Oral Radyolojide Ultrason Elastografisinin Temel Prensipleri veKlinik Uygulamaları

Ultrason elastografisi, son yıllarda tıbbın pek çok alanında olduğu gibi oral ve maksillofasiyal radyolojide de giderek artan şekilde kullanılmaktadır. Elastografi tekniği, dokudaki elastisite dağılımının incelenmesine, normal doku ve hastalıklı doku arasındaki sertlik farkının karşılaştırılmasına izin verir. Ultrason elastografisi lenf nodlarının değerlendirilmesinde, tükürük bezlerinin ve tiroid bezinin değerlendirilmesinde, vasküler malformasyonlarda, yumuşak doku kistlerinde ve dilin karsinomlarında teşhise yardımcı olarak kullanılır. Ultrason elastografisi genel olarak, deforme edici kuvvete maruz kalan dokulardaki deplasmanın tipine dayanan iki gruba ayrılabilir. Bunlar strain elastografi ve shear-wave elastografi olarak isimlendirilir. Hem strain elastografi hem de shear wave dikkat ve teknik pratik isteyen metodlardır. Bu derlemede, diş hekimleri ve oral radyologlar için, oral ve maksillofasiyal radyolojide ultrason elastografisinin temel prensipleri ve klinik uygulamalarının özetlenmesi amaçlandı.

The Basic Principles and Applications of Ultrasound Elastography in Oral Radiology

Ultrasound elastography has been increasingly used in oral and maxillofacial radiology as in many areas of medicine inrecent years. Elastography technique allows to examine the distribution of elasticity in the tissue and to compare thehardness difference between normal tissue and diseased tissue. Ultrasound elastography is used to assist in the diagnosisof lymph nodes, salivary and thyroid glands, vascular malformations, soft tissue cysts, and carcinomas of the tongue.Ultrasound elastography can generally be divided into two groups based on the type of displacement in tissues exposedto deforming force. These are called strain elastography and shear-wave elastography. Both strain elastography andshear wave are highly dependent on the operator and require attention and technical practice. In this review, we aimedto summarize the basic principles and clinical applications of ultrasound elastography in oral and maxillofacial radiology for dentists and oral radiologists.

