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1.  Pictorial review of normal postoperative cross-sectional imaging findings and infectious complications following laparoscopic appendectomy 
Insights into Imaging  2014;6(1):65-72.
Laparoscopic appendectomy is increasingly accepted as the preferred surgical treatment for acute appendicitis and represents one of the most common emergency operations performed in both adult and paediatric populations. However, in patients with perforated appendicitis laparoscopy is associated with an increased incidence of postoperative intraabdominal infections compared to open appendectomy. Nowadays urgent imaging is commonly requested by surgeons when postoperative complications are suspected. Due to the widespread use of laparoscopy, in hospitals with active surgical practices clinicians and radiologists are increasingly faced with suspected postappendectomy complications. This pictorial essay illustrates the normal cross-sectional imaging findings observed shortly after laparoscopic appendectomy and the spectrum of appearances of iatrogenic intraabdominal infections observed in adults and adolescents, aiming to provide radiologists with an increased familiarity with early postoperative imaging. Emphasis is placed on the role of multidetector CT, which according to the most recent World Society of Emergency Surgery (WSES) guidelines is the preferred and most accurate modality to promptly investigate suspected intraabdominal infections and highly helpful for correct therapeutic choice, particularly to identify those occurrences that require in-hospital treatment, drainage or surgical reintervention. In teenagers and young adults MRI represents an attractive alternative modality to detect or exclude iatrogenic abscesses without ionising radiation.
Teaching points
• Laparoscopic appendectomy is the preferred surgical treatment for uncomplicated acute appendicitis
• In perforated appendicitis laparoscopy results in increased incidence of intraabdominal infections
• Multidetector CT promptly assesses suspected iatrogenic intraabdominal infections
• Interpretation of early postoperative CT requires knowledge of normal postsurgical imaging findings
• Postsurgical infections include right-sided peritonitis, intraabdominal, pelvic or liver abscesses
doi:10.1007/s13244-014-0369-6
PMCID: PMC4330234  PMID: 25431189
Appendectomy; Laparoscopic surgery; Acute appendicitis; Infectious complications; Abscess; Computed tomography (CT); Magnetic resonance imaging (MRI)
2.  Mycotic visceral aneurysm complicating infectious endocarditis: Imaging diagnosis and follow-up 
One of the rarest complications of endocarditis, infected (mycotic) aneurysms result from haematogenous dissemination of septic emboli and occur more frequently in patients with cardiac valvular abnormalities or prosthetic valves, intravenous drug abuse, diabetes and immunosuppression conditions such as HIV infection. Although often clinically unsuspected, mycotic aneurysms are potentially life-threatening because of disseminated sepsis and propensity to rupture. Contrast-enhanced multidetector CT provides prompt detection, characterization and vascular mapping of these lesions, allowing correct planning of surgical or interventional therapies and reproducible follow-up. Because of their characteristically unpredictable behaviour, mycotic aneurysms may undergo spontaneous thrombosis, size reduction, rapid enlargement or rupture, therefore strict imaging surveillance with CT and/or color Doppler ultrasound is necessary.
doi:10.4103/0974-2700.96501
PMCID: PMC3391851  PMID: 22787357
Endocarditis; mesenteric artery; mycotic aneurysm; sepsis; visceral aneurysm

Results 1-2 (2)