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PubMed1989

Utility of near-total laryngectomy for supraglottic, pharyngeal, base-of-tongue, and other cancers.

This report emphasizes the utility of the near-total laryngectomy for those patients in whom conventional conservation surgery is an option but may be oncologically or physiologically unsafe. The near-total operation can be offered for supraglottic cancer, pharyngeal cancer, and, more commonly, primary glottic cancer with cord fixation. Its application is described for patients who are candidates for conventional conservation surgery but are compromised physiologically by age or poor general health and for patients in whom tumor extent would not permit safe conventional conservation surgery.

Adult↗
PubMed1990

Early supraglottic cancer.

Early supraglottic cancers (T1 and T2) are treated today with several dissimilar programs. Operation or irradiation alone, combined irradiation and operation, and irradiation with operation for salvage are the options. This study analyzed the effectiveness of operation alone in a group of 94 patients with early lesions. There were no local failures in the group. The only cause of failure was recurrence in the neck and distant metastasis in 15% of patients. Comparisons were made of effectiveness of treatment with regard to local and neck failure, voices retained, frequency of retreatment, and determinate survival to the alternate treatment programs. No differences were found in regard to survival with any of the contemporary programs. There are differences in terms of retreatment frequency, voice preservation, and cause of failure between programs. Conservation surgery is preserving voices today. Combined therapy seems of little value in the early cancers.

Adult↗
PubMed1994

Age-related changes in pharyngeal and supraglottic sensation.

As one ages, sensory discrimination in the oral cavity progressively diminishes, and dysphagia and aspiration are more likely to occur. Whether similar age-related laryngeal and pharyngeal sensory abnormalities exist and contribute to dysphagia and aspiration is unknown. The purpose of this study was to determine if sensory discrimination in the area innervated by the superior laryngeal nerve diminishes with increasing age. By applying a previously described new device and technique that utilizes brief air pulse stimulation of the anterior wall of the pyriform sinus, sensory discrimination can be reliably determined. We carried out 672 trials in 56 healthy adults divided into three age groups: 20 to 40, 41 to 60, and 61 to 90 years of age. Overall, the average sensory discrimination was 2.30 +/- 0.50 mm Hg. In subjects 20 to 40 years of age, sensory discrimination was 2.07 +/- 0.20 mm Hg, while in subjects 61 to 90 years of age, sensory discrimination was 2.68 +/- 0.63 mm Hg (p < .05). There also was a statistically significant difference between the 41- to 60-year and 61- to 90-year age groups (p < .05). Progressive diminution in pharyngeal and supraglottic sensitivity with increasing age might be a contributing factor in the development of dysphagia and aspiration in the elderly.

Adult↗
PubMed1996

Supraglottic laryngectomy: functional and oncologic results.

Between January 1980 and December 1989, 110 patients with squamous cell carcinoma of the supraglottis were treated with supraglottic laryngectomy and neck dissection. The stage distribution was stage I 23%, II 34%, III 15%, and IV 28%. Adjuvant radiotherapy (5,000 to 6,500 cGy) was given to all pN+cases. All patients were followed until death or for a minimum of 36 months, with an average of 65 months. Decannulation was achieved in 96% of the cases, with only 1 patient undergoing total laryngectomy because of aspiration. The average hospital stay was 22 days. Arytenoid edema was a frequent cause of delayed decannulation in patients undergoing radiotherapy. The overall 3-year survival was 78%, with 10 patients dying of unrelated causes. Local control was 94.6% and regional control was 83.6%. No significant difference was found in survival according to T stage, but survival rate was significantly influenced by N stage.

Adult↗
PubMed1996

Management of cervical metastases in supraglottic cancer.

A retrospective review of patients from 1979 to 1988 was performed to assess the efficacy of neck dissection, prognostic factors, and the philosophy of treatment of the neck in supraglottic cancer. Of the 89 patients available for analysis, 26 were managed by horizontal partial laryngectomy (HPL), 44 by primary radiotherapy (RT), and 19 by total laryngectomy (TL). A total of 41 patients from the group had 63 neck dissections (NDs); 22 had bilateral and 19 unilateral dissections. A correlation of the pN with N staging revealed that when presenting with N2a nodes (> 3 cm), one third had contralateral metastases, and with N2b (multiple), 100% had contralateral metastases. In multivariate analysis of the disease-free interval, age and staging emerged as independent prognostic variables. Although we observed no increased morbidity by dissecting the opposite side, our results did not support routine bilateral neck dissection in NO patients. However, when the nodes are larger than 3 cm, or ipsilateral and multiple, bilateral neck dissection is recommended.

