Depth of invasion in early stage oral cavity squamous cell carcinoma: The optimal cut-off value for elective neck dissection.

OBJECTIVES: Depth of invasion (DOI) is the most important predictor for lymph node metastasis (LNM) in early stage (T1-T2) oral cancer. The aim of this study is to validate the cut-off value of 4 mm on which the decision to perform an Elective Neck Dissection (END) is made. MATERIALS AND METHODS: We performed a retrospective study in patients with pathologically proven early stage oral cavity squamous cell carcinoma (OCSCC) without clinical or radiological signs of LNM, who were treated between 2013 and 2018. An END was performed when DOI was ≥ 4 mm and a watchful waiting protocol was applied in patients with DOI < 4 mm. RESULTS: Three hundred patients were included. END was performed in 77% of patients with DOI ≥ 4 mm, of which 36% had occult LNM (pN+). Patients in the watchful waiting group (48%) developed a regional recurrence in 5.2% for DOI < 4 mm and 24.1% for DOI ≥ 4 mm. For DOI ≥ 4 mm, regional recurrence free survival was higher for patients who were treated with END compared to watchful waiting (p = 0.002). A Receiver-Operator-Curve -analysis showed that a DOI cut-off value of 4.0 mm was the optimal threshold for the prediction of occult LNM (95.1% sensitivity, 52.9% specificity). CONCLUSION: A DOI of ≥ 4 mm is an accurate cut-off value for performing an END in early stage OCSCC. END results in higher survival rates and lower regional recurrence rates in patients with DOI ≥ 4 mm.

Intraoperative Assessment of the Resection Specimen Facilitates Achievement of Adequate Margins in Oral Carcinoma.

BACKGROUND: Inadequate resection margins in oral cavity squamous cell carcinoma have an adverse effect on patient outcome. Intraoperative assessment provides immediate feedback enabling the surgeon to achieve adequate resection margins. The goal of this study was to evaluate the value of specimen-driven intraoperative assessment by comparing the margin status in the period before and the period after the introduction of specimen-driven assessment as a standard of care (period 2010-2012 vs period 2013-2017). METHODS: A cohort of patients surgically treated for oral squamous cell carcinoma at the Erasmus MC Cancer Institute, Rotterdam, between 2010-2012 was studied retrospectively and compared to results of a prospectively collected cohort between 2013-2017. The frequency, type and results of intraoperative assessment of resection margins were analyzed. RESULTS: One hundred seventy-four patients were included from 2010-2012, 241 patients were included from 2013-2017. An increase in the frequency of specimen-driven assessment was seen between the two periods, from 5% in 2010-2012 to 34% in 2013-2017. When performing specimen-driven assessment, 16% tumor-positive resection margins were found in 2013-2017, compared to 43% tumor-positive resection margins overall in 2010-2012. We found a significant reduction of inadequate resection margins for specimen-driven intraoperative assessment (p < 0.001). Also, tumor recurrence significantly decreased, and disease-specific survival improved when performing specimen-driven intraoperative assessment. CONCLUSIONS: Specimen-driven intraoperative assessment improves resection margins and consequently, the outcome of oral cancer patients. We advocate this method as standard of care.

Multicenter randomized crossover trial evaluating the provox luna in laryngectomized subjects.

OBJECTIVES: The aim of this study was to compare the relative compliance and the dermatological and pulmonary outcomes when the Provox Luna system (Atos Medical, Malmö, Sweden) is added during the night to the usual tracheastoma care of laryngectomized subjects. METHODS: This was a multicenter randomized crossover trial conducted in the Netherlands Cancer Institute, Erasmus Medical Center, and Maastricht University Medical Center in The Netherlands. The study included 46 laryngectomized subjects with prior heat and moisture exchanger (HME) and adhesive experience. RESULTS: A significant improvement in the number of compliant individuals was found: Luna: n = 43 of 45 (96%); usual care: n = 35 of 46 (76%), P = 0.02. The Luna period was associated with longer intervals of daily HME use (Luna 23.2 hours [range: 15.6-24.0 hours], usual care [UC]: 21.5 hours [range: 6.0-24.0 hours], P = 0.003) and an increased frequency of skin improvement overnight (Luna 3.9 days [standard deviation (SD)]: 7.0 days), Usual Care: 8.1 days ([SD: 10.8 days], P = 0.008). Fifty-six percent (n = 26) of participants wanted to continue using the Provox Luna system at the conclusion of the study. CONCLUSION: An improvement in compliance and skin recovery overnight was observed when the Provox Luna was added to the usual adhesive and HME use. Therefore, there is utility in supplementing the usual post-total laryngectomy care with the Provox Luna system at night, particularly in the setting of compliance concerns and in subjects who desire dermatological relief overnight. LEVEL OF EVIDENCE: 1b Laryngoscope, 129:2354-2360, 2019.

