Ultrasonographic texture characterization of salivary and neck masses using two-dimensional gray-scale clustering

To evaluate the clinical usefulness of texture analysis in ultrasonography (US) of head and neck masses. Sixty-one cases with salivary or neck masses were examined by US with a linear 7.5MHz array. Images were digitized and quantitatively evaluated by two-dimensional gray-scale clustering using two...

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Bibliographic Details
Published in:Dento-maxillo-facial radiology 1997-11, Vol.26 (6), p.332-336
Main Authors: Yoshiura, K, Miwa, K, Yuasa, K, Tokumori, K, Kanda, S, Higuchi, Y, Shinohara, M
Format: Article
Language:English
Subjects:
Dentistry
Diagnosis, Differential
Female
Head and Neck Neoplasms - diagnostic imaging
Humans
Image Processing, Computer-Assisted - instrumentation
Image Processing, Computer-Assisted - methods
Lymph Nodes - diagnostic imaging
Lymphatic Metastasis
Male
Microcomputers
Middle Aged
Neck - diagnostic imaging
Salivary Gland Neoplasms - diagnostic imaging
Salivary Glands - diagnostic imaging
Ultrasonography - instrumentation
Ultrasonography - methods
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Summary:To evaluate the clinical usefulness of texture analysis in ultrasonography (US) of head and neck masses. Sixty-one cases with salivary or neck masses were examined by US with a linear 7.5MHz array. Images were digitized and quantitatively evaluated by two-dimensional gray-scale clustering using two texture indices, M and SD, as measures of coarseness and homogeneity respectively. Coarseness of Warthin's tumors was significantly higher than that of the other salivary tumors. Malignant lymphomas had finer texture values than other lymph node lesions. Quantitative texture analysis appears to be a useful complement in diagnostic US.
ISSN:0250-832X
1476-542X
DOI:10.1038/sj.dmfr.4600295