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PubMed1985

Objective comparison of physical dysfunction after neck dissection.

Thirty-five patients who underwent a total of 44 neck dissections of various types were prospectively studied to compare differences in postoperative shoulder function. Those who underwent a radical neck dissection suffered the greatest reduction in shoulder movement and had severely abnormal electromyograms. Those who underwent modified neck dissection with preservation of the spinal accessory nerve suffered less loss of shoulder function than the radical neck dissection group, but not to a significant degree at 16 weeks; however, the electromyograms of patients who underwent modified neck dissection were significantly better than those of the radical neck dissection group, which suggests that these patients may improve with time. Indeed, a reevaluation of several patients at 1 year showed improvement in both shoulder function and electromyograms in those who underwent modified neck dissection. Patients who underwent supraomohyoid neck dissection that involved minimal dissection of the spinal accessory nerve had minimal loss of shoulder function and usually, normal electromyograms at 16 weeks that documented less injury to the spinal accessory nerve. Again, these patients had improvement with time. A correlational analysis revealed that the physical parameters correlated well with the electromyographic findings, whereas each patient's perception of disability did not. These findings suggest that, in patients in whom it is oncologically sound, a neck dissection that spares the spinal accessory nerve offers significant benefit in terms of shoulder function.

Accessory Nerve↗
PubMedDate not supplied

Neck dissection: concepts, controversies, and technique.

The various types of neck dissections are described. The indications for each type of neck dissection are discussed for patients with necks staged N0, N+, for the patient with an unknown primary and for the patient whose neck dissection is in conjunction with radiation. The technical aspects of modified neck dissections are addressed but not in great detail. The indications for the use of postoperative radiation are emphasized. The nodal groups at risk for metastases from various primary sites are identified and a terminology for neck dissection is suggested.

Humans↗
PubMed1997

Postoperative hypertension after radical neck dissection.

Postoperative hypertension after radical neck dissection was detected in 20.2% of 109 neck dissections in our department between 1989 and 1993. It was probably caused by carotid sinus denervation and appeared after the vasodilation generated by anesthesia had subsided. If postoperative hypertension was encountered after the first operation, the risk of such hypertension after surgery on the contralateral side significantly increased.

Adult↗
PubMed1977

Indications for neck dissection in carcinoma of the lip.

In the past, neck dissections have been recommended only when nodes were clinically palpable or when they became so. A retrospective ten year study of thirty-seven patients with carcinoma of the lip and with an unusually high mortality has allowed reevaluation of indications for neck dissection. (1) Ten of thirty-seven patients died of this disease and nearly all of the ten died with and because of regional metastases. (2) Seven patients with nonpalpable nodes initally had nodal metastases later which, despite neck dissection at that later time, proved lethal. (3) Two patients who, despite nonpalpable nodes, had undergone neck dissections and were found to have occult bilateral nodal metastases were effectively cured with early neck dissection. This suggests that early bilateral supramohyoid neck dissections for small carcinomas of the lip and ipsilateral radical neck dissections for large primaries may yield higher cure rates than currently achieved.

Adult↗
PubMed1995

[Three cases of postoperative laryngopharyngeal edema following nonsimultaneous bilateral radical neck dissection].

Three cases of postoperative laryngopharyngeal edema following nonsimultaneous radical neck dissection are presented. Case 1 was a 65-year-old male with tongue cancer and left cervical lymph node metastases. Hemiglossectomy, reconstruction of the floor of the mouth with a free rectus abdominis flap, and left radical neck dissection had been performed. Postoperatively, the tongue and left upper neck were irradiated. Seven months later, right cervical lymph node metastases were observed. Right radical neck dissection was performed, and immediately after extubation, upper airway stenosis due to severe laryngopharyngeal edema occurred. Emergent tracheostomy saved his life. Case 2 was a 55-year-old female with tongue cancer and right cervical lymph node metastases. Radium needles had been implanted in the tongue, and right radical neck dissection was performed. Three months later, left cervical lymph node metastases were found. Left radical neck dissection was performed and, as in Case 1, upper airway stenosis revealed immediately after extubation. Since the situation was anticipated, an immediate tracheostomy was done. Case 3 was a 43-year-old male with laryngeal cancer and left cervical lymph node metastasis. Irradiation of the larynx and the bilateral upper neck followed by left radical neck dissection and partial laryngohypopharyngectomy had been performed. Five years later, right cervical lymph node metastasis was observed. Right radical neck dissection was performed, and laryngoscopic examination before extubation revealed severe laryngopharyngeal edema. In this case, tracheostomy was performed before extubation. To our knowledge, there have been only five cases of postoperative laryngopharyngeal edema, following nonsimultaneous radical neck dissection, reported in the literature.