Relocation of inadequate resection margins in the wound bed during oral cavity oncological surgery: A feasibility study.

BACKGROUND: Specimen-driven intraoperative assessment of the resection margins provides immediate feedback if an additional excision is needed. However, relocation of an inadequate margin in the wound bed has shown to be difficult. The objective of this study is to assess a reliable method for accurate relocation of inadequate tumor resection margins in the wound bed after intraoperative assessment of the specimen. METHODS: During oral cavity cancer surgery, the surgeon placed numbered tags on both sides of the resection line in a pair-wise manner. After resection, one tag of each pair remained on the specimen and the other tag in the wound bed. Upon detection of an inadequate margin in the specimen, the tags were used to relocate this margin in the wound bed. RESULTS: The method was applied during 80 resections for oral cavity cancer. In 31 resections an inadequate margin was detected, and based on the paired tagging an accurate additional resection was achieved. CONCLUSION: Paired tagging facilitates a reliable relocation of inadequate margins, enabling an accurate additional resection during the initial surgery.

Elective neck treatment during salvage (pharyngo) laryngectomy.

PURPOSE: This study aimed at determining the importance of an elective neck dissection (END) in case of a cN0 laryngeal or hypopharyngeal carcinoma after (chemo) radiation. METHODS: Retrospective review was made of patients treated in a single tertiary center between 2002 and 2014. Influence of an END in case of a cN0 salvage laryngectomy on complications, recurrence-free survival and disease-specific survival was assessed. INCLUSION CRITERIA: squamous cell carcinoma and cN0 neck. EXCLUSION CRITERIA: second primary tumor in the head and neck, a total laryngectomy because of a dysfunctional larynx, or a previously performed neck dissection. RESULTS: Of the 86 included patients, 27 (31%) underwent an END, of which 1 had occult metastasis (4%). Of the remaining 59 patients (69%) without an END, 3 developed a regional recurrence (5%). The overall survival was significantly higher for patients who had an END (p = 0.037). The incidence of complications was not significantly different between the two groups. CONCLUSIONS: In light of the limited complications of an END and the poor prognosis of regional recurrence after previous (chemo)radiotherapy and a (pharyngo)laryngectomy, we advise consideration of an END at the time of a salvage laryngectomy.

Water Concentration Analysis by Raman Spectroscopy to Determine the Location of the Tumor Border in Oral Cancer Surgery.

Adequate resection of oral cavity squamous cell carcinoma (OCSCC) means complete tumor removal with a clear margin of more than 5 mm. For OCSCC, 85% of the surgical resections appear inadequate. Raman spectroscopy is an objective and fast tool that can provide real-time information about the molecular composition of tissue and has the potential to provide an objective and fast intraoperative assessment of the entire resection surface. A previous study demonstrated that OCSCC can be discriminated from healthy surrounding tissue based on the higher water concentration in tumor. In this study, we investigated how the water concentration changes across the tumor border toward the healthy surrounding tissue on freshly excised specimens from the oral cavity. Experiments were performed on tissue sections from 20 patients undergoing surgery for OCSCC. A transition from a high to a lower water concentration, from tumor (76% ± 8% of water) toward healthy surrounding tissue (54% ± 24% of water), takes place over a distance of about 4 to 6 mm across the tumor border. This was accompanied by an increase of the heterogeneity of the water concentration in the surrounding healthy tissue. The water concentration distributions between the regions were significantly different (P < 0.0001). This new finding highlights the potential of Raman spectroscopy for objective intraoperative assessment of the resection margins. Cancer Res; 76(20); 5945-53. ©2016 AACR.

Resection margins in oral cancer surgery: Room for improvement.

