TITLE

Pulmonary nodule detection using chest CT images

AUTHOR(S)
Kim, D.-Y.; Kim, J.-H.; Noh, S.-M.; Park, J.-W.
PUB. DATE
May 2003
SOURCE
Acta Radiologica;May2003, Vol. 44 Issue 3, p252
SOURCE TYPE
Academic Journal
DOC. TYPE
journal article
ABSTRACT
Purpose: Automated methods for the detection of pulmonary nodules and nodule volume calculation on CT are described. Material and Methods: Gray-level threshold methods were used to segment the thorax from the background and then the lung parenchyma from the thoracic wall and mediastinum. A deformable model was applied to segment the lung boundaries, and the segmentation results were compared with the thresholding method. The lesions that had high gray values were extracted from the segmented lung parenchyma. The selected lesions included nodules, blood vessels and partial volume effects. The discriminating features such as size, solid shape, average, standard deviation and correlation coefficient of selected lesions were used to distinguish true nodules from pseudolesions. With texture features of true nodules, the contour-following method, which tracks the segmented lung boundaries, was applied to detect juxtapleural nodules that were contiguous to the pleural surface. Volume and circularity calculations were performed for each identified nodule. The identified nodules were sorted in descending order of volume. These methods were applied to 827 image slices of 24 cases. Results: Computer-aided diagnosis gave a nodule detection sensitivity of 96% and no false-positive findings. Conclusion: The computer-aided diagnosis scheme was useful for pulmonary nodule detection and gave characteristics of detected nodules.
ACCESSION #
9741886

 

Related Articles

  • Insertion of virtual pulmonary nodules in CT data of the chest: development of a software tool. Shin, Hoen-oh; Blietz, Matthias; Frericks, Bernd; Baus, Stefan; Savellano, Dagmar; Galanski, Michael // European Radiology;Nov2006, Vol. 16 Issue 11, p2567 

    The purpose of this study was to develop a software tool for the insertion of virtual lung nodules into CT data. Forty software-generated nodules were inserted at random locations and sizes on 20 multi-detector row CT studies of the chest (4 x 1-2.5-mm slice collimation). On each scan, two...

  • Grey-scale inversion improves detection of lung nodules. ROBINSON, J. W.; RYAN, J. I.; McENTEE, M. F.; LEWIS, S. J.; EVANOFF, M. G.; RAINFORD, L. A.; BRENNAN, P. C. // British Journal of Radiology;Jan2013, Vol. 86 Issue 1021, p1 

    Objective: The current study aims to establish whether detection of solitary pulmonary nodules can be improved by inverting the grey scale of posteroanterior (PA) chests. Methods: 30 PA chest images were presented on 2 occasions to 16 senior radiologists on either primary or secondary class...

  • Painful nodules on lower legs.  // Pulse;11/17/2010, Vol. 70 Issue 35, p24 

    The article offers information on the diagnosis of erythema nodusum lesions on a 25-year-old man's nodules on both lower legs.

  • Reddish Nodule on the Hand: A Quiz. Panés-Rodríguez, Adrià; Vildósola-Esturo, Susana; Rodríguez-Pérez, Irene; Tuneu-Valls, Anna; Alcázar-Viladomiu, Elena Del // Acta Dermato-Venereologica;Nov2016, Vol. 96 Issue 7, p1004 

    A quiz concerning the diagnosis for a nodule on the left hand of a 33-year-old man with a history of tenosynovitis is presented.

  • Itchy Papules and Nodules: a Quiz. Riepe, Claudia; Magnolo, Nina; Metze, Dieter; Broekaert, Sigrid; Zeidler, Claudia; Ständer, Sonja // Acta Dermato-Venereologica;Nov2016, Vol. 96 Issue 7, p1004 

    A quiz concerning the diagnosis for itchy nodules and papules on the body surface of a 54-year-old male is presented.

  • ANSWER TO PHOTO QUIZ (SEE PAGE 1380).  // Clinical Infectious Diseases;12/1/1999, Vol. 29 Issue 6, p1559 

    Provides answers to a photo quiz found on page 1380.

  • Nodular hidradenoma of the scalp: A cytomorphological evaluation on fine needle aspiration cytology. Nasit, Jitendra G.; Dhruva, Gauravi // Indian Journal of Dermatology, Venereology & Leprology;Nov/Dec2014, Vol. 80 Issue 6, p569 

    A letter to the editor is presented which discusses the medical case of a 70-year-old man with a slowly growing nodule over his scalp for 10 years and diagnosed as nodular hidradenoma, focusing on the cytomorphological assessment on fine needle aspiration cytology.

  • A working diagnosis. McCue, Jack D.; Bottone, Susan // Cortlandt Forum;3/25/96, Vol. 9 Issue 3, p196 

    Presents a medical case involving a man who was evaluated for a solitary pulmonary nodule. Diagnostic tests include direct laryngoscopy and computerized tomography (CT) scan; Medical history; Tobacco habit; Physical examination; Etiology; Invasive technique for a definitive diagnosis; Chest...

  • Novel gene classifier identifies benign thyroid nodules.  // Endocrine Today;Aug2013, Vol. 12 Issue 8, p18 

    The article reports on the development by researchers of a novel predictive gene assay that accurately and reliably diagnoses benign thyroid nodules and could help identify those patients who do not require surgery.

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics