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At least 685 records · Page 38Linked to original sources
PubMed1976

A radiologic advance in the diagnosis of disorders of the larynx.

The cervical spine greatly reduces the usefulness of anteroposterior soft tissue radiologic examination of the larynx. Fractures of the laryngeal and cricoid cartilages are difficult to diagnose by soft tissue technique, and time-consuming laminagraphy is often required. A new technique for single exposure anteroposterior soft tissue radiography of the cartilages and airway is described. An esophageal cassette containing ultraspeed dental film placed in a retrolaryngeal position is shown to yield detailed radiographs of high contrast. The feasibility of this technique is illustrated by the presentation of radiographs from patients with laryngeal disorders. The new technique is compared with existing examinations available to the clinician and its application in other disorders of laryngeal cartilages and soft tissue is discussed.

Fractures, Bone↗
PubMed2004

Superimposed dual-isotope SPECT using 99mTc-hydroxymethylene diphosphonate and 201Tl-chloride to assess cartilage invasion in laryngohypopharyngeal cancer.

OBJECTIVE: Cartilage invasion in laryngohypopharyngeal cancer has a significant impact on the choice of treatment modality and outcome of the disease. We examined invasion of cartilage in laryngohypopharyngeal cancer by simultaneous bone and tumor dual-isotope SPECT using 99mTc-hydroxymethylene diphosphonate and 201Tl-chloride. METHODS: Early and delayed simultaneous bone and tumor dual-isotope SPECT were performed on 19 patients with laryngohypopharyngeal cancer. Dual-isotope SPECT images were superimposed to project tumor location from tumor SPECT onto the osseous structures shown by bone SPECT. The presence or absence of cartilage invasion was evaluated histopathologically or by radiological studies such as CT and/or MRI. RESULTS: Histopathological or radiological examination of the cartilage revealed invasion in 5 patients and no invasion in 14 patients. The results of both early and delayed dual-isotope SPECT were exactly the same. Using dual-isotope SPECT, the sensitivity, specificity, and accuracy in detecting cartilage invasion by laryngohypopharyngeal cancer were: 80% (4/5), 92.9% (13/14), and 89.5% (17/19), respectively. CONCLUSIONS: Results of the present study suggest that superimposed early bone and tumor dual-isotope SPECT images may be sufficient for the diagnostic evaluation of cartilage invasion by laryngohypopharyngeal cancer. Superimposed dual-isotope SPECT imaging is a useful technique in the evaluation of cartilage invasion in laryngohypopharyngeal cancer.

Aged↗
PubMed1981

Congenital stridor caused by redundant arytenoid mucosa.

Two cases of congenital stridor caused by merely unusual redundancy of the mucosa covering the arytenoids are reported in this paper. The stridor was noted only when the patients were awake, and was not affected by postural changes of patients. The patients who did not reach their full mental and physical development had congenital abnormalities: cleft palate in one case, and hypertrichiosis, short palpebral fissures of camptodactyly in the other. No abnormalities were revealed in the patients on examinations of chromosomes, thyroid hormones and brains using the techniques of computerized axial tomographic scanning and electroencephalography. The diagnosis of these cases should be confirmed by a direct laryngoscopy or a laryngofiberscopy. Although the etiology of redundant arytenoid mucosa is not known, it may be suggested that this condition is incidental to other congenital abnormalities.

Abnormalities, Multiple↗