Adult↗
PubMed1997

Long-term regional control after radiation therapy and neck dissection for base of tongue carcinoma.

PURPOSE: Minimal literature exists with 10-year data on neck control in advanced head and neck cancer. The purpose of this study is to determine long-term regional control for base of tongue carcinoma patients treated with primary radiation therapy plus neck dissection. METHODS AND MATERIALS: Between 1981-1996, primary radiation therapy was used to treat 68 patients with squamous cell carcinoma of the base of tongue. Neck dissection was added for those who presented with palpable lymph node metastases. The T-stage distribution was T1, 17; T2, 32; T3, 17; and T4, 2. The N-stage distribution was N0, 10; N1, 24; N2a, 6; N2b, 11, N2c, 8; N3, 7; and Nx, 2. Ages ranged from 35 to 77 (median 55 years) among the 59 males and nine females. Therapy generally consisted of initial external beam irradiation to the primary site (54 Gy) and neck (50 Gy). Clinically positive necks were boosted to 60 Gy with external beam irradiation. Three weeks later, the base of tongue was boosted with an Ir-192 interstitial implant (20-30 Gy). A neck dissection was done at the same anesthesia for those who presented with clinically positive necks, even if a complete clinical neck response was achieved with external beam irradiation. Neoadjuvant cisplatin-based chemotherapy was administered to nine patients who would have required a total laryngectomy if their primary tumors had been surgically managed. The median follow-up was 36 months with a range from 1 to 151 months. Eleven patients were followed for over 8 years. No patients were lost to follow-up. RESULTS: Actuarial 5- and 10-year neck control was 96% overall, 86% after radiation alone, and 100% after radiation plus neck dissection. Pathologically negative neck specimens were observed in 70% of necks dissected after external beam irradiation. The remaining 30% of dissected necks were pathologically positive. These specimens contained multiple positive nodes in 83% despite a 56% overall complete clinical neck response rate to irradiation. Regional failure occurred in only two patients, neither of whom underwent adjuvant neck dissection. Symptomatic neck fibrosis (RTOG grade 3) was not observed. Actuarial 5- and 10-year local control was 88% and 88%, disease-free survival was 80% and 67%, and overall survival was 86% and 52%. CONCLUSION: For base of tongue cancer, most patients can obtain long-term regional control with no severe complications after definitive radiation therapy, plus neck dissection for those who present with lymphadenopathy. Complete clinical regression of palpable neck metastases after irradiation poorly correlates with pathologic outcome. Our current policy is to include neck dissection at the time of implantation for patients who present with palpable neck metastases. We realize that this therapeutic approach may overtreat some patients, but we are reluctant to change our policy in light of these excellent outcomes.

Adult↗
PubMed2000

[Classification of the neck dissections].

The distribution of the neck surgery dissections proposed by the Academy Committee for Head Neck Surgery and Oncology, Education of the Head Neck Surgery (year 1991) was discussed in this paper. The authors are in the agreement with proposed distribution and strongly recommend its implementation in Poland. The standard radical neck dissection according to Crile was accepted as the base of this distribution. Neck dissection similar to Crile's operation but with saving up important anatomical structures (n. XI., vena jugularis int., m.scm) was called modified radical neck dissection (type I-III). Excision of the lymphatic system from the well-defined regions of the neck with saving up nonlymphatic structures and/or group of lymphatic system same in Crile's operation with additional nonlymphatic structures and/or another lymphatic nodules nonmentioned in Crile's operation is called enlarged radical neck dissection.

Humans↗
PubMed2000

Selective neck dissection in the management of the clinically node-negative neck.

