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PubMed1980

Cricoid chondritis.

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Cartilage Diseases↗
PubMed1989

[Subtotal hemilaryngectomy].

The technique of subtotal hemilaryngectomy developed by the author is described. It consists of: 1. Performing a lymph node excision as wide and extensive as necessary. 2. Removal of half (in a sagittal sense) of the thyroid and arytenoid, if necessary, from the side of the lesion. 3. Complete preservation of the cricoid cartilage. 4. Immediate closure of the larynx defect with pre-laryngeal musculature.

Adult↗
PubMed1986

[Dilatation of the glottis in bilateral vocal cord paralysis. Review of various surgical procedures and a report of personal experience using a functional lateral fixation surgical technic].

For the treatment of bilateral vocal cord paralysis, the author's technique consists of preservation of the posterior crico-arytenoid ligament as a hinge as well as turning and tilting of the arytenoid cartilage laterally. It is held in this position with three permanent retention sutures, two of them armed with heavy knots. These knots will reinforce the lateral rotation of the arytenoid cartilage. These sutures run in the submucosa horizontally along the anterior surface of the arytenoid cartilage and are fixed through burr holes on the posterior margin of the thyroid cartilage. This method developed from the original "King Procedure" leaves the laryngeal mucosa maximally undisturbed so that in 80% of the cases preliminary tracheotomy became unnecessary. During a period of 27 years, 110 patients were operated; 27 of them had a previously created tracheostoma. Out of the remaining 83, 16 had tracheotomy directly before surgery. Of the remaining 67 patients, four required postoperative tracheotomy for a few days only, while 63 did not require this additional treatment. The average hospital stay was 11 days. In the majority of cases the operation could be performed under local anaesthesia which helped to establish proper voice function.

Adolescent↗
PubMed1981

Congenital laryngeal stridor secondary to flaccid epiglottis, anomalous accessory cartilages and redundant aryepiglottic folds.

Most laryngeal anomalies are supraglottic and laryngomalacia is the most common. Cysts, bifid epiglottis and absence of the epiglottis are uncommon. An 18-year-old Caucasian man had long-standing stridor caused by anomalous supraglottic structures: a small floppy epiglottis, enlarged accessory cartilages and redundant aryepiglottic folds. These structures were excised and the airway was improved. The ventral portions of the fourth arches become the aryepiglottic folds and lateral segments of the epiglottis. A disturbance in this portion of the fourth arch may explain the anomaly. The cartilaginous contributions to the epiglottis were possibly isolated as accessory cartilages. Epiglottic anomalies may be associated with other anomalies, especially the digits of the hand. This patient had a short lingual frenulum and mild macroglossia.

Adolescent↗
PubMed1985

Voice preservation technique in the surgical treatment of postcricoid cancer.

In patients with freedom from invasion to anterior half of the larynx in postcricoid and cervical esophageal cancer, reconstruction of vocal tract with preservation of the anterior half of the larynx is applied with oncologic rationality and we performed the procedure in three cases of T2N1. At neck dissection bilateral superior thyroid neurovascular pedicles and unilateral inferior thyroid vessels were preserved. The larynx and upper part of the trachea were devided on the frontal plane and the posterior half with the hypopharynx and cervical esophagus was removed. The anterior half of the part was preserved and the mucosal edges of the cut surface extending from the appropriate margin of membranous portion of the trachea to the aryepiglottic folds were longitudinally approximated to reconstruct a thin tube to rehabilitate the voice. The pharyngoesophagus was replaced by either deltopectoral flap or forearm flap. Postoperative aspiration was minimal and voice rehabilitation was satisfactory.

Cricoid Cartilage↗
PubMedDate not supplied

Ultrasonographic examination of the pharynx and larynx of the normal dog.

Real-time ultrasonographic examination of the canine larynx was performed in 12 normal dogs using a 7.5-mHz mechanical sector scanner combined with a stand-off. A variety of breeds and ages were examined. All examinations were performed in nonsedated, conscious animals. Transverse scans were found to provide the most reliable and interpretable images. Identification of laryngeal structures included the epiglottis, laryngeal and cricoid cartilages, and the vocal cords. In conscious animals, abduction and adduction of the vocal cords associated with respiration could be identified if the animal was made to pant during the examination. Movement of the vocal cords could also be quantified by pulse-wave Doppler recording. In all animals, recordings were made during inspiration only, with muscular vibration at a rate less than 0.1 m/s.

Animals↗