Characterization of Spiculation on Ultrasound Lesions

Sheng-Fang Huang, Ruey Feng Chang, Dar Ren Chen, Woo Kyung Moon

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Spiculation is a stellate distortion caused by the intrusion of breast cancer into surrounding tissue. Its existence is an important clue to characterizing malignant tumors. Many successful mammographic methods have been proposed to detect tumors with spiculation. Traditional two-dimensional (2-D) ultrasound cannot easily find spiculations because spiculations normally appear parallel to the surface of the skin. Recently, three-dimensional (3-D) ultrasound has been gradually used in clinical applications and it has been proven to be useful in determining the architectural distortion or spiculation that surrounds a breast tumor. This paper aims to identify spiculation from 3-D ultrasonic volume data of a tumor found by a physician. In the proposed method, each coronal slice of volume data is successively extracted and then analyzed as a 2-D ultrasound image by the proposed spiculation detection method. First, in each horizontal slice, the modified rotating structuring element (ROSE) operation is used to find the central region in which spiculation lines converge. Second, the stick algorithm is used to estimate the direction of the edge of each pixel around the central region. A pixel whose edge points toward the central region is marked as a potential spiculation. Finally, the marked pixels are collected around the central region and their distribution is analyzed to determine whether spiculation is present. The 3-D test datasets were obtained using the Voluson 530 or 730, Kretztechnik, Austria. First, the proposed method was tested on 104 2-D typical coronal images (selected by an experienced physician) extracted from 52 3-D ultrasonic datasets. Finally, 225 3-D pathologically proven datasets were tested to evaluate the performance. Spiculations are more easily observed in the coronal view than in the other two views. That is, the 3-D ultrasound is a powerful tool for identifying spiculations. Furthermore, 16% (19/120) of benign cases and 90% (94/105) of malignant cases are detected as spiculations.

Original languageEnglish
Pages (from-to)111-121
Number of pages11
JournalIEEE Transactions on Medical Imaging
Volume23
Issue number1
DOIs
Publication statusPublished - 2004 Jan 1

Fingerprint

Ultrasonics
Tumors
Pixels
Breast Neoplasms
Physicians
Neoplasms
Austria
Skin
Tissue
Datasets

All Science Journal Classification (ASJC) codes

  • Software
  • Radiological and Ultrasound Technology
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Huang, Sheng-Fang ; Chang, Ruey Feng ; Chen, Dar Ren ; Moon, Woo Kyung. / Characterization of Spiculation on Ultrasound Lesions. In: IEEE Transactions on Medical Imaging. 2004 ; Vol. 23, No. 1. pp. 111-121.
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Characterization of Spiculation on Ultrasound Lesions. / Huang, Sheng-Fang; Chang, Ruey Feng; Chen, Dar Ren; Moon, Woo Kyung.

In: IEEE Transactions on Medical Imaging, Vol. 23, No. 1, 01.01.2004, p. 111-121.

Research output: Contribution to journalArticle

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