OBJECTIVE: To evaluate the efficacy of the selective neck dissection (SND) in the management of the clinically node-negative neck. STUDY DESIGN: Case histories were evaluated retrospectively. METHODS: The results of 300 neck dissections performed on 210 patients were studied. RESULTS: The primary sites were oral cavity (91), oropharynx (30), hypopharynx (16), and larynx (73). Seventy-one necks (23%) were node positive on pathological examination. The number of positive nodes varied from 1 to 9 per side. Of necks with positive nodes, 17 (24%) had extracapsular spread. The median follow-up was 41 months. Recurrent disease developed in the dissected neck of 11 patients (4%). Two recurrences developed outside the dissected field. The incidence of regional recurrences was similar in patients in whom nodes were negative on histological examination (3%) when compared with patients with positive nodes without extracapsular spread (4%). In contrast, regional recurrence developed in 18% of necks with extracapsular spread. This observation was statistically significant. Patients having more than two metastatic lymph nodes had a higher incidence of recurrent disease than the patients with carcinoma limited to one or two nodes. Recurrence rate in the pathologically node positive (pN+) necks was comparable to recurrence in those pathologically node negative (pNO) necks in the patients who did not have irradiation. CONCLUSION: SND is effective for controlling neck disease and serves to detect patients who require adjuvant therapy.

Adolescent↗
PubMed1996

Selective neck dissection and the management of the node-positive neck.

OBJECTIVE: To assess the oncologic effectiveness of the selective neck dissection (SND) in patients with both clinically and pathologically proven regional metastases. METHODS: A 4-year retrospective medical chart review was conducted in an academic tertiary care referral center. Twenty-nine patients with a newly diagnosed upper aerodigestive tract squamous cell carcinoma, and both clinically and histologically proven cervical metastases who underwent 36 SND, had their records reviewed. Minimum follow-up was 2 years. RESULTS: Regional metastasis were staged N1 in 13 patients, N2A in 1, N2B in 8, and N2C in 7. Seventeen supraomohyoid and 19 lateral neck dissections were performed. Extracapsular spread of tumor was present in 11 patients. Postoperative radiation therapy was administered to 20 patients. Actuarial disease-specific survival at 4 years was 47% overall, 67% in N1 patients, and 41% in N2 patients. Only 1 failure in the treated neck occurred for a 4-year actuarial regional failure rate of 4%. The actuarial local failure and distant metastasis rate were 36% each. CONCLUSIONS: In carefully selected patients with clinically and histologically apparent regional metastases, the selective neck dissection can be an oncologically effective procedure.

Adult↗
PubMed1984

Functional neck dissection: an evaluation and review of 843 cases.

After briefly reviewing the principles, indications, and merits of functional neck dissection, the results of 1200 neck dissections performed on 843 patients in the period 1961-1979 are presented. They compare very favorably with those reported for classic (radical) neck dissection by other leading authors; however, a retrospective analysis of data derived from material of different origin is hardly possible and has a disputable value. Therefore, we decided to compare our data on functional neck dissections (FND) with those of classic neck dissections (CND) performed by the same surgical team at the same clinic in the period 1948-1960. The clinical material was largely the same in both cases, and the data were collected and analyzed using the same criteria. In both series, neck dissections were divided into elective and curative. It could be demonstrated that the number of neck recurrences observed in the dissected necks is the same for FND and CND in curative dissections, while it is considerably lower for FND in elective neck dissections. This of course does not prove improved radicality in FND, but only proves that a systematic bilateral elective neck dissection in N0 cases affords improved cancerological safety. This radical bilateral approach to regional lymph nodes is made possible routinely by FND which avoids the problems of unnecessary mutilation. The figures produced speak in favor of a wider adoption of FND especially for expanding the indications to elective treatment of regional lymph nodes in cancer of the head and neck. Elective neck dissection is made practically harmless by this newer technique and averts the dreadful appearance of late metastases in N0 cases.

Head and Neck Neoplasms↗
PubMed1998

Combined neck dissection and postoperative radiation therapy in the management of the high-risk neck: a matched-pair analysis.

