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Previous literature reviews comparing transoral laser surgery versus radiotherapy for glottic carcinoma treatment have analysed ‘early stage’ disease as one group. The current review aimed to assess local control outcomes, comparing these two treatment modalities, specifically for either tumour stage 1a or stage 1b lesions.
Methods:
The three authors conducted independent, structured literature searches. Simple weighted means were calculated.
Results:
Thirty-six publications were analysed. Three-year local control rates for tumour stage 1a tumours were 88.9 per cent for transoral laser surgery (n = 1308) and 89.3 per cent for radiotherapy (n = 2405). For tumour stage 1b tumours, the local control rates were 76.8 per cent for transoral laser surgery (n = 194) and 86.2 per cent for radiotherapy (n = 492).
Conclusion:
From this analysis of level four evidence, there was no demonstrable difference in local control rates for tumour stage 1a glottic squamous cell carcinoma treated by transoral laser surgery or radiotherapy. There was a trend towards improved local control of tumour stage 1b tumours treated with radiotherapy, but this finding was based on a limited number of published outcomes (n = 194).
To determine the rate of spontaneous tumour shrinkage in a group of patients with sporadic vestibular schwannoma managed with a ‘wait and scan’ approach.
Patients:
All patients with a unilateral cerebello-pontine angle tumour resembling a vestibular schwannoma were registered prospectively in a national database in Denmark. Patients registered with tumour shrinkage were identified and all computed tomography and magnetic resonance imaging scans retrieved, re-evaluated and related to the clinical data.
Results:
Of 1261 observed patients, 48 displayed spontaneous shrinkage (3.81 per cent). Mean absolute shrinkage was 6.25 mm, equivalent to 52.1 per cent. Absolute shrinkage correlated with tumour size and follow-up period, whereas relative shrinkage was significantly greater for tumours which were purely intrameatal at diagnosis. There was no correlation between age and the degree of shrinkage.
Conclusion:
Four per cent of sporadic vestibular schwannomas shrink spontaneously. These findings substantiate the ‘wait and scan’ strategy for tumours with a largest extrameatal diameter of up to 20 mm.
To investigate and compare the performance of head mirrors and headlights during otolaryngological examination.
Methods:
The illuminance and illumination field of each device were measured and compared. Visual identification and visual acuity were also measured, in 13 medical students and 10 otolaryngology specialists.
Results:
The illuminance (mean ± standard deviation) of the LumiView, Kimscope 1 W and Kimscope 3 W headlights and a standard head mirror were 352.3 ± 9, 92.3 ± 4.5, 438 ± 15.7 and 68.3 ± 1.2 lux, respectively. The illumination field of the head mirror (mean ± standard deviation) was 348 ± 29.8 grids, significantly greater than that of the Kimscope 3 W headlight (183 ± 9.2 grids) (p = 0.0017). The student group showed no statistically significant difference between visual identification with the best headlight and the head mirror (score means ± standard deviations: 56.2 ± 9 and 53.3 ± 14.1, respectively; p = 0.3). The expert group scored significantly higher for visual identification with head mirrors versus headlights (59.7 ± 3.3 vs 55.2 ± 5.8, respectively; p = 0.0035), but showed no difference for visual acuity.
Conclusion:
Despite the advantages of headlight illumination, head mirrors provided better, shadow-free illumination. Despite no differences amongst students, head mirrors performed better than headlights in experienced hands.
YouTube is an internet-based repository of user-generated content. This study aimed to determine whether YouTube represented a valid and reliable patient information resource for the lay person on the topic of rhinosinusitis.
Methods:
The study included the first 100 YouTube videos found using the search term ‘sinusitis’. Videos were graded on their ability to inform the lay person on the subject of rhinosinusitis.
Results:
Forty-five per cent of the videos were deemed to provide some useful information. Fifty-five per cent of the videos contained little or no useful facts, 27 per cent of which contained potentially misleading or even dangerous information. Videos uploaded by medical professionals or those from health information websites contained more useful information than those uploaded by independent users.
Conclusion:
YouTube appears to be an unreliable resource for accurate and up to date medical information relating to rhinosinusitis. However, it may provide some useful information if mechanisms existed to direct lay people to verifiable and credible sources.
Nasal polyposis is characterised by opacification of the nasal cavities, paranasal sinuses and ostiomeatal complexes on computed tomography scanning. Sinonasal bony changes have been reported as disease sequelae.
Objectives:
To assess the prevalence of sinonasal bone expansion, erosion and thickening in patients with nasal polyposis, and to correlate disease severity with the prevalence of bony changes.
