Clinical Imaging 48 (2018) 90–105 Contents lists available at ScienceDirect Clinical Imaging journal homepage: www.elsevier.com/locate/clinimag Mimics of acute appendicitis—Alternative diagnoses at sonography, CT, and MRI; speciﬁc imaging ﬁndings that can help in diﬀerential diagnosis Huseyin Toprak, Temel Fatih Yilmaz, Seyma Yildiz , Ihsan Turkmen, Serpil Kurtcan Department of Radiology, Bezmialem Vakif University, Istanbul, Turkey 1. Introduction echogenicity of periappendiceal fat and hypervascularity of the ap- pendix wall on color Doppler sonography are additional radiological Acute right lower quadrant abdominal (RLQ) pain is one of the most ﬁndings [6,8]. When the appendix is ﬁlled with air and measured less common causes of presentation to emergency department. In most pa- than 9 mm in diameter, it should be considered as normal on CT tients presenting with acute right lower quadrant pain, acute appen- [10,11].CT ﬁndings of acute appendicitis include distended appendix, dicitis needs to be excluded, especially in male patients. However, a more than 6 mm; periappendiceal fatty stranding and inﬁltration; ap- broad spectrum of pathologies may mimic acute appendicitis both pendiceal wall enhancement or thickening; presence of appendicolith; clinically and on imaging ﬁndings [1–5]. Therefore, to make a diﬀer- cecal apical wall thickening compared with the normal thickness of the
Clinical Imaging – Elsevier
Published: Mar 1, 2018
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