PURPOSE: The purpose of this study was to determine the efficacy of postoperative adjuvant radiation therapy with regard to reducing the rate of recurrence in the neck, cancer-related death, and death from any cause in patients with squamous cell carcinoma of the head and neck region metastatic to neck nodes. METHODS: This was a retrospective review of patients with pathologically confirmed nodal metastases who underwent neck dissection and postoperative adjuvant radiation therapy for squamous cell carcinoma of the head and neck region. Time to recurrence in the dissected area of the neck, any recurrence in the neck, cancer-related death, and death from any cause were estimated with the Kaplan-Meier method. A matched-pair analysis was performed utilizing a cohort of patients who underwent neck dissection without postoperative radiation therapy. The patients from the two cohorts were matched according to previously reported high-risk features for cancer recurrence and death. Cox hazards models for the matched pairs were used to evaluate the relative risk of subsequent recurrence in the dissected side of the neck, any neck recurrence, cancer-related death, and overall survival. MATERIALS: The medical records and pathologic slides of 95 consecutive patients with pathologically confirmed nodal metastases from squamous cell carcinoma of the head and neck region who underwent neck dissection and postoperative adjuvant radiation therapy between January 1974 and December 1990 were reviewed. Previously published data from 284 patients with squamous cell carcinoma of the head and neck region treated with neck dissection alone between January 1970 and December 1980 were used for a matched-pair analysis. RESULTS: The relative risks for recurrence in the dissected side of the neck, any neck recurrence (dissected neck or delayed undissected neck metastasis), cancer-related death, and death from any cause for patients treated with operation alone relative to those treated with operation and postoperative radiation were 5.82, 4.72, 2.21, and 1.67, respectively. CONCLUSION: This study provides evidence that postoperative adjuvant radiation therapy for the high-risk neck can reduce the rate of recurrence within a dissected neck, delayed metastasis within an undissected neck, cancer-related death, and death from any cause.

Adult↗
PubMed1988

Critical assessment of supraomohyoid neck dissection.

During a recent 5-year period, 115 patients had 131 supraomohyoid neck dissections. Eighty-one percent of these procedures were performed for squamous carcinoma. Seventy-nine percent of the primary tumors were located in the oral cavity and 16 percent arose in the oropharynx. Almost 80 percent of the necks dissected for primary squamous carcinoma were clinically N0, and occult nodal disease was discovered in 31 percent of these neck specimens. When the supraomohyoid neck dissection specimen showed no involvement, the overall incidence of treatment failure in the neck at 2-year follow-up was 5 percent. Almost all patients with occult squamous carcinoma in the supraomohyoid neck dissection specimen received postoperative radiotherapy, and the failure rate in the neck was 15 percent. When neck nodes were both clinically and pathologically involved, neck recurrence developed in 29 percent of the patients despite the addition of adequate postoperative radiotherapy. Among those patients with nonsquamous primary tumors and a pathologically negative supraomohyoid neck dissection specimen, there was only one subsequent treatment failure in the neck. Supraomohyoid neck dissection appears to be a valid staging procedure for clinically N0 patients with primary squamous carcinomas located in the oral cavity or oropharynx, with an appropriate yield of occult nodal disease, and infrequent treatment failure in the dissected neck when the supraomohyoid neck dissection specimen is pathologically uninvolved. When nodal disease is clinically obvious, treatment failure is more frequent, even with the addition of postoperative radiotherapy. The role of supraomohyoid neck dissection in this setting deserves further study.

Carcinoma, Squamous Cell↗
PubMed2000

Pain, quality of life, and spinal accessory nerve status after neck dissection.

