• Pure iterative reconstruction improves image quality in computed tomography of the abdomen and pelvis acquired at substantially reduced radiation doses in patients with active Crohn disease 

  McLaughlin, Patrick D.; Murphy, Kevin P.; Twomey, Maria; O'Neill, Siobhan B.; Moloney, Fiachra; O'Connor, Owen J.; O'Regan, Kevin; McSweeney, Sean; McGarrigle, Anne Marie; Moore, Niamh; Bye, Jackie; Shanahan, Fergus; Maher, Michael M. (Lippincott, Williams & Wilkins, 2016-03)

  Objective: We assessed diagnostic accuracy and image quality of modified protocol (MP) computed tomography (CT) of the abdomen and pelvis reconstructed using pure iterative reconstruction (IR) in patients with Crohn disease ...
• Imaging of ischemia, obstruction and infection in the abdomen 

  Murphy, Kevin P.; Twomey, Maria; McLaughlin, Patrick D.; O'Connor, Owen J.; Maher, Michael M. (Elsevier, 2015-06-02)

  Intestinal ischemia is a serious condition that continues to be associated with mortalities in excess of 70%. Intestinal obstruction and gastrointestinal tract sepsis are common conditions, accounting for a large proportion ...
• Palliative gastrostomy in the setting of voluminous ascites 

  O'Connor, Owen J.; Diver, Elizabeth; McDermott, Shaunagh; Covarrubias, Diego A.; Shelly, Martin J.; Growdon, Whitfield; Hahn, Peter F.; Mueller, Peter R. (Mary Ann Liebert Inc., 2014-07-03)

  Objective: We report the indications, methods, and complications of percutaneous gastrostomy/gastrojejunostomy (G/GJ) in patients with voluminous ascites. Methods: Following institutional review board approval, 69 patients ...
• Perplexing plain abdominal x-ray. 

  Crush, Lee; O'Connor, Owen J.; Plant, William D.; Clarkson, Michael R.; Shanahan, Fergus; Maher, Michael M. (BMJ Publishing Group, 2011-02)

  Editor's quiz: GI snapshot: Clinical presentation
• Optimizing parameters of an open-source airway segmentation algorithm using different CT images. 

  Nardelli, Pietro; Khan, Kashi A.; Corvo, Alberto; Moore, Niamh; Murphy, Mary J.; Twomey, Maria; O'Connor, Owen J.; Kennedy, Marcus P.; Estepar, Raul San Jose; Maher, Michael M.; Cantillon-Murphy, Pádraig (BioMed Central, 2015-06-26)

  Background: Computed tomography (CT) helps physicians locate and diagnose pathological conditions. In some conditions, having an airway segmentation method which facilitates reconstruction of the airway from chest CT images ...

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