Methods:
A retrospective radiological study was conducted comprising pre-operative computed tomography scans of 104 patients with nasal polyposis and scans of 44 age- and gender-matched individuals (control group) without sinonasal disease. Lund–Mackay scores and bony changes were quantified.
Results:
Ninety-three per cent of the study group scans showed sinonasal bony change, with no changes in the control group. Radiological severity of nasal polyposis correlated positively with the prevalence of bony changes (rs = 0.31; p < 0.01).
Conclusion:
Sinonasal bony changes were common in the study group. This highlights the importance of pre- and intra-operative imaging, which can help to prevent intra-operative complications. As bony changes may mimic invasive disease, the importance of histological assessment of polyps is emphasised.
To conduct a questionnaire survey of speech and language therapists providing and managing surgical voice restoration in England.
Method:
National Health Service Trusts registering more than 10 new laryngeal cancer patients during any one year, from November 2009 to October 2010, were identified, and a list of speech and language therapists compiled. A questionnaire was developed, peer reviewed and revised. The final questionnaire was e-mailed with a covering letter to 82 units.
Results:
Eighty-two questionnaires were distributed and 72 were returned and analysed, giving a response rate of 87.8 per cent. Forty-four per cent (38/59) of the units performed more than 10 laryngectomies per year. An in-hours surgical voice restoration service was provided by speech and language therapists in 45.8 per cent (33/72) and assisted by nurses in 34.7 per cent (25/72). An out of hours service was provided directly by ENT staff in 35.5 per cent (21/59). Eighty-eight per cent (63/72) of units reported less than 10 (emergency) out of hours calls per month.
Conclusion:
Surgical voice restoration service provision varies within and between cancer networks. There is a need for a national management and care protocol, an educational programme for out of hours service providers, and a review of current speech and language therapist staffing levels in England.
The presentation of vocal fold palsy with associated goitre has historically been considered to be due to malignancy with recurrent laryngeal nerve involvement.
Method:
In total, 830 consecutive patients who underwent thyroid surgery were reviewed. Patients with vocal fold paralysis and thyroid disease were examined to determine the aetiology of the paralysis.
Results:
Nine patients were identified with new onset vocal fold paralysis prior to thyroid surgery. Six of the patients with recurrent laryngeal nerve paralysis had benign thyroid disease, and for three of the patients the paralysis was secondary to malignancy.
Conclusion:
Recurrent laryngeal nerve paralysis in the presence of thyroid disease is not pathognomonic for malignancy. The current literature may underestimate the association between vocal fold paralysis and benign thyroid disease. The paper also highlights the importance of recurrent laryngeal nerve preservation in patients who present with palsy and thyroid disease; the relief of benign compression often leads to complete recovery of recurrent laryngeal nerve paralysis.
Voice rest is commonly recommended after vocal fold surgery, but there is a lack of evidence base and no standard protocol. The aim of this study was to establish common practice regarding voice rest following vocal fold surgery.
Method:
An online survey was circulated via e-mail invitation to members of the ENT UK Expert Panel between October and November 2011.
Results:
The survey revealed that 86.5 per cent of respondents agreed that ‘complete voice rest’ means no sound production at all, but there was variability in how ‘relative voice rest’ was defined. There was no dominant type of voice rest routinely recommended after surgery for laryngeal papillomatosis or intermediate pathologies. There was considerable variability in the duration of voice rest recommended, with no statistically significant, most popular response (except for malignant lesions). Surgeons with less than 10 years of experience were more likely to recommend fewer days of voice rest.
Conclusion:
There is a lack of consistency in advice given to patients after vocal fold surgery, in terms of both type and length of voice rest. This may arise from an absence of robust evidence on which to base practice.
The search for a primary malignancy in patients with a metastatic cervical lymph node is challenging yet ultimately of utmost clinical importance. This study evaluated the efficacy of positron emission tomography computed tomography in detecting the occult primary, within the context of a tertiary referral centre head and neck cancer multidisciplinary team tumour board meeting.
Methods:
Thirty-two patients (23 men and 9 women; mean and median age, 61 years) with a metastatic cervical lymph node of unknown primary origin, after clinical examination and magnetic resonance imaging, underwent positron emission tomography computed tomography.
Results:
The primary tumour detection rate was 50 per cent (16/32). Positron emission tomography computed tomography had a sensitivity of 94 per cent (16/17) and a specificity of 67 per cent (10/15). Combining these results with those of 10 earlier studies of similar patients gave an overall detection rate of 37 per cent.