OBJECTIVE: To assess quality of life (QOL) in patients with head and neck cancer who underwent neck dissection and to compare QOL scores for patients in whom the spinal accessory nerve (CN XI) was resected or preserved. SETTING AND DESIGN AND OUTCOMES MEASURES: Three hundred ninety-seven patients who had undergone treatment for head and neck cancer completed the University of Michigan Head and Neck Quality of Life (HNQOL) instrument, the Medical Outcomes Study SF-12 General Health Survey, and questions on "pain despite pain medications" and headaches. RESULTS: Of the 397 patients, 222 had no neck dissection, 46 had neck dissections resecting CN XI, and 129 had dissection sparing CN XI. Of the latter group, 68 patients had dissections sparing level V and 61 dissections included level V. Age, sex, primary site distribution, and T stage were not different between the groups. Patients who had neck dissections sparing CN XI had better scores on the HNQOL pain domain (P = .002), had less shoulder or neck pain (P = .003), and took pain medications less frequently (P = .0004) compared with patients who had neck dissections sacrificing CN XI. When CN XI was preserved, patients who had no level V dissection had better pain domain scores (P = .03) and eating domain scores (P = .007) on the HNQOL, had less shoulder or neck pain (P = .006), and had less physical problems (P = .03) than patients who had level V dissected. On multivariate analysis, pain-related QOL scores after neck dissection were significantly better (P < .01) if patients had dissections with preservation of CN XI and if level V was not dissected. CONCLUSION: Neck dissections sparing CN XI are associated with better pain scores on the HNQOL, less shoulder and neck pain, and less need for medications. When CN XI is spared, not dissecting level V of the neck is associated with better HNQOL pain scores, less shoulder or neck pain, and fewer physical problems.

Accessory Nerve↗
PubMedDate not supplied

Lipid and volume analysis of neck drainage in patients undergoing neck dissection.

PURPOSE: We seek to establish normative values for the volume of postoperative neck drainage from patients undergoing ablative oncologic procedures that include a neck dissection and to analyze neck drainage for lipid content to establish guidelines that may be helpful in identifying chylous fistula when this diagnosis is not clinically straightforward. PATIENTS AND MATERIALS: Neck drainage obtained through continuous suction percutaneous drainage catheters was evaluated following 23 neck dissections performed on 19 patients. In every case, either radicle or modified type I neck dissection was performed. The volume of drainage was quantitated on a day-to-day basis. In a separate group of 27 patients undergoing neck dissection, neck drainage was compared with serum levels of triglyceride, cholesterol, and chylomicron content. RESULTS: The mean duration of neck drainage was 5 days. Maximum drainage (160 mL) was noted on the first day and dropped daily to less than 10 mL by the fifth postoperative day. A statistically significant difference between serum and neck drainage triglyceride and cholesterol content was observed in nearly all cases. Neck drainage fat content was lower than that noted in serum in nearly all cases. Chylomicron content of 4% was encountered in neck drainage. CONCLUSIONS: This study provides normative data on lipid content of neck drainage. With only a rare exception, the triglyceride and cholesterol levels are higher in the serum than in the neck drainage. A triglyceride level of 100 mg/dL seems to be the upper limit of normal (mean plus 1 standard deviation). A low level of chylomicron (> 4%) is consistent with normal healing and may be due to breakdown of fatty tissue.

Aged↗
PubMed1977

The submandibular triangle in radical neck dissection.

Various modifications of the standard radical neck dissection operation have been advocated since its original description. An ideal operation would offer maximum cure rates with minimal cosmetic and functional disturbance. The validity of removing the submandibular triangle contents as part of radical neck dissection was studied by analyzing the involvement of this region by metastatic squamous cell carcinomas of the head and neck. Only three of the 51 neck-dissection specimens that were examined contained metastases to submandibular triangle lymph nodes. The primary sites were nose, floor of mouth, and retromolar trigone. None of the 26 laryngeal tumors in this series had spread to the submandibular triangle. In the absence of palpable submandibular or upper, deep cervical lymph nodes, the contents of the submandibular triangle can probably be left undisturbed in radical neck dissections for laryngeal cancer.

Carcinoma, Squamous Cell↗
PubMed1999

Quantification of lymph nodes in selective neck dissection.

