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PubMedDate not supplied

Neck dissection prior to radiation therapy for squamous cell carcinoma of tongue base.

BACKGROUND: Squamous cell carcinoma of the tongue base can be treated with comparable control and survival rates when neck dissection (ND) is performed before radiation therapy (RT). METHODS: Fourteen patients were treated between 1990 and 2000. Tumor stage on presentation was: T2, 6; T3, 4; T4, 4. Average radiation dose was 7,268 cGy. Follow-up ranged from 2 to 11 years (median, 50 months). Ten patients (71.4%) who presented with cervical metastases underwent neck dissection. All neck dissections were performed prior to RT. RESULTS: The initial local control rate was 85.7%. The 10-year survival rate was 62.8%. Patients tolerated their procedure well and were ready for RT within 2 to 4 weeks. CONCLUSIONS: Our preliminary data indicate that our treatment protocol results in control and survival rates which are comparable with other regimens. It is our impression that in contrast to patients undergoing ND after radiation, our patients tolerated their initial ND well and were better prepared for the second part of the treatment. Future studies will use quality-of-life research methods to study this aspect of the treatment protocol.

Adult↗
PubMed1979

Technique of preserving the spinal accessory nerve during radical neck dissection.

Preserving the spinal accessory nerve during radical neck dissection eliminates shoulder disability and does not compromise the incidence of neck recurrence in properly selected cases. The literature and standard textbooks only superficially refer to the method dissecting this nerve. We describe our technique of preserving the spinal accessory nerve during radical neck dissection.

Accessory Nerve↗
PubMed2003

Reduction of occult metastatic disease by extension of the supraomohyoid neck dissection to include level IV.

BACKGROUND: Patients with clinically N0 necks will undergo elective removal of lymphatic tissue from levels I, II, and III as part of their routine surgical management. Level IV is omitted on the basis that there is negligible chance of containing significant occult disease. Evidence to support this approach is minimal, and the aim of this study was to increase the yield of metastatically involved lymph nodes by simply extending the supraomohyoid neck dissection (SOHND) to include level IV. METHODS: The records of 49 patients with cancer of the oral cavity undergoing extended supraomohyoid neck dissection (ESOHND) during the period January 1996-March 1999 were reviewed. All patients were staged as having N0 disease. The follow-up period ranged from 12 to 36 months. RESULTS: Thirteen of 55 N0 stage necks showed occult metastasis (26.5%). Neck failure rate occurred in 4 of 49 patients (8.2%). Neck failure rate in the pN0 group was 5.4% and in the pN+ group was 16.6%. Complication rates of ESOHND were noted as 3.6%. No long-term morbidity arose. Occult metastasis in level IV occurred in 5 of 49 cases (10%). Two cases involved other surgical levels. CONCLUSIONS: ESOHND as performed in this study removed occult level IV metastatic regional disease from an extra 10% of patients that, if the patients had undergone SOHND, would have remained undiscovered. No long-term morbidity is associated with this procedure that the authors now recommend as a first-line treatment in all patients with N0 necks.

Carcinoma↗
PubMed2003

Modified radical neck dissection via extra-thyroideal space (MRND vets) in papillary thyroid carcinoma.

The purpose of this study was to describe an alternative lateral neck access to perform lymph nodes sampling and/or neck dissection via extra-thyroideal space (MRND vets) in papillary thyroid carcinoma with lymph nodes involvment. Twenty-four consecutive patients with papillary thyroid carcinoma were included. Lymph nodes sampling and modified radical neck dissection, unilateral or bilateral, were performed acceding via a lateral dissection through a traditional Kocher incision, running along the medial fascia of the neck, posteriorly to the sterno-cleido-mastoideus muscle (SCM). Mean age was 39.04 +/- 13.69 years. Twenty patients were women, and 4 were men. Mean tumor size was 2.5 +/- 1 cm.. Total thyroidectomy with lymph nodes dissection of the central compartment associated to modified radical neck dissection was performed in 17 patients: among these, nine patients had a preoperative diagnosis of the latero-cervical lymph nodes metastases, and eight had a perioperative diagnosis of metastases of the extensive sampling of the lower third of the jugular chain. Metastatic lymph nodes were found in 107 out of 615 lymph nodes dissected. The MNRD vets access for modified lateral neck dissection seems to carry a lower risk in terms of specific morbility and allows a quicker recovery and a better cosmetic result. This access has to be considered as a less invasive procedure compared to other surgical accesses for the radical modified lateral neck dissection.

Adult↗
PubMed1997

CT and MR findings of denervated tongue after radical neck dissection.

