Uluslar Arası Bildiriler

1- Işık S, Özdemir H, Ilgıt ET, Köker E, Buyan N, Ezer Ü.
Intestinal ultrasonographic findings in Henoch-Schonlein Sendrome.
Mediterrannean and African Society Ultrasound, III International Congress on Medical Ultrasound and International Refresher Courses, April 12-15, 1992, İstanbul, Turkey.

2- Işık S, Özdemir H, Atilla S, Ilgıt ET, Araç M, Köker E.
Parasternal sonography of the internal mammary lymphatics in breast cancer and CT correlation.
Mediterrannean and African Society Ultrasound, III International Congress on Medical Ultrasound and International Refresher Courses, April 12-15, 1992, İstanbul, Turkey.

3- Buyan N, Özdemir H, Hasanoğlu E, Ezer Ü.
The importance of ultrasonography in the diagnosis of Henoch-Schonlein Syndrome.
World Congress of Pediatrics, September 6-10, 1992, Rio de Janerio, Brasil.
4- Işık S, Özdemir H, Ilgıt ET, Vural M, Yücel C, Köker E, Çakır N, Ilgin N.
Ultrasonographically guided percutaneous ethanol injection for the treatment of autonomous thyroid nodules.
8th European Congress of Radiology, September 12-17 1993, Vienna, Austria.
5- Işık S, Atilla S, Araç M, Akpek S, Özdemir H, Ilgıt ET, Köker E.
HRCT evaluation of congenital external auditory canal atresias.
8th European Congress of Radiology, September 12-17 1993, Vienna, Austria.
6- Işık S, Özdemir H, Yücel C, Vural M, Avcıoğlu Ü, Aytekin C, Önal B, Ataman A.
Endoscopic ultrasonography in the diagnosis and staging of gastric cancer and lymphoma.
9th European Congress of Radiology, March 5-10 1995, Vienna, Austria.
7- Özdemir H, Köse S, Öznur İ, Işık S, Köker E.
The use of color Doppler flow imaging and acceleration index in the diagnosis of breast cancer.
9th European Congress of Radiology, March 5-10 1995, Vienna, Austria.
8- Özdemir H, Atilla H, Atilla S, Işık S, Zilelioğlu G.
Ocular manifestations of Behçet’s disease: Color Doppler flow imaging findings.
9th European Congress of Radiology, March 5-10 1995, Vienna, Austria.
9- Özdemir H, Atilla H, Atilla S, Işık S, Zilelioğlu G.
Ocular manifestations of Behçet’s disease: color Doppler flow imaging findings.
95th American Roentgen Ray Society(ARRS 95) 30 April- 5 May 1995, Washington, USA.
10- Atilla H, Özdemir H, Atilla S, Işık S, Zilelioğlu G.
Color Doppler ultrasonography in uveitis.
Xth Congress European Society of Ophthalmology, June 25-29, 1995, Milano, Italy.
11- Can D, Özkan SB, Özdemir H, Atilla S, Söylev MF, Duman S.
Colour Doppler imaging of superior ophthalmic vein in thyroid associated eye disease.
22nd Meeting of the European Strabismological Association, 6-8 September, 1995, Cambridge, England.
12- Özdemir H, Ilgıt E, Yücel C, Işık S, Çakır N, İlgin N.
Sonographically guided percutaneous injection of ethanol in treatment of autonomous thyroid nodules: long-term follow-up results.
81 st Scientific Assembly and Annual meeting of the Radiological Society of North America, November 1995, Chicago, USA.
13- Özdemir H, Ataman A, Özsunar Y, Turgut T, Değer E, Avcıoğlu Ü, Işık S.
The value of endoscopic ultrasonography in the diagnosis and staging of gastric cancer and lymphoma.
40th Annual Meeting of AUIM 17-20 March, 1996, New York, USA.
14- Özdemir H, Köse S, Tokgöz N, Işık S.
Microcalcifications: the value of color Doppler sonography and acceleration index in the differential diagnosis.
96 th annual meeting of the American Roentgen Ray Society, 5-10 May 1996, San Diego, USA.
15- Köybaşıoğlu A, İleri F, Özdemir H, İnal E, Uzluer N, Cakmakcı E, Yılmaz M.
Internal jugular vein patency following selective neck dissection in the early period.
3rd European Congress of the European Federation of Oto-Rhino-Laryngological Societies, June 9-14 1996, Budapest, Hungary.
16- Işık S, Özdemir H, Tokgöz N, Özhan S, Aşık E, Özdemir A.
Breast microcalcifications:The value of color Doppler sonography and acceleration index in the differential diagnosis.
10th European Congress of Radiology, March 2-7, 1997, Vienna, Austria.
17- Özdemir H, Ilgıt ET, Yücel C, Çakır N, Gökçora N, Işık S.
Sonographically guided percutaneous injection of ethanol in treatment of autonomous thyroid nodules.long term follow-up results.
41st American Institute of Ultrasound in Medicine Annual Convention March 23-26, 1997, San Diego, USA.
18- Özdemir H, Özbek E, Pamuklar E, Kılıç K, Coşar S, Yücel S, Işık S.
Value of Echogen-enhanced power and color Doppler sonography in differentiating liver tumors.
11th European Congress of Radiology, March 7-12, 1999, Vienna, Austria.
19- Özdemir H, Özbek E, Pamuklar E, Kılıç K, Coşar S, Yücel S, Işık S.
Value of Echogen-enhanced power and color Doppler sonography in differentiating liver tumors.
43rd American Institute of Ultrasound in Medicine Annual Convention March 14-17, 1999, San Antonio, USA.
20- Kapucu ÖL., Özdemir H., Abamor E., Erbaş G., Özkaya O., Aktaş UO., Yücel C., Söylemezoğlu O.
The value of power Doppler ultrasonography in the detection and follow-up of children with acute pyelonephritis:Comparison with 99m-Tc DMSA scintigraphy.
Proceedings of the 47th Annual Meeting of SNM, June 3-7, 1999, St.Louis, USA.
21- Yücel C., Özdemir H., Aşık E., Öner Y., Işık S. ECR 2000.
The benefits of tissue harmonic imaging in the evaluation of abdominopelvic lesions.
12th European Congress of Radiology, March 5-10, 2000, Vienna, Austria.
22- Abamor E., Kapucu ÖL., Özdemir H., Erbaş G., Özkaya O., Yücel C., Söylemezoğlu O.
Power Doppler USG versus DMSA in children with acute pyelonephritis.
Congress of the European Association of Nuclear Medicine, 2-6 September 2000, Paris, France.
23- Abamor E., Kapucu ÖL., Özdemir H., Erbaş G., Özkaya O., Yücel C., Söylemezoğlu O.
A new method:Power Doppler USG in the detection of acute pyelonephritis versus DMSA.
The VIIth Asia and Oceania Congress of Nuclear Medicine and Biology & The IV International Congress of Nuclear Oncology, 1-5 October 2000, İstanbul, Turkey
24- Özdemir H, Erbaş G, Kapucu ÖL, Abamor E., Yücel C, Özkaya O, Söylemezoğlu O.
Value of contrast-enhanced power Doppler sonography (PDUS) in childhood pyelonephritis: Comparision with PDUS and renal cortical scintigraphy
45th AIUM Annual Convention . March 11-14, 2001,
Orlando,USA
25- Yücel C, Özdemir H, Gürel S, Özer Ş, Araç M.
Pulse inversion harmonic imaging: Hepatic lesion
detection and characterization during the liver specific
late phase of Levovist
14th European Congress of Radiology, March 1-5, 2002, 
Vienna, Austria.

