منابع مشابه
Sonographic whirlpool sign in ovarian torsion.
OBJECTIVE To describe an additional maneuver during sonography for ovarian torsion and to assess its diagnostic value. METHODS During a period of about 2 years 6 months, 21 patients with acute or intermittent lower abdominal pain who had an ovarian mass and an extraovarian mass suggestive of a twisted vascular pedicle on sonography were studied. The gray scale features of the ovarian mass wer...
متن کاملThe MRI whirlpool sign in the diagnosis of ovarian torsion
Clinical symptoms and signs of ovarian torsion are often nonspecific, and imaging studies have a crucial role in making an accurate timely diagnosis. Ultrasound with color Doppler is often the initial investigation. However, as illustrated in our case, a normal Doppler study cannot exclude the diagnosis of ovarian torsion, and MRI should be performed if a high degree of concern for ovarian tors...
متن کاملSonographic differential diagnosis of acute scrotum: real-time whirlpool sign, a key sign of torsion.
OBJECTIVE The purpose of this study was to prospectively investigate the role of high-resolution and color Doppler sonography in the differential diagnosis of acute scrotum and testicular torsion in particular. METHODS Patients who underwent sonography for acute scrotum between April 2000 and September 2005 were included in the study. Gray scale and color Doppler sonography of the scrotum was...
متن کاملWhirlpool sign in small-bowel volvulus due to a mesenteric cyst.
Received June 14, 2004, from Sonoscan Ultrasonic Scan Centre (S.B.V.) and G. Kuppusamy Naidu Memorial Hospital (V.R.R., G.S.), Coimbatore, India. Revision requested June 24, 2004. Revised manuscript accepted for publication July 6, 2004. Address correspondence and reprint requests to S. Boopathy Vijayaraghavan, MD, DMRD, 16 B Venkatachalam Rd, R. S. Puram, Coimbatore 641 002, India. E-mail: son...
متن کاملCryptanalysis of HMAC/NMAC-Whirlpool
In this paper, we present universal forgery and key recovery attacks on the most popular hash-based MAC constructions, e.g., HMAC and NMAC, instantiated with an AES-like hash function Whirlpool. These attacks work with Whirlpool reduced to 6 out of 10 rounds in single-key setting. To the best of our knowledge, this is the first result on “original” key recovery for HMAC (previous works only suc...
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ژورنال
عنوان ژورنال: Case Reports
سال: 2014
ISSN: 1757-790X
DOI: 10.1136/bcr-2013-202834