Carcinoma, Squamous Cell↗
PubMed1988

Silent supraglottic carcinoma.

In a review of 51 consecutive patients with previously untreated squamous cell carcinoma of the supraglottic larynx, five (9.8%) patients were found to have no mucosal abnormality on initial evaluation by both computed tomography (CT) and direct laryngoscopy. All five patients who manifested submucosal disease had at least one endoscopic procedure done with a biopsy negative for cancer before definitive diagnosis, resulting in an average delay from initial endoscopy to diagnosis of 19.8 weeks. These inapparent or "silent" neoplasms present unique problems in regard to establishing a diagnosis by routine biopsy techniques, even though CT reliably demonstrates their presence. Early diagnosis requires aggressive biopsy techniques based on CT findings.

Aged↗
PubMed1993

Analysis of DNA content in supraglottic epidermoid carcinoma.

DNA analysis by flow cytometry is considered to be of prognostic value in epidermoid carcinoma of the head and neck. However, few and contradictory studies have been made on laryngeal carcinomas. We studied 48 epidermoid carcinomas in patients subjected to horizontal supraglottic laryngectomy with a 5-year- followup. The technique described by Hedley for fixated and paraffin-embedded tumors was used. Thirteen tumors were excluded on the grounds of presenting variation coefficients in excess of 10. Of the 35 cases analyzed, 28 (80%) were diploid and seven (20%) aneuploid. No correlation was observed between tumor ploidy and patient survival, recurrence, or any of the histopathological variables studied.

Adult↗
PubMed1993

Neck dissection with or without postoperative radiotherapy in supraglottic carcinomas.

A retrospective review of 302 previously untreated patients with primary supraglottic carcinoma was undertaken to ascertain the efficacy of postoperative radiotherapy. The 302 patients underwent a total of 383 functional neck dissections and 45 classic radical neck dissections. Pathological examination revealed nodal involvement in 117 patients (39%). In the histologically N0 group, the incidence of contralateral neck recurrence when a unilateral neck dissection and postoperative radiotherapy were carried out was 8%, rising 21% when no postoperative radiation was given. There was no difference in the ipsilateral recurrence rate in the N0 group, radiated patients (3%) and nonradiated patients (2%). Similar figures were found in the N1 group. Bilateral functional neck dissection in histologically N0, N1, and N2 necks had similar recurrence rates with or without radiotherapy. Distant metastasis appeared in 10% of N0 patients and in 35% of N3 patients. Patients who received postoperative radiotherapy showed a significantly higher rate of distant metastasis (21%) than patients who did not (8%). The number of involved lymph nodes had no relevance both in neck recurrence and distant metastasis.

Carcinoma↗
PubMed1993

Adult supraglottitis.

Airway management of supraglottitis in the adult is controversial as regards the choice between observation and acute intervention. This study was undertaken to determine whether factors exist that place patients at higher risk of airway obstruction and to review conservative treatment outcome. Of 46 cases during an 8-year period, seven required tracheostomy and 39 were observed. Odynophagia and fever were present in all patients. Yearly clusters of up to six cases in 1 month were detected. White blood cell count and heart rate were significantly more elevated in those who underwent tracheostomy. A symptom duration of less than 24 hours was associated (p < 0.05, chi 2 analysis) with airway compromise as well. There was no associated morbidity or mortality, and mean hospital stay was 5.2 days for those observed and 7.9 days for those who underwent tracheostomy.

Adolescent↗
PubMed2005

Evaluation of the SLIPA (streamlined liner of the pharynx airway), a single use supraglottic airway device, in 60 anaesthetized patients undergoing minor surgical procedures.

The Streamlined Liner of the Pharyngeal Airway, SLIPA (Hudson RCI) is a new disposable supraglottic airway device that has no inflatable cuff and has features designed to reduce aspiration risk. This study aimed to assess the insertion success and effectiveness of the SLIPA in 60 patients who presented for elective surgery. Ethics committee approval was obtained. Patients were excluded if they were less than 18 years, had not provided written consent or were at risk of pulmonary aspiration. The first 20 SLIPA were inserted by the principal investigator (Group A) followed by another 40 inserted by medical officers and anaesthetists of varying experience (Group B). Twenty-one males and 39 females were recruited into the study. Median time to ventilation was 20.4 seconds in Group A (range 12.9-109) and 24.8 seconds in Group B (range 8.2-82.5). Overall success rate was 100% in Group A and 92.5% in Group B. The lowest recorded SpO2 was 91% in Group B. The incidence of blood and sore throat score >3 (0-10 scale) was 23% and 7% respectively (Groups A and B). Group B reported that use of the device was very easy in 16%, easy in 76%, difficult in 5%, and very difficult in 3%. The SLIPA proved to be a reliable airway providing adequate ventilation in both spontaneous breathing and assisted respiration. Most users found the SLIPA to be easy or very easy to use.