The purpose of this review was to identify publications on resection margins in oral cancer surgery and compare these with the results from 2 Dutch academic medical centers. Eight publications were considered relevant for this study, reporting 30% to 65% inadequate resection margins (ie, positive and close margins), compared to 85% in Dutch centers. However, clinical outcome in terms of overall survival and recurrence seemed comparable. The misleading difference is caused by lack of unanimous margin definition and differences in surgicopathological approaches. This prevents comparison between the centers. Data from Dutch centers showed that inadequate resection margins have a significantly negative effect on local recurrence, regional recurrence, distant metastasis, and overall survival. These results confirm the need for improvement in oral cancer surgery. We underline the need for consistent protocols and optimization of frozen section procedures. We comment on development of optical techniques for intraoperative assessment of resection margins. © 2015 Wiley Periodicals, Inc. Head Neck 38: E2197-E2203, 2016.

Intensity-modulated radiotherapy followed by a brachytherapy boost for oropharyngeal cancer.

BACKGROUND: The purpose of this study was to reduce the incidence of radiation-induced toxicity in patients with early-stage oropharyngeal cancer, using highly conformal radiation techniques. METHODS: Between 2000 and 2011, 167 patients with T1-3N0-3 oropharyngeal cancer were treated with 46-Gy intensity-modulated radiation therapy (IMRT) followed by 22-Gy brachytherapy boost. In patients with node-positive disease, neck dissection was performed. RESULTS: The 5-year Kaplan-Meier estimates of local control, regional control, disease-free survival (DFS), and overall survival (OS) were 94%, 97%, 84%, and 72%, respectively. Feeding tubes were required in 26% of the patients. Grade ≥2 late xerostomia and dysphagia were 11% and 8%, respectively. Chemotherapy, tumor subsite, and bilateral neck irradiation correlate significantly with toxicity. Quality of life (QOL) scores deteriorate during and shortly after treatment but returned in all scales to baseline scores within 6 to 12 months, with the exception of xerostomia. CONCLUSION: Brachytherapy boost and neck dissection (in node-positive oropharyngeal cancer) after 46-Gy of IMRT resulted in excellent outcomes with low incidence of late toxicity and good QOL scores.

Node-positive hypopharyngeal cancer treated by (chemo)radiotherapy: impact of up-front neck dissection on outcome, toxicity, and quality of life.

BACKGROUND: To investigate the impact of up-front neck dissection on the outcome of patients with node-positive hypopharyngeal cancer (HPC) treated with (chemo)radiation. METHODS: Of 135 consecutive patients with node-positive HPC, 32 patients underwent up-front neck dissection followed by (chemo)radiation (group 1), and 103 patients received definitive (chemo)radiation (group 2). RESULTS: The 3-year regional, local and distant control for groups 1 and 2 were 92% versus 87% (p = .37), 84% versus 72% (p = .15), and 80% versus 62% (p = .08), respectively. High T classification was the only significant predictor for poor overall survival on multivariate analysis (OR = 3.0, p = .02). Acute and late toxicities and the prospectively assessed quality of life were comparable in both groups. CONCLUSION: Upfront neck dissection followed by (chemo)radiation did not negatively impact on oncologic outcomes, toxicity, or quality of life and therefore is to be regarded as a safe and effective treatment option for small HPC with bulky nodal disease, especially in busy radiation departments with unacceptably long waiting time for definitive (chemo)radiation.

Development and (pre-) clinical assessment of a novel surgical tool for primary and secondary tracheoesophageal puncture with immediate voice prosthesis insertion, the Provox Vega Puncture Set.

Development and (pre-) clinical assessment were performed of a novel surgical tool for primary and secondary tracheoesophageal puncture (TEP) with immediate voice prosthesis (VP) insertion in laryngectomized patients, the Provox Vega Puncture Set (PVPS). After preclinical assessment in fresh frozen cadavers, a multicenter prospective clinical feasibility study in two stages was performed. Stage-1 included 20 patients, and stage-2 had 27. Based on observations in stage-1, the PVPS was re-designed (decrease in diameter of the dilator from 23.5 to 18 Fr.) and further used in stage-2. Primary outcome measure was immediate VP insertion without requiring additional instruments. Secondary outcome measures for comparison of the new with the traditional TEP procedure were: appreciation, ease of use, time consumption, estimated surgical risks and overall preference. A mini-max two-stage study design was used to establish the required sample size. In stage-1, dilatation forces were considered too high in patients with a fibrotic TE wall. With the final thinner version of the PVPS, VPs were successfully inserted into the TEP in 'one-go' in 24/27 (89%) of TEPs: 20 primary and 7 secondary. Participating surgeons rated appreciation, ease of use, time consumption and estimated surgical risks as better. Related adverse events were few and minor. The new PVPS appeared to be the preferred device by all participating surgeons. This study shows that the novel, disposable PVPS is a useful TEP instrument allowing quick and easy insertion of the VP in the vast majority of cases without requiring additional instruments.

