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Journal Cover   Acta Radiologica Short Reports
  [1 followers]  Follow
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2047-9816 - ISSN (Online) 2047-9816
   Published by Sage Publications Homepage  [814 journals]
  • Correlative imaging of cystic lymphangiomas: ultrasound, CT and MRI

    • Authors: Romeo, V; Maurea, S, Mainenti, P. P, Camera, L, Aprea, G, Cozzolino, I, Salvatore, M.
      Pages: 2047981614 - 2047981614
      Abstract: Background Cystic lymphangioma is a rare benign lesion derived from the detachment of the lymph sacs from venous drainage systems; the treatment of choice is a surgical excision and the final diagnosis is of histological type. Purpose To compare the results of ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) in patients with cystic lymphangioma to clearly evaluate the anatomic as well as the structural lesion features necessary for differential diagnosis and for the patient treatment planning. Material and Methods We analyzed the imaging results of six patients admitted in our department to evaluate cyst-like tumor masses clinically palpable or detected by US. All the patients underwent US, CT, and MRI. The pathology reports demonstrated a mesenterial cystic lymphangioma in five cases underwent surgical resection and in the last case a chest cystic lymphangioma underwent a fine needle aspiration biopsy (FNAB). Results In all the cases, the results of US, CT, and MRI were concordant showing cyst-like tumor masses in the abdomen (n = 5) and chest (n = 1) ranging in size from 3.5 to 15 cm. Conclusion According to our experience, we suggest that the appropriate diagnostic imaging protocol in patients with cystic lymphangioma should initially include the US study and followed by a MRI scan with contrast administration. CT should be avoided because of radiation exposure. US and MRI may also be useful in the follow-up of patients who refuse surgical resection or in whom surgery is contraindicated or postponed as well as to early detect a possible disease relapse.
      PubDate: 2015-05-18T05:13:04-07:00
      DOI: 10.1177/2047981614564911
      Issue No: Vol. 4, No. 5 (2015)
  • Non-contrast-enhanced MR portography and hepatic venography with
           time-spatial labeling inversion pulses: comparison at 1.5 Tesla and 3

    • Authors: Ohno, T; Isoda, H, Furuta, A, Togashi, K.
      Pages: 2058460115 - 2058460115
      Abstract: Background A 3 Tesla (3 T) magnetic resonance (MR) scanner is a promising tool for upper abdominal MR angiography. However, there is no report focused on the image quality of non-contrast-enhanced MR portography and hepatic venography at 3 T. Purpose To compare and evaluate images of non-contrast-enhanced MR portography and hepatic venography with time-spatial labeling inversion pulses (Time-SLIP) at 1.5 Tesla (1.5 T) and 3 T. Material and Methods Twenty-five healthy volunteers were examined using respiratory-triggered three-dimensional balanced steady-state free-precession (bSSFP) with Time-SLIP. For portography, we used one tagging pulse (selective inversion recovery) and one non-selective inversion recovery pulse; for venography, two tagging pulses were used. The relative signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were quantified, and the quality of visualization was evaluated. Results The CNRs of the main portal vein, right portal vein, and left portal vein at 3 T were better than at 1.5 T. The image quality scores for the portal branches of segment 4, 5, and 8 were significantly higher at 3 T than at 1.5 T. The CNR of the right hepatic vein (RHV) at 3 T was significantly lower than at 1.5 T. The image quality scores of RHV and the middle hepatic vein were higher at 1.5 T than at 3 T. For RHV visualization, the difference was statistically significant. Conclusion Non-contrast-enhanced MR portography with Time-SLIP at 3 T significantly improved visualization of the peripheral branch in healthy volunteers compared with1.5 T. Non-contrast-enhanced MR hepatic venography at 1.5 T was better than at 3 T.
      PubDate: 2015-05-18T03:58:19-07:00
      DOI: 10.1177/2058460115584110
      Issue No: Vol. 4, No. 5 (2015)
  • Concurrent biliary drainage and portal vein embolization in preparation
           for extended hepatectomy in patients with biliary cancer

    • Authors: Nilsson, J; Eriksson, S, Norgaard Larsen, P, Keussen, I, Christiansen Frevert, S, Lindell, G, Sturesson, C.
      Pages: 2058460115 - 2058460115
      Abstract: Background Patients with perihilar cholangiocarcinoma and gallbladder cancer extending into the hilum often present with jaundice and a small future liver remnant (FLR). If resectable, preoperative biliary drainage and portal vein embolization (PVE) are indicated. Classically, these measures have been performed sequentially, separated by 4–6 weeks. Purpose To report on a new regime where percutaneous transhepatic biliary drainage (PTBD) and PVE are performed simultaneously, shortening the preoperative process. Material and Methods Six patients were treated with concurrent PTBD and PVE under general anesthesia. Results Surgical exploration followed the combined procedure after 35 days (range, 28–51 days). The FLR ratio increased from 22% to 32%. Three patients developed cholangitis after the procedure. Conclusion The combined approach of PTBD and PVE seems feasible, but more studies on morbidity are warranted.
      PubDate: 2015-05-15T02:20:24-07:00
      DOI: 10.1177/2058460115579121
      Issue No: Vol. 4, No. 5 (2015)
  • Cortical desmoids in adolescent top-level athletes

    • Authors: Tscholl, P. M; Biedert, R. M, Gal, I.
      Pages: 2058460115 - 2058460115
      Abstract: Two adolescent, highly active athletes are presented with unspecific symptoms of anterior knee pain. Conventional radiographs and magnetic resonance imaging (MRI) showed a suspicious but pathognomonic cortical irregularity of the dorsal, medial femoral condyle. Cortical desmoid is one of the most common incidental osseous findings on conventional radiographs and MRI of the knee. It often needs no follow-up examination in asymptomatic patients. Malignancy needs however to be ruled out.
      PubDate: 2015-05-14T03:35:09-07:00
      DOI: 10.1177/2058460115580878
      Issue No: Vol. 4, No. 5 (2015)
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