26- Özdemir A, Kılıç K, Yücel C, Özdemir H, Andaç S, Çolak M.
Role of contrast-enhanced power Doppler ultrasound in
the differentiation of breast lesions
14th European Congress of Radiology, March 1-5, 2002,
Vienna, Austria.

27- Çelik H., Özdemir H., Yücel C., Gültekin S., Oktar S.O., Araç M.
Characterization of hyperechogenic focal liver lesions: Quantitative evaluation with pulse-inversion harmonic imaging in the late phase of Levovist.
ESGAR 2003, 14th Annual Meeting and Postgraduate Course. June 17-21, 2003, Budapest, Hungary.
28-Yücel C., Gültekin S., Özdemir H., Karadağ Z., Uçar M.,
The role of late-phase pulse inversion harmonic sonography in the detection of occult hepatic metastases.
ESGAR 2003, 14th Annual Meeting and Postgraduate Course. June 17-21, 2003, Budapest, Hungary.
29-Özdemir H, Yücel C, Oktar SÖ, Bursalı A
Value of four-dimensional ultrasound in ultrasonografphically guided biopsy of focal hepatic masses.
ESGAR 2004, 15th Annual Meeting and Postgraduate Course. June 15-18, 2004, Geneva, Switzerland.
30-Yücel C, Özdemir H, Oktar SÖ, Bursalı A, Akınbingöl S, Gümüş T.
Pictorial review:endosonography of the upper gastrointestinal tract- an excellent tool for differential diagnosis and local staging.
ESGAR 2004, 15th Annual Meeting and Postgraduate Course. June 15-18, 2004, Geneva, Switzerland.
31-Yücel C, Özdemir H, Oktar SO, Poyraz A, Bursalı A, Şeker B.
Ultrasound-guided thyroid fine needle aspiration biopsies: a comparison between 2D, 2D-assisted 4D and 4D methods.
CIRSE 2004. 15th Annual Meeting and Postgraduate Course. September 25-29, 2004, Barcelona, SPAIN
32-Yücel C, Oktar SO, Erten Y, Bursalı A, Özdemir H.
B-Flow sonographic evaluation of hemodialysis fistulas: a comparison with low-high PRF color and power Doppler sonography.
RSNA 2004. 90th Scientific Assembly and Annual Meeting. November 28-December 3, 2004, Chicago, USA
33-Oktar S, Yücel C, Karaosmanoğlu D, İlkme A, Erbaş G, Özdemir H. Portomesenteric venous gas: CT and US findings.
ESGAR 2005. 16th Annual Meeting and Postgraduate Course. May 28-31, 2005, Florence, ITALY
34-Gümüş T, Yücel C, Oktar S, Özdemir H, Önal B, Ilgıt E.T.
The comparison of B-flow, color and power Doppler sonography findings with DSA results in the evaluation of carotid artery lesions.
EUROSON 2006. 18th European Congress of Ultrasound in conjunction with XVIII Congreso Nazionale SIUMB. September 15-19, 2006, Bologna, ITALY
35-Eksert F, Yücel C, Özhan Oktar S, Kadıoğlu N, Özdemir H.
Extended field-of-view sonography: Does this technique provide additional information to conventional B-mode images?
ECR 2007. European Congress of Radiology. March 9-13, 2007, Vienna, Austria
36-Yücel C, Özhan Oktar S, Özdemir H.
B-Flow sonography: Indications, clinical benefits, advantages and limitations.
ECR 2007. European Congress of Radiology. March 9-13, 2007, Vienna, Austria