The combined use of US and MR imaging for the diagnosis of masses in the parotid region

Tazuko K. Goto, Kazunori Yoshiura, E. Nakayama, K. Yuasa, O. Tabata, T. Nakano, Toshiyuki Kawazu, T. Tanaka, K. Miwa, Mayumi Shimizu, Toru Chikui, Kazutoshi Okamura, S. Kanda

Research output: Contribution to journalArticle

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Abstract

Purpose: To evaluate the usefulness of the combination of the two non-invasive modalities US and MR imaging to diagnose masses in the parotid region. Material and Methods: The US and MR findings of 21 patients with parotid masses were analyzed retrospectively by two radiologists without any clinical or histopathological information. The specific points evaluated were location, shape, margin, internal architecture, and intensity level on both US and MR, posterior echo enhancement on US, and capsule-like lining of the tumor on MR. Results: The findings concerning the shape and margin on US and MR were in fairly good agreement. Concerning the findings of the internal architecture, US could reveal the minute structures of the tumor while MR demonstrated differences in the signal intensities of histological tissue types of the various tumors. The posterior echo enhancement on US and the capsule-like lining on MR of the tumors were also useful for the diagnosis. Conclusion: Our results suggest that the combination of US and MR is useful for examining soft tissue masses in the parotid region to make a more accurate diagnosis, and not just differentiate malignant lesions from those which are benign.

Original languageEnglish
Pages (from-to)88-95
Number of pages8
JournalActa Radiologica
Volume42
Issue number1
DOIs
Publication statusPublished - Jan 1 2001

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Parotid Region
Capsules
Neoplasms

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

Cite this

The combined use of US and MR imaging for the diagnosis of masses in the parotid region. / Goto, Tazuko K.; Yoshiura, Kazunori; Nakayama, E.; Yuasa, K.; Tabata, O.; Nakano, T.; Kawazu, Toshiyuki; Tanaka, T.; Miwa, K.; Shimizu, Mayumi; Chikui, Toru; Okamura, Kazutoshi; Kanda, S.

In: Acta Radiologica, Vol. 42, No. 1, 01.01.2001, p. 88-95.

Research output: Contribution to journalArticle

Goto, TK, Yoshiura, K, Nakayama, E, Yuasa, K, Tabata, O, Nakano, T, Kawazu, T, Tanaka, T, Miwa, K, Shimizu, M, Chikui, T, Okamura, K & Kanda, S 2001, 'The combined use of US and MR imaging for the diagnosis of masses in the parotid region', Acta Radiologica, vol. 42, no. 1, pp. 88-95. https://doi.org/10.1080/028418501127346305
Goto, Tazuko K. ; Yoshiura, Kazunori ; Nakayama, E. ; Yuasa, K. ; Tabata, O. ; Nakano, T. ; Kawazu, Toshiyuki ; Tanaka, T. ; Miwa, K. ; Shimizu, Mayumi ; Chikui, Toru ; Okamura, Kazutoshi ; Kanda, S. / The combined use of US and MR imaging for the diagnosis of masses in the parotid region. In: Acta Radiologica. 2001 ; Vol. 42, No. 1. pp. 88-95.
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