Conclusion:
Positron emission tomography computed tomography has become an important imaging modality. To date, it has the highest primary tumour detection rate, for head and neck cancer patients presenting with cervical lymph node metastases from an unknown primary.
To assess the feasibility and clinical value of using the CellSearch system to detect circulating tumour cells in patients with advanced-stage head and neck squamous cell carcinoma.
Methods:
Circulating tumour cells were isolated and counted via positive selection utilising magnetically labelled anti-epithelial cell adhesion molecule and immunocytochemical staining for cytokeratin. The correlation between circulating tumour cell presence and clinical features was evaluated in nine patients newly diagnosed with advanced-stage (stage III or IV) head and neck squamous cell carcinoma.
Results:
Circulating tumour cells were detected in three of the nine patients (33 per cent). Circulating tumour cell positivity was more prevalent in node stage 2 to 3 patients (3 of 5, 60 per cent) than node stage 0 to 1 patients (0 of 4, 0 per cent). Recurrent or progressive disease was observed in only one of the six patients (17 per cent) without circulating tumour cells, compared with two of the three patients (67 per cent) with circulating tumour cells.
Conclusion:
In this preliminary study, circulating tumour cells were successfully isolated in patients with advanced-stage head and neck squamous cell carcinoma, using the CellSearch system. Further investigation is needed to evaluate the prognostic significance of circulating tumour cells.
To determine the success rate of initial probing in children with congenital nasolacrimal duct obstruction at different ages, using nasal endoscopy.
Methods:
Fifty eyes of 38 consecutive children with congenital nasolacrimal duct obstruction underwent endoscopic nasolacrimal duct probing under general anaesthesia. Patients were followed up for at least three months. Probing success was defined as complete remission of symptoms and a normal fluorescein dye disappearance test result.
Results:
The age range of patients was 17–109 months. The success rates of probing were: 100 per cent (29 out of 29) for cases of stenosis at the lower nasolacrimal duct, 100 per cent (7 out of 7) for functional epiphora cases and 92.86 per cent (13 out of 14) for nasolacrimal atresia cases. Overall, there was only one child for whom the probing treatment for nasolacrimal duct obstruction was not successful; this child had Down's syndrome and a more complex developmental abnormality of the nasolacrimal duct. Age and site of obstruction were not found to significantly affect the outcome of probing.
Conclusion:
Probing of the nasolacrimal system using an endoscopic approach allows direct visualisation of the nasolacrimal duct. This can facilitate diagnosis of the anomaly and significantly increase the procedure success rate.
To investigate the risk of contamination of lidocaine hydrochloride 5 per cent weight/volume and phenylephrine hydrochloride 0.5 per cent weight/volume topical solution, both in patients (in vivo) and in the laboratory setting (in vitro).
Methods:
This paper reports a prospective study involving 10 samples of the lidocaine hydrochloride and phenylephrine hydrochloride topical anaesthetic spray. The samples were assessed for microbiological contamination after a single use on patients in a controlled laboratory environment. Additional samples were assessed for baseline contamination and later assessed for contamination in an in vitro setting.
Results:
In the in vivo setting, 2 of the 10 samples were positive for cultures from both the pump and the bottles. However, in the in vitro setting, the pump and the contents of the bottles were contaminated after a single use when the sterile solution was sprayed from distances of 1 and 2 cm.
Conclusion:
The lidocaine hydrochloride and phenylephrine hydrochloride topical solution assembly was contaminated in both in vivo and in vitro settings after a single use.
To report a case of subdural haematoma occurring as an extremely rare and life-threatening complication of cochlear implantation, and to explore the causative association between intracranial haemorrhage and cochlear implantation surgical techniques. This association has not previously been reviewed in depth.
Case report:
A three-year-old boy was diagnosed with a large subdural haematoma, one week after cochlear implantation. After emergency evacuation of the haematoma, the patient made an excellent recovery and was discharged from hospital without any neurological deficit.
Results:
Mechanisms of injury are discussed and the literature reviewed, focusing on the possible causes of intracranial haemorrhage identified after cochlear implantation. Notably, bone drilling had been used in all reported cases, and the probable causative injury had always occurred after such drilling.
Conclusion:
The issue of bone drilling during cochlear implantation is raised, and alternative methods of implant housing suggested, in order to avoid intracranial haemorrhage.
