Nontraumatic Thoracic Emergencies

  http://www.radiologysource.org/periodicals/medima/article/S0033-8389(05)00176-4/abstract Jean Jeudy, MD ; Stephen Waite, MD ; Charles S. White, MD Acute chest pain is one of the most common complaints of patients who present to an emergency department, and accounts for up to 5% of all visits. It also is one of the most complex issues in an emergency setting because,…

Read More

Transperineal and Transvaginal Sonography of Perianal Inflammatory Disease

Transperineal and Transvaginal Sonography of Perianal Inflammatory Disease http://www.ajronline.org/cgi/content/full/177/3/627 Lori K. Stewart ; Joan McGee ; Stephanie R. Wilson OBJECTIVE: Perianal infection arises in small intersphincteric anal glands predominantly located at the dentate line. Documentation of fluid collections and the relationship of inflammatory tracts to the sphincter mechanism is important for surgical treatment. Transanal sonography for…

Read More

Simplified Approach to Umbilical Remnant

http://radiographics.rsna.org/content/11/1/59.full.pdf David J. DiSantis, MD ; Marilyn J. Siegel, MD ; Michael E. Katz, MD To facilitate an understanding of abnormalities related to the umbilical remnants, the authors present a simplified classification scheme on the basis of embryologic anatomic relationships. In a type 1 remnant, the entire duct (vitelline or urachus) is patent; in type…

Read More

Multidetector CT Evaluation of Abdominal Trauma

http://www.radiologic.theclinics.com/article/PIIS0033838905001284/abstract Lisa A. Miller ; K. Shanmuganathan, MD Since the 1980s, CT has emerged as the imaging modality of choice to evaluate the hemodynamically stable patient with blunt trauma [1–3]. Many patients admitted to a trauma center have multisystem injuries sustained from high velocity trauma, most commonly a motor vehicle collision. As many as 68%…

Read More

MR Evaluation of Acute Abdominal Pain in Pregnant Patients

http://www.appliedradiology.com/Article.aspx?id=13583 Gregory Wolfe, MD ; Aytekin Oto, MD The evaluation of abdominal pain in the pregnant patient is complicated by the physical changes in pregnancy as well as by the need to avoid fetal radiation exposure. While ultrasound is the preferred initial imaging study, some conditions require alternative imaging. This article presents a review of…

Read More

Mesenteric Lymph Nodes Seen at Imaging: Causes and Significance

http://radiographics.rsna.org/content/25/2/351.full Brian C. Lucey ; Joshua W. Stuhlfaut ; Jorge A. Soto With the advent of multidetector computed tomography, routine evaluation of mesenteric lymph nodes is now possible. For the first time, normal mesenteric nodes may be reliably identified noninvasively. Because of the increasing volume of cross-sectional imaging examinations being performed, lymph nodes in the…

Read More

Mesenteric Lymph Nodes- Detection and Significance on MDCT

http://www.ajronline.org/cgi/content/full/184/1/41 Brian C. Lucey ; Joshua W. Stuhlfaut ; Jorge A. Soto OBJECTIVE: Unsuspected mesenteric lymph nodes are frequently found on abdominal CT scans in everyday clinical practice. What to do with these findings has not been well established. The purpose of this study is to document the incidence of mesenteric lymph nodes in a previously…

Read More

Mesenteric Adenitis: CT Diagnosis of Primary Versus Secondary Causes

http://www.ajronline.org/cgi/content/full/178/4/853 Michael Macari ; John Hines ; Emil Balthazar ; Alec Megibow OBJECTIVE: Our objective was to determine the clinical significance of mesenteric adentitis when detected on CT. MATERIALS AND METHODS: Mesenteric adenitis was considered present if a cluster of three or more lymph nodes measuring 5 mm or greater each was present in the right lower…

Read More

MDCT of Patients with Acute Abdominal Pain

http://www.ajronline.org/cgi/content/full/183/4/899 Erik K. Paulson ; Tracy A. Jaffe ; John Thomas ; John P. Harris ; Rendon C. Nelson Numerous studies indicate that CT, when combined with careful physical examination and evaluation of laboratory results, provides useful diagnostic information in patients with an acute abdomen [1–4]. As a result, CT is increasingly used in the…

Read More

Internal Hernia: Clinical and Imaging Findings in 17 Patients

http://radiology.rsna.org/content/218/1/68.full Arye Blachar, MD ; Michael P. Federle, MD ; S. Forrest Dodson, MD PURPOSE: To review the clinical and radiologic features of internal hernia and to derive useful radiographic and CT criteria to assist in diagnosis. MATERIALS AND METHODS: Retrospective review of medical records revealed 17 patients with surgically proved internal hernia (three paraduodenal, 14 transmesenteric)…

Read More