We present the case of a 60-year-old man who presented with a left hypochondrial swelling first noticed 4 weeks prior to admission to our clinic. Based on the findings of the ultrasound and magnetic resonance imaging investigation, a tumour of uncertain origin of the abdominal wall was suspected, also involving ...

Volvulus of the gallbladder has been reported mostly in elderly women and is rarely reported in children. In this paper, we report a recent case of successful detorsion and removal of the gallbladder via minimal access surgery, which was diagnosed as gallbladder volvulus preoperatively by means of magnetic resonance imaging ...

Acute appendicitis is a diagnosis that can be made on clinical symptoms and signs but can often be extremely challenging. Difficulties arise particularly when the presentation is atypical, and this can lead to untoward sequelae. In this review, we present the range of presentations of atypical appendicitis, the variety of ...

A 35-year-old woman collapsed 18 hours after undergoing abdominal wall liposuction. Abdominal CT scan revealed a punctured spleen. She underwent an emergency splenectomy and made an uneventful recovery.

Hepatic splenosis refers to heterotopic auto-transplantation and implantation of splenic tissue resulting from the spillage of cells from the spleen after splenic trauma or splenectomy. The true incidence of splenosis is unknown, because this entity is usually an incidental finding at surgery. Splenic implants are usually multiple, and can be ...

BACKGROUND: This study aimed to evaluate the accuracy of functional cine-MRI in detecting abdominal adhesions. METHODS: For this study, 89 consecutive patients with adhesion-related complaints after previous abdominal surgery underwent preoperative workup including cine-MRI in transverse and sagittal orientations for a dynamic examination of an induced visceral slide. An abdominal ...

Appendicitis is the most common abdominal emergency occurring in 7%-12% of the population. The aim of this article was to pictorially present the spectrum of appendix and acute appendicitis appearances on computed tomography (CT). The various appearances on CT of the normal appendix are shown as well as the CT ...

Isolated torsion of the fallopian tube is a rare cause of lower abdominal pain and commonly occurs after menarche. Prompt identification of this entity can prevent irreversible vascular damage, but the diagnosis is rarely made before surgery due to nonspecific clinical and imaging features. We report a case of isolated ...

Acute appendicitis is the most common surgical abdominal emergency. Although the clinical diagnosis can be made accurately in typical cases, imaging plays an important role in improving diagnostic accuracy of this condition, especially when the clinical diagnosis is uncertain. Magnetic resonance imaging is an emerging promising technique for the diagnosis ...

BACKGROUND: CT scanning of the abdomen is a highly accurate diagnostic tool for acute appendicitis. However, it is still relatively expensive in Taiwan, especially in hospitals which have adopted a global budgeting scheme. The purpose of this study was to analyse the cost of the management of this disease with ...

Computed tomography (CT) is an accurate and effective modality for the diagnosis and staging of appendicitis. CT provides rapid and complete evaluation of patients with suspected appendicitis and clearly demonstrates the typical findings of appendicitis, including a distended appendix, periappendiceal fat stranding, an appendicolith, and focal thickening of the cecum. ...

AIM: As the distribution of fat is increasingly related to cardiovascular events, we examined whether or not abdominal-fat quantification using magnetic resonance imaging (MRI) software is reliable, and whether or not it is related to clinical markers of fat distribution as well as to metabolic and vascular status. METHODS: We ...

OBJECTIVES: One of the first stages in the development of new clinical decision rules (CDRs) is determination of need. This study examined the clinical priorities of emergency physicians (EPs) working in Australasia, Canada, the United Kingdom, and the United States for the development of future CDRs. METHODS: The authors administered ...

BACKGROUND: Antepartum myomectomy is reserved for severe pain and prevention of fetal complications. Magnetic resonance imaging has been useful in nonpregnant women for preoperative management and patient counseling. CASE: A primigravida was admitted at 12 weeks of gestation in severe acute abdominal pain with a large abdominal mass, confirmed by ...

BACKGROUND: [corrected] The purpose of the study was to assess the role of artificial neural networks (ANNs) in the diagnosis of appendicitis in patients presenting with acute right iliac fossa (RIF) pain and comparing its performance with the assessment made by experienced clinicians and the Alvarado score. METHODS: After training ...

Abdominal cerebrospinal fluid pseudocyst is an uncommon complication of using ventriculoperitoneal shunt (VPS). Although many cases have been reported in children, abdominal pseudocysts are rare in adult patients. The purpose of this article is to describe and illustrate the findings for this condition on commonly used abdominal diagnostic imaging modalities. ...

PURPOSE: The aim of this retrospective analysis was to evaluate the accuracy of 10 mm thickness single helical computed tomography (CT) examination for confirming the diagnosis of appendicitis or providing a diagnosis other than appendicitis, including underlying periappendical neoplasms. MATERIALS AND METHODS: From April 1, 2001 to March 30, 2005, ...

Thanks to increasingly number imaging techniques, sonography is no longer indicated solely for the examination of the parenchymal organs of the abdominal cavity, but also for the small and large intestine. It has an important role in differential diagnosis of pain in the right hypogastrium, particularly when acute appendicitis is ...

