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Society for Pediatric Radiology – Poster Archive


Simone Sala

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Showing 2 Abstracts.

Wandering liver (WL) is a rare entity consisting of excessive mobility of the liver due to irregular hepatic fixation. We report a case of WL in a 3-year-old girl, who was referred to our department with acute abdominal pain and recurrent episodes of vomiting. Laboratory tests showed only leukocytosis. In order to define possible causes of acute abdomen an US scan of the abdomen was performed which revealed a left-sided liver, confirmed by abdominal X-ray that showed hyperlucent right upper quadrant by the presence of bowel air (Fig. 1); the hepatic shadow was seen in the midline left abdomen. As patient symptoms persisted, 24 hours after the admission a new abdominal X-ray and US scan were performed; return of the liver in normal right position was observed. Barium X-rays of the gastrointestinal tract excluded a congenital malrotation. A supine abdominal CT showed the liver normally occupying the right hypochondrium (Fig. 2); subsequently, left decubitus CT scan showed hepatic migration across the midline to the left (Fig. 3). The patient's symptoms resolved in the next few hours so she was conservatively managed and was discharged a few days later. The first documented case of wandering liver was presented by Heister in 1754 and few cases have been described ever since. The clinical presentation of wandering liver is variable and non specific. WL is often an asymptomatic condition diagnosed incidentally, although in more than 75% of cases colonic obstruction coexists. It has been reported that the cause of wandering liver is related to abnormalities of the suspensory apparatus of the liver. Such abnormalities permit excessive mobility of the liver in the transverse plane. Surgical treatment is usually reserved for symptomatic patients. In our case the patient was managed conservatively due to the lack of evidence of intestinal obstruction and the prompt relief of the symptoms, probably favored by the supine position for an extended period and return of the liver in the right abdomen. Detection of WL is difficult but it is essential in order to avoid misdiagnosis and unnecessary imaging procedures. In our experience any evidence of abnormal positioning of the liver should be investigated with serial imaging in the lateral decubitus position, mainly in children with unexplained causes of abdominal pain. Read More

Meeting name: IPR 2016 Conjoint Meeting & Exhibition , 2016

Authors: Sala Simone, Raimondi Edoardo, Albieri Caterina, Cirillo Marco

Keywords: wandering liver

The incidence of upper genitourinary anomalies in children has been reported up to 4-6% and the association of cryptorchidism, hypospadias, double collecting system or fused kidney with Wilms’ tumor is well known. Horseshoe kidney is a rare anomaly of fusion occurring between 4<sup>th</sup> and 6<sup>th</sup> weeks of gestation. The association of Wilms’ tumor with horseshoe kidney is uncommon, with limited cases described. The incidence varies from 0.4% to 0.9% of all Wilms’ tumor. Rare variants of Wilms’ tumor like extrarenal teratoid tumor have also been described in children with horseshoe kidney. We describe two cases of Wilms’ tumor arising from horseshoe kidney, detected on US and later confirmed on CE-CT with low-dose imaging protocol. Both cases underwent surgical resection of the abnormal kidney and the diagnosis of Wilms’tumor was confirmed on microscopic examination of the excised tumor. In presence of kidney abonormalities imaging surveillance and follow-up evaluation is mandatory in order to grant an early detection of neoplastic evolution. In our experience, multislice CT allows complete preoperative evaluation of this rare condition mainly using multiplanar reconstructions and may facilitate surgery. Read More

Meeting name: IPR 2016 Conjoint Meeting & Exhibition , 2016

Authors: Sala Simone, Cirillo Marco, Raimondi Edoardo, Bassi Matteo

Keywords: wilms, horseshoe kidney