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Doppler sonography of the normal lacrimal gland
(Wiley, 2005) Bilgili, Yasemin; Taner, Pelin; Ünal, Birsen; Simsir, İlknur; Kara, Simay Altan; Bayram, Merih; Alıcıoğlu, Banu
Purpose. We used Doppler sonography to determine the resistance index (RI) and pulsatility index (PI) of the normal lacrimal artery (LA) in both females and males. We also compared the values obtained at various periods of reproductive life. Methods. The study was performed in 25 prepubertal girls, 28 females of reproductive age, and 27 postmenopausal women, 23 pregnant women, and 104 healthy males. Doppler sonography was used to determine the RI and PI of the LA. Results. The mean PI for the entire patient population was 1.48 +/- 0.60 and the RI was 0.72 +/- 0.09. The RI and PI values of the LA did not differ between males and females. Similarly, the mean RI and PI values of the LA did not change significantly between the various reproductive phases. Conclusion. The PI and Rl of the lacrimal gland are similar in both sexes. Moreover, they are not altered by changes in levels of sex steroids. (c) 2005 Wiley Periodicals, Inc. J Clin Ultrasound 33:123-126, 2005; Published online in Wiley InterScience (www.interscience.wiley.com).