PURPOSE: To describe the CT and MR findings in the denervated tongue after a radical neck dissection. METHODS: We retrospectively evaluated the radiologic findings in seven patients who had hypoglossal paralysis following radical neck dissection. None of the patients had clinical or radiologic evidence of tumor recurrence. RESULTS: The side of the tongue operated on showed low density on CT scans. At MR imaging, denervated tongues were clearly seen as hyperintense relative to muscle on T2-weighted images; on T1-weighted images, the signal was hypointense to hyperintense, representing increased extracellular water or fatty degeneration. CONCLUSION: In patients who have undergone a neck dissection for a malignant process, abnormal imaging findings in the tongue not only might indicate a recurrence of tumor involving the hypoglossal nerve but also suggest the possibility of postoperative change. Our findings emphasize the importance of the denervated tongue in differentiating inflammatory from neoplastic diseases of the the tongue.

Adult↗
PubMed2001

Elective neck dissection versus observation in stage I squamous cell carcinomas of the tongue and floor of the mouth.

A retrospective study was undertaken of patients with T1N0M0 squamous cell carcinoma of the oral tongue and floor of the mouth who underwent surgical treatment between 1985 and 1995. Evaluation of two groups of patients (neck dissection versus observation) was made according to the management of the neck. Results were obtained regarding the presence of occult metastases, recurrence in the neck, treatment failure, results of salvage treatment, and disease-free survival. Forty-nine patients underwent surgical treatment: 25 resection of primary and 24 resection plus neck dissection. Overall incidence of regional metastases was 24.5%. Eight patients (16%) developed recurrence of the disease. Seven (14%) had regional recurrences (including 1 with distant metastases) and 1(2%) had local recurrence. Twenty-four percent of patients from the resection of primary group developed neck recurrences in comparison with 4% of the resection plus neck dissection group (P = 0.05). Overall salvage rate was 37.5%. Second primary tumors developed in 16% of patients. Patients who underwent elective neck dissection had a 23% higher disease-free survival rate compared with those who underwent resection of the tumor alone (P = 0.03). The findings of this study stress the importance of control of the neck in early oral cancer. Elective neck dissection significantly improved regional control of the disease.

Adult↗
PubMed2003

Squamous cell carcinoma of the lower lip and supra-omohyoid neck dissection.

PURPOSE: The aim of this study is to evaluate our approach to patients with squamous cell carcinoma of lower lip. PATIENTS AND METHODS: This study includes 31 lower lip squamous cell carcinomas followed up between 1994 and 2000. Primary treatment was applied to 28 patients of whom 23 were in stages I-II and five in stages III-IV. Three patients presented locoregional recurrence. Neck dissection was performed during primary lip resection in patients with palpable cervical lymph node involvement. Patients with unpalpable cervical lymph nodes were divided into two subgroups: one was submitted to elective neck dissection (n = 11) and the other had isolated lip resection (n = 8). Unilateral or bilateral selective supra-omohyoid neck dissection (SOHND) was performed according to the localisation of the disease. Radical dissection was performed in a secondary intervention, when SOHND revealed lymph node metastases. Radiotherapy and chemotherapy were applied for curative and/or adjuvant treatment in addition to surgery in patients with locoregional recurrence and metastatic lymph nodes or with perineural involvement. RESULTS: Occult cervical metastasis within a single lymph node was found in one of the 11 No patients who underwent elective neck dissection. Delayed neck metastasis developed in one of the eight patients in whom isolated lip resection (without neck exploration) was performed. Chemoradiotherapy was administered to this patient, but he died. Neck metastasis was established histologically in four of five patients in stages III-IV. Postoperative radiotherapy was used on these patients. One of the patients in this group died due to inoperable local recurrence in the neck, another died because of distant metastasis. Local mandibular recurrence was seen in one of these patients after three years. COMMENT: Six patients (19%) died due to lower lip carcinoma in this series. Our findings show the importance of elective neck dissection and intact surgical resection margins.

Adult↗
PubMed1997

Comparison of ultrasound-fine needle aspiration and computed tomography in patients undergoing elective neck dissection.

BACKGROUND: Ultrasound of the neck with fine needle aspiration (US-FNA) of suspicious lymph nodes has potential advantages over other radiologic techniques as a screening method for the NO neck in head and neck cancer. METHODS: Twenty-five patients with head and neck cancer who underwent both US of the neck with FNA of any suspicious lymph nodes and neck computed tomography (CT) prior to elective neck dissection were studied. The majority of patients had squamous cell carcinoma (SCC) of the upper aerodigestive tract. Histopathologic results of the neck specimens were compared with each screening technique (palpation, US, US-FNA, CT). RESULTS: Computed tomography (87.9%) and US-FNA (84.9%) had similar overall accuracy in terms of screening the NO neck in our study and were superior to palpation (69.7%) and US alone (72.7%). Specificity was 100% for both CT and US-FNA, with a sensitivity of 60% for CT and 50% for US-FNA. Ultrasound-FNA and CT showed false-negative examinations on virtually the same cases. CONCLUSIONS: Overall, US-FNA was comparable to CT in screening the NO neck in our study. The choice of which modality to employ for imaging the clinically negative neck depends on a number of factors, including the location and clinical extent of the primary tumor as well as the experience and preference of the head and neck surgeon and radiologist.

