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Purpose: The objective of this study was to describe a patient with idiopathic supraglottic stenosis who experienced persistent disease despite multiple office-based and operative interventions, whose disease is now better controlled with scheduled serial office-based steroid injections., Methods: This is a case report and literature review., Results: A 42-year-old female was referred for worsening supraglottic stenosis despite systemic steroids. She underwent awake tracheotomy. A thorough historical, histologic, and laboratory workup did not reveal an etiology to her stenosis. She later underwent endoscopic partial laryngectomy and was able to be decannulated. She underwent a second endoscopic partial laryngectomy two years later for worsening disease and then was managed over the next seven years with intermittent systemic steroids. Over the last year, she has undergone eight office-based steroid injections with improvement in her degree of stenosis and symptom burden., Conclusions: There are only four prior reported cases of idiopathic supraglottic stenosis, none of which has been managed with serial office-based steroid injections. This case report adds to the small body of literature on the management of this rare disease and proposes a new office-based treatment pathway that may help induce regression of stenosis., (Copyright © 2018 The Voice Foundation. Published by Elsevier Inc. All rights reserved.)

Introduction: The antibiotic und antitumoral effect of Mitomycin C (MMC), a derivative of Streptomyces caespitosus, has been known since 1956. Besides its use as an adjunction in the treatment of breast, lung and prostate cancer, or as a second-line cytostatic drug for head and neck squamous cell carcinoma (HNSCC), since 1963, MMC has also been successfully used in the suppression of post-operative scar formation, particularly in the field of ophthalmology. This is due to its modulation of fibroblast activity, which enables decreased scarring and fibrosis. In this résumé, we wish to recapitulate our long years of experience in the topical application of Mitomycin C in the treatment of scar formation and stenosis in head and neck organs., Patients and Methods: A retrospective analysis on the basis of clinical disease courses and findings (image documentation, questionnaires, pulmonary function tests) covering an examination period of 10 years, was performed on 40 patients with stenosising lesions and a mean age of 54 years. The fields of application included laryngeal, tracheal, oesophageal stenosis and stenosis of the external ear canal and the choane., Results: After combined application of MMC and surgical intervention in cases of recurrent stenosising processes in head and neck organs, especially the larynx and the trachea, a sustained improvement was achieved in the pre-operative stenosis level as well as in the pre-operative, severely limited, forced inspiratory volume in 1 second (F1V1)., Conclusion: The topical application of MMC appears to be an effective adjunction as a concept of treatment for stenosising, scar-forming lesions. This topical application, however, is not a substitute for correct diagnosis and appropriate surgical treatment. It must be regarded as a purely adjunctive manoeuvre. During the 10 years in which it was used, the clinical findings confirmed an enhancement in the containment of complex cases without the occurrence of any complications., (Georg Thieme Verlag KG Stuttgart, New York.)

Laryngo-onycho-cutaneous syndrome is a very rare entity found in Punjabi families. It affects the skin, nails, and larynx. Laryngeal involvement may cause lethal airway obstruction, and has in the past proved very difficult to treat. Mitomycin C is an antibiotic that acts as an alkylating agent, inhibiting DNA synthesis. It reduces fibroblast proliferation, and has previously been used to treat choanal atresia and laryngeal stenosis. We report an 18-year-old man with complete transglottic laryngeal stenosis secondary to laryngo-onycho-cutaneous syndrome. An airway was established by dissection with a bougie and sickle knife, and was initially maintained by the upper limb of a Montgomery T-tube. Laryngeal granulation tissue present on removal of the T-tube was treated with topical mitomycin C (2 mg/mL) applied for 4 minutes on two occasions with an interval of 1 month. A year later, the airway remained patent, with no granulation tissue.

Recent advances in microsurgery of the larynx have heralded a new era in the endoscopic management of subglottic stenosis. The carbon-dioxide laser with bronchoscopic adapters can be successfully employed to reestablish an adequate subglottic lumen. Thirteen cases of subglottic stenosis were managed endoscopically with the carbon dioxide surgical laser. In 77% (10 of 13) of these patients, a satisfactory airway was reestablished within a one-year period. The technique of laser vaporization and the results of treatment are presented. The role of corticosteroid therapy, antibiotic therapy, tracheotomy, dilation, and laryngeal stenting is discussed.