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Biomedical subjects

H Goepfert

Publications and source records attributed to H Goepfert.

At least 235 records · Page 13Linked to original sources
PubMedDate not supplied

Juvenile nasopharyngeal angiofibroma: an update of therapeutic management.

BACKGROUND: Juvenile nasopharyngeal angiofibroma (JNA) is a benign tumor of the nasopharynx composed of fibrous connective tissue and an abundance of endothelium-lined vascular spaces. The name of the disease is derived from the fact that it occurs during adolescence, almost exclusively in boys. METHODS: This study examines the natural characteristics of JNA, the imaging techniques used to diagnose and stage the neoplasm, and the treatment approaches used to manage the disease. RESULTS: Forty-three cases of JNA diagnosed and treated at the University of Texas M. D. Anderson Cancer Center over a 38-year period were reviewed for the study. The cases were divided into two groups, those occurring between 1955 and 1974 and those occurring between 1975 and 1991, to accurately represent the developments in diagnostic and treatment methodology during those time periods. CONCLUSION: The results of our study show that: (1) the imaging techniques used after 1965 (angiography, computed tomography, and magnetic resonance imaging) greatly improve the staging of JNA; (2) morbidity, recurrence, and intraoperative complications decrease when preoperative embolization and skull-based surgical approaches are used; and (3) surgical resection is the most common primary treatment, with chemotherapy and radiotherapy recommended as possible other options.

Adolescent↗
PubMedDate not supplied

Neck surgery in patients with primary oropharyngeal cancer treated by radiotherapy.

BACKGROUND: The role of neck surgery in node-positive patients whose primary tumors are treated by definitive radiotherapy is controversial. This analysis was undertaken to assess the risk of withholding planned neck dissection in patients who obtain a complete nodal response to irradiation. METHODS: We reviewed the records of 100 patients who presented between 1984 and 1993 with oropharyngeal cancers metastatic to the neck and whose primary tumors were treated by radiotherapy using the concomitant boost regimen. Seventy-five patients had their nodal disease treated definitively by radiotherapy; those who had complete clinical resolution of all nodal disease (62) had no planned surgery, while 13 underwent neck dissection for presumed residual disease. The remaining 25 patients had either node excision (8) or neck dissection (17) prior to radiotherapy. RESULTS: There were 8 cases of isolated neck failure of which 3 occurred in the 62 patients who had no planned neck surgery, 0 in the 13 patients who had surgery for presumed residual (pathologically negative in 7). and 5 in the 25 patients who had initial neck surgery. In those who obtained a complete response to definitive radiotherapy, the risk of neck relapse was unrelated to pretreatment nodal size. CONCLUSIONS: The policy of observation of the neck after complete nodal response to full-dose irradiation is both safe and cost effective. Imaging to confirm the resolution of nodal disease is recommended.

Adult↗
PubMedDate not supplied

Surgical management of laryngotracheal and esophageal involvement by locally advanced thyroid cancer.

Well-differentiated thyroid cancer usually progresses slowly and rarely invades other tissues. However, the rare cases with invasion of local structures, such as the larynx, trachea, or esophagus, present particular management difficulties. In situations with limited involvement of the larynx or trachea, there is controversy over whether a "shave excision" that may leave microscopic disease at the site, or a complete resection that includes removal of a portion of these structures is the better approach. In the case of more extensive involvement of upper aerodigestive tract structures by thyroid carcinomas, the most appropriate method of resection and reconstruction is also at issue. We discuss the literature pertaining to the surgical management of laryngotracheal and esophageal invasion by thyroid carcinoma, review the incidence and presentation of this disease, and make recommendations based on our own experience.

Esophageal Neoplasms↗
PubMedDate not supplied

Resection of advanced cervical metastasis prior to definitive radiotherapy for primary squamous carcinomas of the upper aerodigestive tract.

Thirty-five previously untreated patients with stage IV squamous cell carcinoma of the upper aerodigestive tract with advanced neck disease (mass greater than 3 cm) but with primary lesions thought to be locally controllable with radiotherapy were selected between 1972 and 1988 for treatment by neck dissection followed by radiotherapy; postoperative to the neck and definitive to the primary. Limited neck dissections spared muscles, nerves, and vasculature structures unless clinically involved with cancer. All patients received at least 50 Gy, postoperatively, to the entire neck with doses of up to 75 Gy being delivered to the primary treatment portals. Regional (neck) failure occurred in 11% (4 of 35) patients. Overall, 5-year survival from cancer was 55%. Multiple levels of neck involvement were associated with poorer survival than a single large node; however, the difference was not statistically significant. Delay in the institution of radiotherapy following surgery adversely affected survival (p = 0.01). This study demonstrates that in selected patients it is possible to resect advanced nodal metastasis prior to treating the primary with radiotherapy without compromising cancer control.

Adult↗
PubMedDate not supplied

Immediate free flap mandibular reconstruction: significance of adequate surgical margins.