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1. Evirgen Ş, Kamburoğlu K. Review on the applications of ultrasonography in dentomaxillofacial region. World journal of radiology. 2016;8:50.
2. Das D, Gupta M, Kaur H, Kalucha A. Elastography: the next step. Journal of oral science. 2011;53:137-41.
3. Garra BS. Imaging and estimation of tissue elasticity by ultrasound. Ultrasound quarterly. 2007;23:255-68.
4. Sarvazyan A, Skovoroda A, Emelianov S, Fowlkes J, Pipe J, Adler R et al. Biophysical bases of elasticity imaging. Acoustical imaging: Springer. 1995:223-40.
5. Ophir J, Cespedes I, Ponnekanti H, Yazdi Y, Li X. Elastography: a quantitative method for imaging the elasticity of biological tissues. Ultrasonic imaging. 1991;13:111-34.
6. Bhatia KS, Lee YY, Yuen EH, Ahuja AT. Ultrasound elastography in the head and neck. Part I. Basic principles and practical aspects. Cancer imaging. 2013;13:253.
7. Sigrist RM, Liau J, El Kaffas A, Chammas MC, Willmann JK. Ultrasound elastography: review of techniques and clinical applications. Theranostics. 2017;7:1303.
8. Muthupillai R, Rossman PJ, Lomas DJ, Greenleaf JF, Riederer SJ, Ehman RL. Magnetic resonance imaging of transverse acoustic strain waves. Magnetic Resonance in Medicine. 1996;36:266-74.
9. Mariappan YK, Glaser KJ, Ehman RL. Magnetic resonance elastography: a review. Clinical anatomy. 2010;23:497-511.
10. Bhatia KS, Lee YY, Yuen EH, Ahuja AT. Ultrasound elastography in the head and neck. Part II. Accuracy for malignancy. Cancer imaging. 2013;13:260.
11. Cosgrove D, Piscaglia F, Bamber J, Bojunga J, Correas J-M, Gilja O et al. EFSUMB guidelines and recommendations on the clinical use of ultrasound elastography. Part 2: Clinical applications. Ultraschall in der Medizin-European Journal of Ultrasound. 2013;34:238-53.
12. Thomas A, Fischer T, Frey H, Ohlinger R, Grunwald S, Blohmer JU et al. Real‐time elastography—an advanced method of ultrasound: first results in 108 patients with breast lesions. Ultrasound in Obstetrics and Gynecology: The Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology. 2006;28:335-40.
13. Ewertsen C, Carlsen J, Perveez MA, Schytz H. Reference values for shear wave elastography of neck and shoulder muscles in healthy individuals. Ultrasound international open. 2018;4:E23-E9.
14. Gennisson J-L, Deffieux T, Fink M, Tanter M. Ultrasound elastography: principles and techniques. Diagnostic and interventional imaging. 2013;94:487-95.
15. Itoh A, Ueno E, Tohno E, Kamma H, Takahashi H, Shiina T et al. Breast disease: clinical application of US elastography for diagnosis. Radiology. 2006;239:341-50.
16. Morikawa H, Fukuda K, Kobayashi S, Fujii H, Iwai S, Enomoto M et al. Real-time tissue elastography as a tool for the noninvasive assessment of liver stiffness in patients with chronic hepatitis C. Journal of gastroenterology. 2011;46:350-8.
17. Lyshchik A, Higashi T, Asato R, Tanaka S, Ito J, Hiraoka M et al. Elastic moduli of thyroid tissues under compression. Ultrasonic imaging. 2005;27:101-10.
18. Park SH, Kim SJ, Kim E-K, Kim MJ, Son EJ, Kwak JY. Interobserver agreement in assessing the sonographic and elastographic features of malignant thyroid nodules. American Journal of Roentgenology. 2009;193:W416-W23.
19. Shiina T, Nightingale KR, Palmeri ML, Hall TJ, Bamber JC, Barr RG et al. WFUMB guidelines and recommendations for clinical use of ultrasound elastography: Part 1: basic principles and terminology. Ultrasound in medicine & biology. 2015;41:1126-47.
20. Barr RG, Ferraioli G, Palmeri ML, Goodman ZD, Garcia-Tsao G, Rubin J et al. Elastography assessment of liver fibrosis: society of radiologists in ultrasound consensus conference statement. Radiology. 2015;276:845-61.
21. Palmeri ML, Nightingale KR. Acoustic radiation force-based elasticity imaging methods. Interface focus. 2011;1:553-64.
22. Friedrich-Rust M, Wunder K, Kriener S, Sotoudeh F, Richter S, Bojunga J et al. Liver fibrosis in viral hepatitis: noninvasive assessment with acoustic radiation force impulse imaging versus transient elastography. Radiology. 2009;252:595-604.
23. Grgurevic I, Bokun T, Pinzani M. Non-Invasive Assesment of Chronic Liver Disease by Two Dimensional Shear Wave Elastography: An Overview. Current Medical Imaging Reviews. 2018;14:163-71.
24. Bercoff J, Tanter M, Fink M. Supersonic shear imaging: a new technique for soft tissue elasticity mapping. IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2004;51:396-409.
25. Rifai K, Cornberg J, Mederacke I, Bahr MJ, Wedemeyer H, Malinski P, et al. Clinical feasibility of liver elastography by acoustic radiation force impulse imaging (ARFI). Digestive and Liver Disease. 2011;43:491-7.
26. Zhang Y-F, Xu H-X, He Y, Liu C, Guo L-H, Liu L-N et al. Virtual touch tissue quantification of acoustic radiation force impulse: a new ultrasound elastic imaging in the diagnosis of thyroid nodules. PloS one. 2012;7:e49094.
27. Veyrieres J-B, Albarel F, Lombard JV, Berbis J, Sebag F, Oliver C et al. A threshold value in Shear Wave elastography to rule out malignant thyroid nodules: a reality? European journal of radiology. 2012;81:3965-72.
28. Szczepanek-Parulska E, Woliński K, Stangierski A, Gurgul E, Biczysko M, Majewski P et al. Comparison of diagnostic value of conventional ultrasonography and shear wave elastography in the prediction of thyroid lesions malignancy. PloS one. 2013;8:e81532.
29. Bhatia K, Tong C, Cho C, Yuen E, Lee J, Ahuja A. Reliability of shear wave ultrasound elastography for neck lesions identified in routine clinical practice. Ultraschall in der Medizin-European Journal of Ultrasound. 2012.
30. Sebag F, Vaillant-Lombard J, Berbis J, Griset V, Henry J, Petit P et al. Shear wave elastography: a new ultrasound imaging mode for the differential diagnosis of benign and malignant thyroid nodules. The Journal of Clinical Endocrinology & Metabolism. 2010;95:5281-8.
31. Choi YJ, Lee JH, Lim HK, Kim SY, Han MW, Cho K-J et al. Quantitative shear wave elastography in the evaluation of metastatic cervical lymph nodes. Ultrasound in medicine & biology. 2013;39:935-40.
32. Shingaki M, Nikkuni Y, Katsura K, Ikeda N, Maruyama S, Takagi R et al. Clinical significance of intraoral strain elastography for diagnosing early stage tongue carcinoma: a preliminary study. Oral Radiology. 2017;33:204-11.
33. Ogura I, Sasaki Y, Sue M, Oda T. Strain elastography of tongue carcinoma using intraoral ultrasonography: a preliminary study to characterize normal tissues and lesions. Imaging science in dentistry. 2018;48:45-9.
34. Asteria C, Giovanardi A, Pizzocaro A, Cozzaglio L, Morabito A, Somalvico F et al. US-elastography in the differential diagnosis of benign and malignant thyroid nodules. Thyroid. 2008;18:523-31.
35. Bhatia KS, Cho CC, Tong CS, Lee YY, Yuen EH, Ahuja AT. Shear wave elastography of focal salivary gland lesions: preliminary experience in a routine head and neck US clinic. European radiology. 2012;22:957-65.
36. Zengel P, Schrötzlmair F, Schwarz F, Paprottka P, Kramer M, Berghaus A et al. Elastography: a new diagnostic tool for evaluation of obstructive diseases of the salivary glands; primary results. Clinical hemorheology and microcirculation. 2012;50:91-9.
37. Taşdemir Z, Etöz M, Köy Ö, Soydan D, Alkan A. Masseter muscle thickness and elasticity in periodontitis. Journal of oral science. 2019:18-0341.
38. Azizi G, Keller J, Lewis M, Puett D, Rivenbark K, Malchoff C. Performance of elastography for the evaluation of thyroid nodules: a prospective study. Thyroid. 2013;23:734-40.