Biopsy, Needle↗
PubMed1994

The impact of bilateral neck dissection on pattern of recurrence and survival in supraglottic carcinoma.

OBJECTIVE: The findings of an initial evaluation of 202 patients treated for squamous cell carcinoma of the supraglottic larynx have been previously reported. Recurrent disease was observed at the primary site in four patients (2%), in the regional lymphatics in 39 patients (20%), and at distant sites in 24 patients (12%). Critical analysis of patients who demonstrated recurrent disease in the cervical lymphatics indicated that 38 of 39 recurrences developed in nonsurgically treated necks irrespective of the use of postoperative radiation therapy. Accordingly, all patients with supraglottic carcinoma have been treated with routine bilateral neck dissection since that time. We have reviewed our data to determine if bilateral neck dissections deter recurrence and improves survival. DESIGN: A retrospective review of the clinical course of 76 patients undergoing excision of supraglottic squamous carcinoma combined with bilateral neck dissection between 1980 and 1990 was performed to determine survival and recurrence rates. Surgery alone was used to treat 32 patients, while 44 patients were treated with surgery plus adjunctive therapy. SETTING: Department of Otolaryngology--Head and Neck Surgery, The Eye and Ear Institute, University of Pittsburgh (Pa) School of Medicine. RESULTS: Distant metastatic spread was the most frequent site of failure, occurring in nine (11.8%) of 76 patients. Local recurrence was experienced by two patients (1%). The incidence of cervical recurrence (seven patients, 9.2%) following treatment for squamous cell carcinoma of the supraglottic larynx has been reduced from 20% to 9% through the use of bilateral neck dissection. The 2-year survival rate increased from 72% to 76%. CONCLUSION: Routine bilateral neck dissection is beneficial in the surgical management of squamous cell carcinoma of the supraglottic larynx.

Adult↗
PubMed1992

Patterns of failure after radical neck dissection for recurrent nasopharyngeal carcinoma.

Radical neck dissection (RND) for recurrent nasopharyngeal carcinoma (NPC) after radiotherapy was retrospectively evaluated in 38 patients treated between April 1986 and December 1991. Thirty patients (79%) had advanced-stage disease. Four patients required nasopharyngectomy as well as RND. The mortality was 0%, and the morbidity was 13%. The actuarial survival rates at 5 years from the time of initial radiotherapy and RND were 50% and 25%, respectively. Of the 21 patients with relapses after surgical salvage, 5 had recurrences in the nasopharynx, 3 had recurrences in the neck, and 13 had distant metastases. We conclude that RND for recurrent NPC is safe and efficacious; however, it is associated with a significant (34%) incidence of distant metastases. These results can be improved by evaluating patients for distant metastases and excluding those with distant metastases. Improvement in the treatment of distant metastases is also needed.

Adult↗
PubMed1997

Prognostic value of histologic findings in neck dissections for squamous cell carcinoma.

BACKGROUND: Cervical node involvement is the most significant prognostic factor in head and neck squamous cell carcinoma. When histologic findings show node invasion, the number of positive nodes and the presence of extracapsular spread are commonly accepted as prognostic factors. OBJECTIVE: To confirm the findings of recent reports that there is no significant difference in outcome associated with extracapsular spread. SETTING: Referral center. DESIGN: Retrospective study. PATIENTS: Three hundred thirty-seven patients under-going 487 neck dissections for carcinoma of the oral cavity, oropharynx, hypopharynx, and larynx from January 1, 1985, to December 31, 1992. For N3 node involvement, a radical neck dissection was performed; other patients underwent supraomohyoid or functional neck dissection. Two hundred forty-two patients underwent postoperative radiotherapy (mean dose, 59 Gy). OUTCOME MEASURES: Survival capabilities calculated by the Kaplan-Meier method and significance calculated by the log rank test. RESULTS: Overall 5-year survival was 50.8%. The study of prognostic factors showed no significance for extracapsular spread (P = 45). Conversely, the number of positive nodes had a significant value (P < .001). CONCLUSIONS: Extracapsular node spread per se might be considered as no longer having a definitive prognostic value. These results, consistent with those of previous reports, may be due to wider use of combined treatment modalities.

Carcinoma, Squamous Cell↗
PubMed1977

The case for elective prophylactic neck dissection.