The pathologic records of 182 consecutive patients who had mandible resections were reviewed to determine the incidence of positive margins in the bone specimens and the risk factors associated with positive margins. Of the 182 cases reviewed, 82 (45%) were found to have involvement of the mandible at the time of resection and four (2%) were found to have positive margins. The predominant tumor histology was squamous cell carcinoma, 148 of 182 (81%), followed in frequency by osteosarcoma 12 of 182 (7%), salivary gland tumors 13 of 182 (7%), and miscellaneous other tumors (nine of 182 (5%). Of the four tumors with positive margins, two (50%) were squamous cell carcinomas, one (25%) was an osteosarcoma, and one (25%) was a salivary gland tumor. All four tumors were large tumors that had failed to respond to previous therapy. All obviously involved the mandible at the time of presentation. This study demonstrates that the incidence of bone margin involvement after mandibulectomy is rare and predictable and that clinical selection of candidates for immediate reconstruction is reliable in preventing inappropriate use of free bone flaps in patients at risk for positive bone margins.

Adenoma, Pleomorphic↗
PubMedDate not supplied

Carcinoma of the tonsil.

Although the experts acknowledge that there is no conclusive evidence linking secondhand smoke to head and neck cancer, a recent report by the Environmental Protection Agency classifies secondhand smoke as a group A carcinogen. There is strong evidence linking it to carcinoma of the lung. Whereas you may not be able to tell your patient that the same cause and effect is present for head and neck cancer, it is the editor's belief that this will one day be proven. Three experts agreed to treat this patient with surgery followed by full-course radiotherapy, although the surgical approaches differed. They included a marginal mandibulectomy, radical neck dissection, and plating of the remaining mandible (Dr. Strome) and a composite resection (Drs. Ward and Johnson). For reconstruction, options included a modified FAMM flap or a split-thickness skin graft (Dr. Strome), tongue flap or pectoralis major myocutaneous flap (Dr. Ward), or a split-thickness skin graft (Dr. Johnson). One consultant suggested resecting the neck mass and treating the primary tumor and neck with radiotherapy. A dental consultation is in order prior to radiotherapy (Dr. Goepfert). With regard to this woman's mental status, all the experts called for counseling. The husband should be included in the discussions (Dr. Strome and Ward) and consideration should be given to the Women's Right Advocacy Group (Dr. Johnson).

Aged↗
PubMedDate not supplied

Professional burnout among head and neck surgeons: results of a survey.

Burnout may develop in highly productive, hard-working individuals from all walks of life. Extending working hours under stressful circumstances may produce a sense of frustration resulting in emotional exhaustion, loss of empathy for patients, and a decreased sense of personal accomplishment. The membership of the American Society of Head and Neck Surgery and the Society of Head and Neck Surgeons was surveyed by mail relative to burnout. A total of 395 head and neck surgeons responded. Mean age was 48 years. The average individual worked an average of 66 hours per week. More than 70% of work was devoted to patient care of which 30% to 50% was devoted to the management of head and neck cancer. A total of 128 (34%) individuals responded that they felt "burned out." Only 27%, however, indicated frustration with disease, whereas 67% indicated frustration by government and 58% indicated frustration by the economics of medical practice. Most respondents enjoy their work, nevertheless, the stress of extending working hours dealing with severely ill patients, and the increased need to deal with government and economic issues is of concern to the community of physicians practicing head and neck surgery. Discussion about and confrontation with these issues are appropriate to facilitate and enhance an individual's ability to continue to function productively in this environment.

Burnout, Professional↗
PubMedDate not supplied

New test series for the functional evaluation of oral cavity cancer.

There are few studies that have addressed themselves to measuring speech, swallowing function and the "quality of life" of patients that have been treated for oral cavity cancer. The goal of this study was to develop a test series to assess the oral cavity function and the general health of patients treated for oral cavity cancer. The results of 51 patients treated for oral cavity cancer will be compared by the site and stage of the lesion, as well as by treatment mode. In addition, the functional results achieved by different reconstructive techniques in the oral cavity will be presented. Radiotherapy patients as a group have the best speech and swallowing function while the patients treated with combined therapy have the worst function. In the surgical group, those patients treated with intraoral skin grafts had the best speech results and those with primary closures had the best swallowing performance.

Adult↗
PubMedDate not supplied

Primary lymphoma of the mandible.

The mandible is an uncommon presentation site for lymphoma and misdiagnosis is common. Eleven patients with lymphoma of the mandible were seen between 1947 and 1983. In 5 of the 11 patients, the diagnosis of lymphoma could not be established from the initial biopsy and additional material for examination was required. In three patients, this resulted in a partial or total removal of the mandible. In a recent histopathologic review, the diagnosis of diffuse large cell was made in seven, diffuse undifferentiated (non-Burkitt's) in two, diffuse undifferentiated (Burkitt's) in one, and unclassified in one. Using the Ann Arbor method of staging, six patients were determined to have stage IE disease; three had stage IIE, and two had stage IV. In 10 patients definitive treatment consisted of radiotherapy, chemotherapy, or a combination of both. Treatment was limited to surgery in one patient. The 5-year overall and disease-free survival rates were 62% and 50%, respectively. These results are comparable to those for lymphoma of other extranodal head and neck sites.

Adolescent↗