and quantity of YouTube videos available for development of a virtual surgical educational curriculum for trainees in otolaryngology.MethodsUsing the YouTube search feature, the top 10 videos by relevance and view count were compiled using the following search terms: radical neck dissection, selective neck dissection, modified radical neck dissection, lateral neck dissection, levels I-III neck dissection, levels II-IV, left neck dissection, right neck dissection, cervical nodal dissection, and supraomohyoid neck dissection. A total of 37 videos on neck dissection were identified and analyzed using the LAP-VEGaS criteria as well as author-specific modified LAP-VEGaS criteria.ResultsThe mean comprehensive LAP-VEGaS score was 8.74 (SD 3.10). The majority of videos (24/37) were designated as medium quality; 10 of 37 videos were low quality and 3 of 37 videos were high quality. In the total group analysis, there was excellent inter-rater reliability between attending physicians (Cohen's kappa coefficient of 0.84) and good inter-rater reliability between resident physicians (Cohen's kappa coefficient of 0.58). There was no correlation between total view count, video age, or number of likes/dislikes and the overall LAP-VEGaS score. The presence of audio or written commentary had a moderate positive correlation with LAP-VEGaS score (adjusted R2 of 0.36). There was no statistically significant difference in video quality between videos posted by US and non-US based physicians (95% confidence interval −0.10 to 4.10; p = 0.06). However, videos made by an otolaryngology-trained physician had a LAP-VEGaS score that was 3.93 points higher (95% confidence interval 2.34-5.52; p < 0.001) than that of videos made by a nonotolaryngology-trained physician.ConclusionsOnline videos of neck dissection represent an increasingly ubiquitous and appropriate resource for trainees in learning otolaryngology key indicator cases. While free-to-access video repositories, such as YouTube, have become increasingly popular among trainees as a primary resource for learning and preparing for surgical cases, they lack consistent quality and as such, global efforts should be taken to improve the breadth and depth of educational video content in otolaryngology.

Robot-assisted real-time sentinel lymph node mapping in oral cavity cancer: preliminary experience.

This study aims to assess the feasibility of using indocyanine green and robotic near infra-red fluorescent imaging (Firefly®) for sentinel lymph node biopsy in cN0 oral cavity cancer. Ten patients with early squamous cell carcinoma of the tongue (n = 8) and buccal mucosa (n = 2) were included. Peritumoral injection of 10mg indocyanine green and real-time mapping of sentinel lymph nodes in the neck was performed using Firefly® via a retro-auricular trans-hairline incision. Sentinel lymph node was detected in all patients at 1.2 sentinel lymph node per person. Majority were situated in level II (91.7%). Mean time to detection of sentinel lymph node was 171.0 (68.0-312.0)s. Mean signal-to-background ratio was 5.62 (3.51-7.91). Frozen section of one sentinel lymph node was positive for malignancy, paraffin section of which confirmed the presence of metastatic disease. Modified radical neck dissection was performed for that particular patient, paraffin section of which did not show any tumor deposit. Frozen section and paraffin section of all other sentinel lymph nodes (n = 11) and neck dissection specimens yielded no malignancy. All resection margins were clear. Three patients completed adjuvant radiotherapy for pT2N0 (n = 2) and pT2N1 (n = 1) carcinoma of the tongue. Mean follow-up was 12.0 (4.0-18.0) months. All patients were alive at last follow-up with no disease recurrence. There were no adverse outcomes associated with the use of indocyanine green and robot-assisted neck dissection. Indocyanine green and Firefly® for sentinel lymph node biopsy in cN0 oral cavity cancer is feasible with no adverse effects.

Histopathological spectrum of tumor and tumor like lesions of oral cavity and oropharynx in tertiary care hospital

Background: Oropharyngeal cancers are most commonly observed cancers in Indian population. Oropharyngeal cancers have a poor prognosis. A histopathological study of lesions will give the exact cause and helps in initiation of optimal therapy at the earliest. Settings and design: Prospective study Aims: To study the histopathological changes in tumour and tumour like lesions of oral cavity and oropharynx Material and Methods: A prospective study was carried out in patients of oral cavity and oropharynx lesions. Total 100 biopsies and resected specimens were studied. Data included sociodemographic data, clinical features and histopathological diagnosis of the specimen. Statistical analysis used: Appropriate statistical tests Results and Conclusion: In our study we observed 10% tumor like lesions, 4% benign lesions, 4% premalignant lesions and 63% malignant lesions. Mucocele was the commonest tumor like lesion. Squamous cell carcinoma was the most common malignant lesion in our study seen in 95.2% cases. Out of 60 Squamous cell carcinoma cases, 11.6% had lymph node metastases and 3.3% showed lymphovascular invasion. In TNM staging of 14 cases who underwent resection with modified radical neck dissection, maximum number of cases belonged to Stage II (35.71%) and Stage IV (35.71%). Keywords: Histopathology, Oral cavity, Oropharynx, Tumor, Tumorlike.

Modified MacFee Incision for Modified Radical Neck Dissection of Oral Cancer for Acceptable Aesthetic Results.

Modified MacFee Incision for Modified Radical Neck Dissection of Oral Cancer for Acceptable Aesthetic Results.

Thoracic Duct Embolization for Chyle Leakage after Thyroid Surgery

Chyle leakage (CL) due to lymphatic injuries is one of the rare complications that can develop after thyroidectomy. There are few studies on lymphatic embolization performed in case of CL after thyroid surgery. We report two cases of CL after thyroid surgery that were effectively treated by thoracic duct embolization. The patients had previously undergone total thyroidectomy with central compartment neck dissection with or without modified radical neck dissection. The amount of drainage from the operative site was ＞1000 mL per day in one patient and ＞500 mL per day in the other. In both cases, CL stopped after the thoracic duct embolization. Thoracic duct embolization seems to be an effective and important treatment option for CL after thyroid surgery.

A Case of Brachial Plexus Neurorrhaphy During Revisional Modified Radical Neck Dissection

A Case of Brachial Plexus Neurorrhaphy During Revisional Modified Radical Neck Dissection