Myopericytoma is a relatively recently described skin and soft tissue tumour that demonstrates perivascular myoid cell or pericytic differentiation. Whilst the range of anatomical locations has expanded to include visceral locations, head and neck myopericytomas are rarely documented. There have been no previous reports of aural myopericytoma.
Case report:
This paper reports the clinicopathological features of a biopsy-proven, slow-growing, 20 × 20 mm, polypoid myopericytoma that involved the external auditory canal and tragus in an 18-year-old woman. Excision was curative.
Conclusion:
Heightened clinicopathological awareness of the expanding anatomical distribution of myopericytoma is critical to its diagnosis when it presents in unusual and novel locations. Myopericytoma should be added to the range of external auditory canal neoplasms, especially those characterised by an admixture of spindle cells and a prominence of blood vessels, including those with a haemangiopericytomatous pattern.
Septoplasty is one of the most common otolaryngological operations. It is often dismissed as a simple procedure, despite the wide range of potential complications. We describe the first reported case of unilateral hemiplegia as a complication of septoplasty.
Methods and results:
A 51-year-old man presented with right hemiplegia following a septoplasty and turbinoplasty procedure carried out elsewhere. Cranial imaging showed a breakthrough fracture of the left sphenoid sinus anterior wall and clivus, with a haemorrhagic area in the left paramedian pons, which was responsible for the patient's right hemiplegia. Despite neurological and physiotherapeutic rehabilitation, the patient gained only partial recovery from his right hemiplegia.
Conclusion:
Good intra-operative visualisation and appropriate surgical technique are essential to prevent complications and achieve a functional nasal airway. The importance of the presented case to the pre-operative informed consent process is underlined.
To report a case of life-threatening epistaxis in a pregnant patient, describe the links between pregnancy and epistaxis, and discuss the management of such cases. Life-threatening epistaxis in pregnancy is rare, and there are no specific evidence-based guidelines regarding the management of these patients.
Case report:
A 31-year-old primigravida presented with severe epistaxis in the second trimester of her pregnancy. Conservative measures failed, thereby necessitating surgical intervention.
Conclusion:
This case illustrates the importance of a multidisciplinary approach in the management of a pregnant patient presenting with severe epistaxis, and highlights the surgical challenges presented in such a situation.
The objective of this article was to report a case of isolated, acute, right-sided sphenoid sinusitis that progressed to contralateral cavernous sinus thrombosis in an 18-year-old male patient. We describe the atypical presentation of this case and discuss the relevant anatomy, pathogenesis, presentation, diagnostic evaluation and treatment.
Case report:
A case report of sphenoid sinusitis leading to contralateral cavernous sinus thrombosis was reviewed and presented along with a comprehensive literature review of the relevant anatomy, pathophysiology, microbiology, diagnostic work-up and treatment options.
Conclusion:
Cavernous sinus thrombosis is a rare clinical entity in the antibiotic era. However, limited sphenoid sinusitis may progress to cavernous sinus thrombosis in spite of maximal medical treatment, as highlighted in this case report. The mainstay of treatment includes early diagnosis allowing aggressive intravenous antibiotics and appropriate surgical management.
To discuss the diagnostic pitfalls and limitations of imaging investigations in non-otogenic skull base osteomyelitis.
Case report:
This paper reports a fatal case of non-otogenic fungal skull base osteomyelitis in an immunosuppressed patient. The patient initially presented with headache and later diplopia during multiple hospital admissions. A retrospective review of the initial imaging studies of his skull base revealed subtle signs of early infection at the inferior portion of the nasopharynx. Biopsies were taken from the posterior nasopharyngeal wall. Fungal cultures isolated Aspergillus fumigatus and mucor species.
Conclusion:
The insidious onset of the clinical features and the limitations of the currently available investigations make early diagnosis of skull base osteomyelitis difficult. This case highlights that skull base osteomyelitis should be suspected in immunocompromised patients with subtle radiological abnormalities on initial imaging. There is still controversy regarding the most accurate method of investigation for early diagnosis, and quite often multiple imaging modalities are required.
We report a unique case of anatomical variation of the extracranial course of the optic nerve running in the floor of the sphenoid sinus.
Method:
Clinical and radiological findings are presented.
Results:
A 39-year-old woman with Turner syndrome presented with severe headache associated with visual disturbances. Magnetic resonance imaging revealed a mass presumed to be a sella meningioma. Computed tomography of the paranasal sinuses was undertaken to help plan surgical removal via an endoscopic trans-sphenoidal approach; this scan revealed an atypical extracranial course of the optic nerve, running in the floor of the sphenoid sinus.