OBJECTIVES: Provide reference for surgeon and pathologist regarding expected yield from selective neck dissections. Quantify lymph nodes obtained from cadaver dissection based on current nodal classification and compare with clinical series. STUDY DESIGN: 1. Quantification of lymph nodes at levels I-V harvested from human cadavers and correlation with nodal grouping for supraomohyoid (I-III) and lateral (II-IV) neck dissections. 2. Retrospective review of operative specimens from clinical neck dissections for lymph node quantity. METHODS: 1. Twenty radical neck dissection specimens, harvested from 10 fresh human cadavers without evidence of head and neck cancer, were separated by nodal level for gross and microscopic examination by a pathologist. The quantity of nodes obtained per level for each specimen was tabulated. 2. Charts of patients treated with neck dissection for squamous cell carcinoma were reviewed and tabulated for type of dissection and number of lymph nodes reported. RESULTS: In the 20 cadaver neck dissections, the average number of lymph nodes removed for levels I-V was 24, with 13 for levels I-III and 19 for levels II-IV. In the clinical review, 98 total neck dissections were included. In the six supraomohyoid dissections, an average of 20 lymph nodes (range, 14-26) were found, with an average of 30 (range, 15-43) in the 11 lateral compartment specimens. In 81 radical or modified radical dissections, an average of 31 nodes (range, 19-63) was reported. CONCLUSIONS: The number of lymph nodes removed in selective neck dissection should be comparable to that of the corresponding levels in radical neck dissection, provided that strict adherence to surgical boundaries is maintained. Dissection of normal cadavers provides a reference for the surgeon and the pathologist but may under-represent lymph node quantity in the diseased state.

Carcinoma, Squamous Cell↗
PubMed2001

The role of postradiotherapy neck dissection in supraglottic carcinoma.

PURPOSE: To evaluate our policy of performing neck dissection based on regional response after definitive radiotherapy in patients with supraglottic carcinoma and to identify the prognostic factors in this group of patients. METHODS AND MATERIALS: Between 1970 and 1995, 121 patients with node-positive squamous cell carcinoma of the supraglottic larynx were treated with definitive radiotherapy. Sixty-nine percent of patients presented with 1997 AJCC Stage IV disease. The N-stage distribution was N1, 49; N2, 62; and N3, 10. The median size of the lymph nodes was 3 cm (range, 0.5-8 cm). Forty-five patients received once-a-day treatment with a median total dose of 65 Gy (range, 58.0-70.8 Gy) in 1.8-2.0 Gy per fraction over 48 days, and 76 patients received split-course accelerated hyperfractionation with a median total dose of 67.2 Gy (range, 63.2-73.6 Gy) in 1.6 Gy twice a day over 43 days. Patients whose lymph nodes were not clinically detectable at 4-6 weeks after the completion of radiotherapy (complete response) were followed without any neck dissection. Patients with persistent neck adenopathy (partial response) underwent neck dissection whenever possible. Mean follow-up of the living patients was 6.5 years. RESULTS: Regional response was related to the size of lymph nodes at presentation. Eighty-seven percent of patients with nodal size of 3 cm or less had a complete response, whereas 43% of patients with nodal size greater than 3 cm had a partial response. The rate of regional control at 3 years for all patients in the study was 66%. The 3-year ultimate regional control rate after salvage neck dissection was 75%. A relapse in both the primary and regional sites was the most common pattern of relapse, accounting for 39% of all the failures. Local failure was associated with subsequent regional relapse with a relative risk of 4.3. For patients with complete response in whom postradiotherapy neck dissection was withheld, the regional control rates were 75% and 86% for N1 and N2, respectively. The rate of isolated regional relapse in this group of patients was 7.5%. In multivariate analysis, significant favorable factors predictive for regional control were female gender, accelerated hyperfractionation, and complete response; whereas factors predictive for overall survival were Karnofsky Performance Scale score and regional response. The rate of Radiation Therapy Oncology Group (RTOG) Grade 2 or 3 neck fibrosis was 17% and 23% for patients with and without postradiotherapy neck dissection, respectively. CONCLUSION: Isolated regional relapse is not common in patients with supraglottic carcinoma when a complete response is achieved at 4-6 weeks after definitive radiotherapy and postradiotherapy neck dissection is not performed. Female gender, accelerated hyperfractionation, and complete response are favorable predictors of regional control.

Adult↗
PubMedDate not supplied

Blindness following bilateral radical neck dissection.

Blindness after bilateral radical neck dissection is a rare complication. A recent patient, who suffered total blindness after simultaneous bilateral radical neck dissection, is the fifth case reported. It is, however, the first with pathological study of the optic tracts. Detailed microscopic examination revealed bilateral intraorbital hemorrhagic optic nerve infarction without evidence of embolization or ophthalmic artery occlusion. The probable etiology of this event is an episode of prolonged hypotension. An additional etiologic factor may be increased resistance to blood flow caused by venous hypertension, resulting from bilateral internal jugular vein ligation.

Aged↗