Long-term outcomes and quality of life of 186 patients with primary parotid carcinoma treated with surgery and radiotherapy at the Daniel den Hoed Cancer Center.

PURPOSE: To assess the outcomes, toxicity, and quality of life (QOL) of patients with primary parotid carcinoma treated with surgery and postoperative radiotherapy at the Daniel den Hoed Cancer Center. METHODS AND MATERIALS: Between 1995 and 2010, 186 patients with parotid carcinoma were treated with parotidectomy with or without neck dissection, followed by radiotherapy. Elective nodal irradiation (ENI) was applied to high-risk, node-negative disease. End points were locoregional control (LRC), disease-free survival (DFS), cause-specific survival (CSS), and overall survival (OS), late toxicity, and QOL. RESULTS: After a median follow-up of 58 months (range, 4-172 months), the 5-year Kaplan-Meier estimates for LRC, DFS, CSS, and OS were 89%, 83%, 80%, and 68%, respectively. Forty-five events were reported: 24 distant metastases (DM) and 21 locoregional failures (LRF). Event-free survival rates by histological types were 89%, 78%, 76%, 74%, and 70% for acinic cell, mucoepidermoid, adenoid cystic, adenocarcinoma, and squamous cell carcinoma, respectively. More LRF were reported in patients with squamous cell and high-grade mucoepidermoid carcinoma (21% and 19%, respectively) than in patients with other histological types (p = 0.04) and more DM in patients with adenoid cystic and adenocarcinoma (20% and 19%, respectively) than in patients with other types (p = 0.03). None of the high-risk node-negative patients who received ENI developed regional failure. On multivariate analysis, T stage, N stage, grade, and presence of perineural invasion and facial paralysis correlated significantly with DFS. The 5-year cumulative incidence of grade ≥2 late toxicity was 8%. QOL scores deteriorate during and shortly after treatment but returned in almost all scales to baseline scores within 6 months. CONCLUSIONS: Of the entire group, surgery and postoperative radiotherapy resulted in excellent outcomes with minimal side effects and preservation of good QOL scores. However, in view of the pattern of failures observed in this study, the role of adjuvant systemic or targeted therapy in patients at high risk of DM should be investigated in prospective trials.

High complication risk of salvage surgery after chemoradiation failures.

CONCLUSIONS: Although organ preservation can be achieved with chemoradiation protocols for laryngeal or pharyngeal cancers, salvage surgery is accompanied by high complication rates. OBJECTIVES: To determine the rate of complications associated with salvage surgery after chemoradiation for laryngeal and pharyngeal cancers. METHODS: A multicenter retrospective study was performed of 24 patients treated with total laryngectomy combined with total or partial pharyngectomy between 1995 and 2004 who had previously been treated with chemoradiation. The main outcome measures were early and late complication rates. Quality of life analysis was determined by two questionnaires. RESULTS: The complication rate after salvage surgery was 92% in the direct postoperative period. The most frequent complication was pharyngocutaneous fistula formation. Narrowing of the esophagus and tracheostoma were the most common late sequelae. The quality of life, measured at least 2 years after salvage surgery, showed a social dysfunctioning.

Early and long-term morbidity after total laryngopharyngectomy.

To determine the early and long-term morbidity of patients treated with a total laryngopharyngectomy and reconstruction using a jejunum interposition or gastric pull-up procedure. It is a retrospective study; and it is conducted in tertiairy referral center. Sixty-three patients were included in whom 70 reconstructions were performed (51 jejunum interpositions and 19 gastric pull-up procedures) between 1990 and 2007. The studied parameters were success rate of the reconstruction, early and long-term complication rate, and functional outcome including quality of life. Subjective quality of life analysis was determined by two questionnaires: the EORTC Quality of Life Questionnaire (QLQ)-C30 Dutch version 3.0, and the EORTC-Head and Neck (H & N 35). The success rates were 84 and 74%, respectively. The procedures were associated with a high complication rate (63% after jejunum interposition and 89% after gastric pull-up), and a lengthy rehabilitation. Surviving patients were found to have a good long-term quality of life. Complete oral intake was achieved in 97%, and speech rehabilitation in 95%. These procedures are associated with significant morbidity, high complication rates, lengthy rehabilitation, but a good long-term quality of life.