The possibility of improving the cure rate of cancer of the head and neck by radical neck dissection of the clinically negative neck (elective neck dissection) continues to pose a therapeutic dilemma. This paper seeks to review the available information, analyze relevant aspects of the issue and attempt to draw conclusions which will be helpful both to physicians and their patients. The discussion is confined to squamous carcinoma of the larynx, pharynx, and oral cavity.

Carcinoma, Squamous Cell↗
PubMed2005

Upper neck spinal accessory nerve identification during neck dissection.

Iatrogenic injury to the spinal accessory nerve (SAN) during neck dissection may result in significant and avoidable morbidity in the form of 'shoulder syndrome'. The authors describe a simple method, based on the anatomy of the sternocleidomastoid muscle (SCM), which allows consistent and rapid identification of the SAN in the upper neck during dissection, thereby facilitating its preservation.

Accessory Nerve↗
PubMedDate not supplied

Intracranial pressure changes during bilateral radical neck dissections.

The management of the contralateral neck in patients with head and neck cancer who have undergone a radical neck dissection (RND) is controversial. A number of these patients will require a second RND. Sacrifice of both internal jugular veins (IJV) has been felt to lead to increased intracranial pressure (ICP) with subsequent neurologic sequelae. From 1987 to 1991 four patients had staged bilateral RNDs at the West Virginia University. In these patients a subarachnoid bolt was placed to directly monitor ICP. Jugular bulb, mean arterial, pulmonary artery, and central venous pressures were monitored. Electroencephalographic (EEG) monitoring was also performed. All patients demonstrated elevations in ICP immediately on head rotation. Further marked elevations were noted immediately after IJV ligation with a maximum peak at 30 minutes. Pressure levels of greater than 40 mm Hg were observed in three of four patients. Systemic hypertension was observed in response to elevated ICP (Cushing's reflex). All patients studied recovered from surgery without significant sequelae. Within 24 hours the ICP had returned to normal in all patients. Three patients required intraoperative intervention to lower their ICP. We demonstrate that even in a staged second RND there are significant rises in ICP. These are to a level that suggests emergency medical intervention is required. We feel that when the second IJV is sacrificed an increase in ICP should be anticipated, monitored, and treated accordingly.

Aged↗
PubMed2006

Salvage neck dissections in oral and oropharyngeal squamous cell carcinoma: histological features in relation to disease category.

The histological findings in a series of 37 salvage neck dissections from patients who had an oral or oropharyngeal squamous cell carcinoma managed initially by primary surgery with or without neck dissection, and without postoperative radiotherapy, are described. None of the cases had an intraoral relapse. Pathological stage N2 or N3 disease was seen in 87% of the 15 salvage dissections from 'wait and watch' necks, 100% of the 10 salvage dissections of contralateral necks and 50% of the 12 salvage dissections of operated necks. The typical 'inverted-cone' pattern of metastasis was seen in 87% of 'wait and watch' necks. Skip or non-contiguous metastases to level III/IV accounted for relapse in 30% of the contralateral and 66% of the operated necks. The median time interval between original surgery and the salvage neck dissection was 15 months (range 1-48 months). In at least 15% of cases, the short time interval coupled with the histopathological features suggested that the metastatic disease suddenly became more rapidly progressive following removal of the primary tumour.

Aged↗
PubMed2000

External beam radiation followed by planned neck dissection and brachytherapy for base of tongue squamous cell carcinoma.

BACKGROUND: Surgical resection of tongue base cancer can leave the patient with significant functional deficits. Other therapies, such as external beam radiation followed by neck dissection and radiation implants, have shown equal tumor control with good functional outcome. METHODS: Between March 1991 and July 1999, 12 patients at Oregon Health Sciences University, the Portland Veterans Administration Medical Center and West Virginia University School of Medicine Hospital were treated with external beam radiation followed by neck dissection and Ir192 implants. Two patients had T1 disease, two had T2, five patients had T3 tumors, and three had T4 tumors. Six had N2a necks, three had N2b necks, and three had N2c. Follow-up ranged from 13 months to 8 years. RESULTS: After external beam radiation, five patients had complete response and seven had partial response in the neck without complications. One patient underwent a unilateral radical neck dissection, eight had unilateral selective neck dissections involving levels I to IV, and three had dissections involving levels I to III. One of the five patients who had a complete clinical response in the neck had pathologically positive nodes. One patient had a pulmonary embolus that was treated and had no permanent sequelae. There were three complications from brachytherapy. Two patients had soft tissue necrosis at the primary site and one patient had radionecrosis of the mandible. All healed without further therapy. One patient had persistent disease and underwent a partial glossectomy but died of local disease. Distant metastasis developed in two patients. All others show no evidence of disease and are able to eat a normal diet by mouth. CONCLUSION: This combination of therapies should be considered when treating tongue base cancer.

Aged↗