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Granular cell myoblastoma of of the right main bronchus in a 5-year-old girl is reported. The tumor extended to the lower trachea from the right main bronchus which was occluded completely by the tumor. The diagnosis was established histologically by a obtaining bronchoscopic biopsy specimen. Right pneumonectomy was carried out to control pulmonary suppuration caused by the tumor obstruction of the bronchus. External radiotherapy and interstitial brachytherapy were successful to control the growth of the residual tumor. She has been free from symptoms for about 12 years after the treatment.

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Early superficial-type squamous cell esophageal carcinoma is seldom detected by esophagography. Review of the records at the Aichi Cancer Center Hospital revealed seven cases in which serial esophagograms were available to observe the growth pattern and speed of squamous cell esophageal carcinoma from its early superficial to advanced invasive stages. The esophageal carcinomas were found to grow very rapidly longitudinally as well as horizontally compared to gastric carcinomas. The longitudinal growth of the lesion appears to be constant and can be expressed as a linear function of time. Importance of early detection should be stressed in order to improve the poor cure rate of this fast-growing tumor.

No abstract