NUT midline carcinoma of the parotid gland with mesenchymal differentiation.

Nuclear protein in testis midline carcinomas (NMC) are highly aggressive carcinomas typically arising in midline structures in young individuals. These carcinomas are characterized by the presence of a chromosomal rearrangement of nuclear protein in testis the (NUT) gene on chromosome 15 (15q14), resulting from a chromosomal translocation most commonly involving the BRD4 gene on chromosome 19p13. Rarely, in about 1/3 of cases, other translocation partners are involved (termed NUT-variants). Most cases have involved midline structures and with few exceptions were located in the upper aerodigestive tract and the mediastinum. Except for a single case, all reported NMC have been fatal, proving resistant to multimodality treatment. We report an exceptional case of a NMC presenting outside of midline structures in the parotid gland and showing mesenchymal chondroid differentiation in a 15-year-old male. The presence of the t(15;19) chromosomal translocation in the chondroid component was confirmed by fluorescence in situ hybridization analysis and immunohistochemical staining, indicating mesenchymal transdifferentation of the tumor. The findings demonstrate the first case of NMC arising within salivary gland, and the first example of mesenchymal differentiation in this group of tumors.

Clinical evaluation of a membrane-based voice-producing element for laryngectomized women.

BACKGROUND: A newly developed artificial voice source was clinically evaluated in laryngectomized women for voice quality improvements. The prosthesis was placed in a commercially available, tracheoesophageal shunt valve. METHODS: In 17 subjects, voice-producing element (VPE) prototypes were compared with the subject's regular tracheo-esophageal shunt voice in a randomized cross-over trial. The evaluation was based on aeroacoustic measurements and perceptual analysis. RESULTS: Considerably higher fundamental frequencies were attained with the use of the VPE. The sound pressure level also increased for most subjects. The required driving pressures of the lung and air flow rates were altered, allowing significantly longer phonation times in 1 breath. Accumulation of mucus did not interfere with the proper functioning of the device during these tests. CONCLUSION: A VPE with sound-generating membranes is suitable for providing a substitute voice source for laryngectomized patients, especially patients suggestive of a severely hypotonic or atonic pharyngoesophageal segment who can benefit from a more melodious and louder voice.

Prognostic value of plasminogen activator inhibitor-1 in head and neck squamous cell carcinoma.

BACKGROUND: Tumor cell biological factors, such as urokinase plasminogen activator (uPA) and its inhibitor plasminogen activator inhibitor-1 (PAI-1), cathepsin D, and c-myc play a role in tumor invasion, metastasis, and proliferation. In this study, the prognostic importance of these factors in patients with primary head and neck squamous cell carcinoma (HNSCC) was evaluated and correlated with clinicopathologic variables. METHODS: In 46 paired primary tumors and normal tissues, levels of uPA, PAI-1, cathepsin D, and c-myc amplification were determined. The clinical follow-up was over 10 years. Relationships between cell biological factors and patient and tumor characteristics were studied by the Mann-Whitney test. The Cox proportional hazard model was used for univariate and multivariate analysis. RESULTS: In this study, only a high level of PAI-1 was associated with a significantly shorter disease-free survival (p < .01). PAI-1 levels were higher in tumors with perineural invasion (p < .01). Both PAI-1 and uPA levels were higher in patients who smoked (p < .01 and p = .02). In univariate analysis, smoking (p= .04), excessive alcohol intake (p = .02), perineural invasion (p = .001), and vaso-invasion (p = .009) were associated with a shorter disease-free survival. The only factor related to overall survival was perineural invasion (p = .045). The combination of a high PAI-1 level and perineural invasion appeared to be a significant predictor of a shorter disease-free interval (p = .01). CONCLUSION: PAI-1 may present a novel prognostic factor for patients with HNSCC. Perineural invasion and PAI-1 level combined seemed to be prognostic for disease-free survival.

Supracricoid partial laryngectomy with cricohyoidoepiglottopexy for recurrent laryngeal cancer.