Adult↗
PubMed2002

Lemierre's syndrome as a consequence of acute supraglottitis.

Lemierre's syndrome comprises internal jugular vein thrombosis following oropharyngeal sepsis and is a rare and serious condition. It is most commonly caused by the anaerobe Fusobacterium necrophorum and typically presents as metastatic sepsis to the lungs and joints. Thrombosis is demonstrated by computed tomography (CT) of the neck, and it is routinely treated with intravenous antibiotics and anti-coagulation. We describe a case of Lemierre's syndrome following acute supraglottitis. The clinical features were of retrograde intracranial thrombosis, rather than the more usual metastatic sepsis.

Acute Disease↗
PubMed1975

Optimal treatment for the technically resectable squamous cell carcinoma of the supraglottic larynx.

The charts of 431 patients with squamous cell carcinoma of the supraglottic larynx observed at the M.D. Anderson Hospital between January, 1954, and June, 1971, were analyzed. This study is concerned with those patients who had a technically resectable lesion. Emphasis is directed to the analysis of the effectiveness of primary irradiation instead of partial laryngectomy for those lesions which are technically suitable for a partial resection and to define the groups of patients which are best treated by combining surgery and planned postoperative irradiation. One hundred forty-seven patients with T1 and T2 lesions, selected exophytic T3 lesions of the suprahyoid epiglottis received irradiation for their laryngeal lesion. A satisfactory control of the laryngeal disease has been obtained with preservation of a normal voice ranging from 88.5 percent for T1 lesions to 60 percent for T4 lesion. Comparing the groups of patients who had surgery alone or postoperative irradiation an NED rate of 63 percent was found in the latter group which is clearly superior to the 37 percent found in the surgery only group. There is no difference for the five-year NED rates, because the patients who had surgery and postoperative irradiation had more advanced neck disease which is a cause for distant metastases. The incidence of recurrences above the clavicles is clearly less in patients having had surgery and postoperative irradiation than in those who had surgery alone. Correlating in the two groups, surgery only and surgery followed by planned irradiation, the surgical staging of the neck metastases with recurrences above the clavicles within 24 months after treatment, it was found that the planned combined treatment has reduced the recurrence rate from 45 percent to 15 percent in the N2 and N3 patients. Postoperative irradiation should be given routinely after resection for all T4 lesions and for any T3 lesion which extends to the pharyngeal wall(s), vallecula, base of tongue, and pyriform sinus. Postoperative irradiation should also be given for any patient whose nodal classification is greater than N1. Irradiation should be given within six weeks (preferably three to four weeks) after the surgical procedure. To achieve this goal, the operation need only remove grossly detectable disease.

Aged↗
PubMed1975

The problem of advanced supraglottic carcinoma.

Sixty-four cases of advanced supraglottic laryngeal carcinoma, and the possible therapeutic errors in these cases, have been analyzed. The available time for the investigation and treatment in these cases is short because of the ease and rapidity of spread of these tumors; thus, it is of great importance: that the nature, site and extent of the tumor is determined quickly; that the patient's general condition is determined and improved as far as possible and the patient receives treatment also for other diseases he may have; and that the tumor is radically eliminated whenever possible without delay. The main causes of poor results have been: late admission for treatment; inadequate (too conservative) surgery; and development of metastases during preoperative treatment which includes radiation.

Finland↗
PubMed1977

Partial horizontal supraglottic laryngectomy. A method of reconstruction.

Despite the low occurrence of early laryngeal lesions amenable to Partial Supraglottic Laryngectomy, they form a very interesting and important group of lesions. Timing is important in their recognition, since adequate treatment can then be secured and important functions of the larynx preserved. The draw back in the treatment of these lesions by partial laryngectomy lies in the difficulty in restoring the patient to his preoperative pattern of life. Repeated aspiration pneumonitis becomes a life threatening problem in a good number of such patients. A new method of reconstruction is described here by which the aspiration problem is obviated with the aid of a pedicle flap to line the raw surface of the transected base of the tongue allowing the organ to remain in a position capable of occluding the glottis during deglutition, and at the same time guiding the food along the posterior pharyngeal wall and into the esophagus.

Humans↗
PubMed1991

Endoscopic CO2 laser excisional biopsy of early supraglottic cancer.

