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No. a90250
ARFI of TESTES at MEDIC CENTER
Nguyen Thien Hung, MD, Le Van Tai, MD, Phan Thanh Hai, MD
MEDIC Medical Center, ...
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ARFI showed increasing stiffness of testes in all tumor cases [n=12] and less stiffness in cases of hematoma [03].

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ARFI on Testes @MEDIC CENTER, Nguyen Thien Hung et al

  1. 1. No. a90250 ARFI of TESTES at MEDIC CENTER Nguyen Thien Hung, MD, Le Van Tai, MD, Phan Thanh Hai, MD MEDIC Medical Center, HCMC, VIET NAM PURPOSE Acoustic radiation force impulse imaging (ARFI) is a new technique for the sonographic quantifica- tion of tissue elasticity. We applied ARFI elastography to investigate the stiffness of the normal and pathologic testes. MATERIALS & METHODS Twenty male volunteers underwent normal B-mode sonography with ARFI elastometry of both tes- tes using a Siemens Acuson S2000™ (Siemens Healthcare, Germany) system. And there were 12 cas- es of testicular tumor and 03 cases of hematoma in our study. Results were statistically evaluated. RESULTS - From 40 normal testes of 20 male individuals, mean elastic velocity VTQ = 0.87+/- 0.11m/s (range 0.72-1.12 m/s) (Fig.1) - From 03 cases of hematoma, mean elastic velocity VTQ =1.39+/-0.02m/s (Fig.2). CONCLUSION ARFI elastometry provides the initial values of testicular stiffness in normal and pathologic status. Further studies with more subjects may be required to define the normal range of values for normal and pathologic groups. Figure 1. SWE of a normal testis, V= 0.74m/s Figure 3. Testicular tumor with VTI in black color, more clear appearance than B-mode image and VTQ= 2.02 m/s Figure 2. Hematoma in the upper pole of R. testis (16 days post trauma) DISCUSSION ARFI showed increasing stiffness of testes in all tumor cases and less stiffness in cases of hemato- ma. But number of tumor cases is still small in our report. Further studies with more tumor sub- jects may be required to define the value for testes tumor. References 1.D'Anastasi M, Schneevoigt BS, Trottmann M, Crispin A, Stief C, Reiser MF, Clevert DA. Acoustic radia- tion force impulse imaging of the testes: a preliminary experience. Clin Hemorheol Microcirc. 2011;49(1- 4):105-14. doi: 10.3233/CH-2011-1461 2.Aigner F, De Zordo T, Pallwein-Prettner L, Junker D, Schäfer G, Pichler R, Leonhartsberger N, Pinggera G, Dogra VS, Frauscher F. Real-time sonoelastography for the evaluation of testicular lesions. Radiology. 2012 May;263(2):584-9. doi: 10.1148/radiol.12111732. Epub 2012 Mar 6. Figure 4. Testicular tumor with SWV=1.58m/s and the intact testis with V=0.94m/s - From 12 cases of testicular tumor, mean elastic velocity VTQ = 1.51+/- 0.18 m/s (range 1.26- 1.69m/s) with the meaning more stiffness than normal and hematoma testis. On VTI tumor are harder the parenchyma (black color or blue code) (Fig.3, 4).

ARFI showed increasing stiffness of testes in all tumor cases [n=12] and less stiffness in cases of hematoma [03].

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