OBJECTIVES: Recurrent laryngeal cancer can be treated either with total laryngectomy or in selected cases with supracricoid laryngectomy with cricohyoidoepiglottopexy (CHEP). We performed a retrospective study to analyze the functional and oncological results of supracricoid laryngectomy with CHEP. METHODS: Fourteen patients were treated with supracricoid laryngectomy with CHEP. In 8 patients, flexible endoscopic evaluation of swallowing was performed. Preoperative and postoperative voice evaluation was performed in 5 patients. Oncological and functional follow-up, postoperative complications, and data concerning rehabilitation were recorded on standard forms. RESULTS: After the supracricoid laryngectomy with CHEP, 11 of the 14 patients were alive and disease-free. No local recurrences were found, but 2 patients had regional recurrences. The voice was worse after the operation; however, most patients were satisfied. Swallowing was uncompromised. CONCLUSIONS: Supracricoid laryngectomy with CHEP for recurrent glottic laryngeal cancer after radiotherapy appears to be oncologically safe and functional.

Anterolateral thigh flap reconstruction of large external facial skin defects: a follow-up study on functional and aesthetic recipient- and donor-site outcome.

BACKGROUND: The purpose of this study was to investigate the subjective and the objective functional and aesthetic follow-up results of the recipient and donor sites after reconstruction of extensive facial defects with the anterolateral thigh flap. METHODS: Between December of 2001 and April of 2003, the anterolateral thigh flap was used to reconstruct large facial skin defects after malignant tumor resection in 23 white patients. All patients had a standardized interview, physical examination, and clinical photographs. RESULTS: The mean flap size was 108 cm2. Fasciocutaneous anterolateral thigh flaps were used in 15 patients and musculocutaneous flaps were used in eight patients with exposed dura, open sinuses, or orbital defects. An extra free osteocutaneous fibula flap was necessary to reconstruct the affected mandible in 10 patients. The donor site was skin grafted in 18 patients. The flap survival rate was 96 percent. At follow-up, color mismatch (71 percent) and flap bulkiness (50 percent) were encountered most often. Four of five patients with speech problems had received an additional free osteocutaneous fibula flap. Three flap contractures were seen in the neck region. A contour defect of the upper leg was encountered in five patients. Sensory disturbances of the upper leg were observed in 12 patients. Cold intolerance occurred three times after skin grafting. No significant impairment was found in range of motion and muscle strength of the donor leg. CONCLUSIONS: Careful patient selection may further improve aesthetic outcome of the anterolateral thigh flap. The versatility in design and composition of the anterolateral thigh flap and the low donor-site morbidity and satisfactory recipient-site outcome make it a valuable option in reconstruction of external skin defects in the head and neck region.

Surgery for recurrent laryngeal carcinoma after radiotherapy: partial laryngectomy or total laryngectomy for a better quality of life?

OBJECTIVE: To investigate the quality of life after partial laryngectomy versus total laryngectomy for recurrent laryngeal carcinomas after radiotherapy. STUDY DESIGN AND SETTING: A retrospective study performed at least one year after treatment. This study was performed in a university hospital. RESULTS: Twenty-three patients (N = 12 partial laryngectomy, N = 11 total laryngectomy) with recurrent laryngeal cancer after radiotherapy were included in the study. Three different questionnaires, 1) EORTC Quality of Life Questionnaire (QLQ)-C30 Dutch version 3.0, 2) EORTC-H & N 35, and 3) the Voice Handicap Index, were sent to all patients. The only major difference in quality of life of patients after partial laryngectomy versus total laryngectomy was found to be smell and taste related. No other differences were found. CONCLUSION: We did not find much difference in quality of life after treatment with a partial laryngectomy or a total laryngectomy in patients with recurrent laryngeal cancer after radiotherapy.

Partial laryngectomy for recurrent glottic carcinoma after radiotherapy.

BACKGROUND: Early laryngeal cancer is treated with surgery or radiotherapy. A partial laryngectomy instead of a total laryngectomy can be used for treating patients with radiation failures. METHODS: Patients were grouped by the two types of partial laryngectomies we performed: group I, endoscopic laser surgery (n = 42); and group II, frontolateral partial laryngectomy (n = 21). RESULTS: With CO2 laser treatment, 14 of 24 patients (no involvement of the anterior commissure) and eight of 18 patients (involvement of the anterior commissure) were cured. With the frontolateral partial laryngectomy, we achieved local control in 15 of 21 patients. CONCLUSIONS: If the surgeon is familiar with the different techniques of, and indications for, partial laryngectomy, this can be a good and satisfying treatment in selected patients with radiation failure for glottic cancer