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Biomedical subjects

H Yusa

Publications and source records attributed to H Yusa.

25 records · Page 2Linked to original sources

Objective evaluation of function of the lower lip reconstructed with a myocutaneous advancement flap.

Many surgical methods have been developed for reconstruction of extensive defects resulting from resection of lower lip cancer, with the aim of achieving of normal appearance and function. However, observers' subjective evaluation, which is the method usually employed, makes comparison of the outcomes of appearance and function obtained from different techniques difficult. In this paper, a speech intelligibility test and electromyography were used as objective means of evaluating the motor function of the reconstructed lower lip.

Carcinoma, Squamous Cell↗

Use of Doppler color flow imaging for differential diagnosis of vascular malformations: a preliminary report.

PURPOSE: To ascertain whether Doppler color flow imaging can demonstrate the characteristics of blood flow within vascular lesions. MATERIALS AND METHODS: Two cases with vascular malformation in the soft tissues of the maxillofacial region were examined. One was an arteriovenous, high-flow type malformation involving the tongue, the floor of the mouth, and the mandible. The other was a venous, low-flow type malformation of the whole tongue. The technique used was the same as that for the extraoral approach in conventional ultrasound imaging. RESULTS: Doppler color flow imaging provided valuable information on the hemodynamic characteristics of the vascular malformations when comparing with other diagnostic forms of imaging, and clearly differentiated between high- and low-flow vascular lesions. CONCLUSION: Doppler color flow imaging was suggested to be another method in our armamentarium for differential diagnosis of vascular malformations.

Adolescent↗