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Ultrasound Med Biol. 2001 Jan;27(1):13-9.

Short-time ultrasound of head and neck squamous cell carcinoma under radiotherapy.

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Department of Radiology, Nippon Medical School, Tokyo, Japan.


To evaluate the efficacy of ultrasonography for patients with head and neck squamous cell carcinoma before and during radiotherapy (RT), consecutive patients with macroscopic lesions were examined before and during RT. Each scan was performed percutaneously in a short time (less than 5 min). The demonstration rate of primary tumors and the largest node of previously known metastatic cervical nodes were measured. Of all 190 patients, 91 primary tumors were detected (47.9%). Primary tumors in oral cavity, oropharynx, hypopharynx and cervical esophagus were determined in over 70% and, for those of nasopharynx and larynx, the demonstration rates were 30% or less. Nodal metastases were visualized in 78 of 80 patients with regional metastases (97.5%). Using the above information, 73 patients (38.4%) received the benefit of radiation therapy. Short-time sonography is a valuable modality for patients with selected sites of head and neck cancers.

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