Endoscopic CO2 laser excisional biopsy of selected early supraglottic cancer patients has been described. None of these patients experienced the perioperative morbidities of bleeding, airway obstruction, or aspiration beyond 3 or 4 days. All patients were treated with full-course standard irradiation therapy after their laser procedures. Our very preliminary data suggest that stage I and stage II patients are effectively treated with endoscopic CO2 laser excisional biopsy, whereas stage III patients should undergo open surgeries where medically possible.

Biopsy↗
PubMed1991

Supraglottic carcinoma: impact of radiation therapy on outcome of patients with positive margins and extracapsular nodal disease.

Seventy-nine patients with supraglottic carcinoma treated between 1966 and 1985 are reviewed. All patients were treated with surgery and postoperative radiation therapy. Thirty-five percent of the patients had positive margins at the site of resection of the primary tumor. Of the 25 patients who had positive nodal disease, 13 patients (52%) had either extracapsular extension or soft-tissue or adjacent organ invasion, referred to in composite as "grave signs." The median follow-up of the patients was 4.9 years and all patients were followed for a minimum of 3 years. The disease-free survival for all patients was 76% at 2 years and 71% at 3 years. The locoregional control rate for all patients was 70%. This study demonstrates that there is no difference in local recurrence or disease-free survival, or time to recurrence relative to the status of the surgical margins, which may be a benefit of the postoperative radiation therapy. This study also demonstrates that there is an increase in the number of patients with grave signs with increasing nodal stage. The rate of neck recurrence in patients with grave signs was substantially higher (54%) than in patients without grave signs (8%), even though these patients also had positive lymph nodes. Interestingly, there was also a higher rate of local recurrence among patients who had grave signs. Patients receiving doses higher than 6000 cGy to the primary site had fewer local failures, although within each group of patients with positive or negative surgical margins the differences in survival were minimal.

Adult↗
PubMed1993

Clinical staging for primary malignancies of the supraglottic larynx.

A study of 520 patients with primary supraglottic cancer was conducted. The tumors were staged according to the 1983 and 1988 American Joint Committee on Cancer (AJCC) T- and N-stage definitions. There were 293 patients with early stage (T1, T2) tumors, 227 with advanced stage (T3, T4) tumors and 428 with early nodal disease (N0, N1) in both systems. In the 1983 N-staging, there were 44 N2 and 48 N3 lesions; in the 1988 N-staging, there were 62 N2 and 30 N3 lesions. Cox regression analysis showed that the 1983 and 1988 T-stage (T1 through T4) definitions successfully prognosticate for survival when patients were without neck node involvement. In contrast, when neck nodes were present, the N-stage (N0 through N3) of the disease prognosticated survival better than T-stage. Further analyses showed that the 1988 N-stage definition provided a better separation between N2 and N3 lesions compared to the 1983 version. Combined-modality treatment (surgery and radiation) significantly improved survival compared to single-modality treatment (surgery or radiation alone) when patients were staged T4 and N0 through N3 neck disease, but not when patients advanced from T1 to T3. Comparison of treatment efficacy over the last four decades for single- and combined-modality treatment did not reveal statistically significant differences in survival rates in our patient population. This was consistent with cumulative results of various institutions over the last four decades. We conclude that the 1988 AJCC T- and N-stage definitions successfully prognosticate for T-stage (T1 through T4) and N-stage (N0 through N3) with better separation of N2 and N3 lesions compared to the 1983 version.

Adenocarcinoma↗
PubMed2002

Clinicopathologic significance of expression of CD44s and CD44v6 isoforms in squamous cell carcinoma of the supraglottic larynx.

CD44 splice variants are assumed to have a critical role in the malignant progression of many human tumors. However, the clinical significance of CD44 expression is not yet understood. The aim of this study was to investigate the prognostic significance of expression of CD44s and CD44v6 isoforms in squamous cell carcinomas of the supraglottic larynx. CD44s and CD44v6 expression was determined by immunohistochemical analysis of paraffin-embedded tissue specimens from 101 patients. There was a significant correlation between decreased CD44s or CD44v6 expression and a poorer histologic differentiation. No relationship was observed with T stage or nodal metastasis. Decreased CD44s expression, but not CD44v6 expression, correlated with increased recurrence rates. There was no correlation between the decreased expression of any isoform tested and survival. These data confirm a reduction of CD44s and CD44v6 expression in poorly differentiated tumors. However, these changes do not offer a useful adjunct to current prognostic indicators.

Carcinoma, Squamous Cell↗