| Autor: |
Bhatia KS, Rasalkar DD, Lee YP, Wong KT, King AD, Yuen HY, Ahuja AT, Bhatia, Kunwar S S, Rasalkar, Darshana D, Lee, Yim-Ping, Wong, Ka-Tak, King, Ann D, Yuen, Hok-Yuen, Ahuja, Anil T |
| Zdroj: |
European Radiology; Aug2010, Vol. 20 Issue 8, p1958-1964, 7p |
| Abstrakt: |
Objective: To evaluate qualitative ultrasound elastography for focal salivary gland masses identified during routine clinical practice.Methods: Sixty-five parotid or submandibular masses in 61 patients underwent real-time qualitative ultrasound elastography and were scored on colour-scaled elastograms in terms of their stiffness relative to adjacent normal salivary parenchyma from ES 1 (soft) to ES 4 (stiff). This was correlated with diagnosis from aspiration cytology or histology.Results: There were 29 Warthin's tumours (WTs), 23 pleomorphic adenomas (PAs), 2 adenoid cystic carcinomas, 1 adenosquamous carcinoma, 1 nodal metastasis from nasopharyngeal carcinoma, 1 lymphoma (2 deposits), 3 Kuttner tumours and 4 cases of Kimura's disease. ES scores showed clustering according to pathological condition. In this respect, PAs were firmer than WTs (P < 0.004, Fisher's exact test). Nine, 19, 14 and 17 of the benign masses and 0, 1, 2 and 3 of the malignant masses were ES 1, 2, 3 and 4 respectively. All three primary salivary malignancies were ES 4 compared with 1/29 WTs and 16/23 PAs.Conclusion: These preliminary findings suggest that qualitative real-time ultrasound elastography, although an ancillary technique to conventional ultrasound in the salivary glands, is likely to have a poor ability to discriminate benign lesions (particularly PAs) from malignant disease. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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