PURPOSE: To retrospectively evaluate the accuracy of multi-detector row helical computed tomography (CT) with intravenous contrast material and without oral contrast material for depiction of perforated appendicitis. MATERIALS AND METHODS: This study was approved by the institutional review board; informed consent was waived. CT images in 102 patients (60 male ...

Hepatic portal venous gas (HPVG) formation is regarded as a sign of serious intra-abdominal process. This report presents an abdominal CT scan of a patient with incidental but rare finding of HPVG after nasogastric intubation. The presence of HPVG should prompt a thorough diagnostic evaluation to immediately rule out a ...

We present a patient in her 60s who was admitted with a sudden loss of power in her right arm and leg, right sided facial weakness, and difficulties with speaking. An acute ischaemic stroke in the left hemisphere was diagnosed and the patient received intravenous thrombolytic treatment. Treatment was stopped ...

BACKGROUND/AIMS: To study the characteristics of clinical findings and CT imaging of perforated appendicitis for predicting the outcome of patients who received immediate appendectomy for perforated appendicitis. METHODOLOGY: Thirty-eight patients with perforated appendicitis who received immediate appendectomy were retrospectively reviewed. During a median follow-up period of 1091 days, 13 patients ...

Objective: To determine the sensitivity and specificity of CT findings in the differentiation of perforated from nonperforated appendicitis and correlate CT diagnosis with the length of hospital stay. Study Design: An analytical study. Place and Duration of Study: This study was conducted at Radiology Department of Aga Khan University Hospital, ...

Diagnosing appendicitis continues to be a difficult task for clinicians. The use of routine CT scan has been advocated to improve the accuracy of diagnosing appendicitis. When compared with the use of clinical examination alone, CT scan was not significantly different with regard to making the diagnosis of appendicitis in ...

Emergency departments have different strategies concerning the use of computed tomography (CT) for diagnosing appendicitis. We explored the association between CT utilization rates and the negative appendectomy rates in patients with suspected appendicitis at three medical centers. A retrospective multi-center comparative study was conducted to determine the association between CT ...

OBJECTIVE: To determine the influence of computed tomography (CT) scans on diagnosis and management of patients with suspected appendicitis. METHODS: Retrospective 2-year review of 1,630 patients with suspected appendicitis, categorized into three groups based on the likelihood (Alvarado scores) of having appendicitis. Group 1: low likelihood (Alvarado score < or ...

OBJECTIVE: The purpose of our study was to evaluate a CT protocol that eliminates the unenhanced phase for imaging pediatric abdominal neoplasms. MATERIALS AND METHODS: We retrospectively performed a case series study of all the abdominal CT scans on children and adolescents found in our archives. Two radiologists separately evaluated ...

OBJECTIVE: The purpose of our study was to evaluate current practice patterns in the imaging of pregnant women with abdominal complaints. MATERIALS AND METHODS: A survey was sent to the abdominal imaging division of 183 radiology residency programs in the United States. The survey asked for information regarding CT and ...

Several studies report sensitivity and specificity of abdominal computed tomography scans (CT) for the evaluation of acute appendicitis as high as 98 per cent. Despite increased utilization of CT, the rate of negative appendectomy has remained constant at 10 to 20 per cent. The objective of this study was to ...

Perforation of the gallbladder is an uncommon complication of acute cholecystitis that is associated with relatively high mortality. Symptoms and clinical signs can be indistinguishable from those of uncomplicated acute cholecystitis, leading to delayed diagnosis. We reviewed the clinical and imaging findings in 17 patients with gallbladder perforation confirmed at ...

PURPOSE: Preoperative imaging of acute appendicitis is widely practised. The aim of this study is to determine the prevalence of preoperative imaging of acute appendicitis in our institution and its effect on the negative appendectomy rate and perforation rates. METHODS: We undertook a retrospective review of all patients who underwent ...

Primary epiploic appendagitis is a rare entity that occurs due to torsion and inflammation of the epiploic appendages. Clinically, this entity may be mistaken for acute abdomen with resultant unnecessary surgery. In contrast to acute surgical abdomen, epiploic appendagitis usually does not require surgical treatment; most of the patients resolve ...

OBJECTIVE: To describe computed tomography (CT) features in SLE patients with suspected abdominal involvement or complications. MATERIAL AND METHOD: SLE Patients who presented with suspected abdominal involvement or complications and underwent CT between 2001 and 2005 were retrospectively reviewed. All CT studies were performed within 21 days of the onset ...

Omental torsion is a very rare cause of acute abdomen. Its primary diagnostic modality is CT. The whirl sign visible in CT images is pathognomonic. The whirl sign is not present in all cases. When no whirl sign is seen, omental torsion is rather difficult to be differantieted radiologically from ...

Most reported cases of traumatic abdominal wall herniation result from seatbelt or handlebar injuries. The diagnosis is often made on physical examination or abdominal computed tomography (CT). We report a 59-year-old man with traumatic herniation through the rectus muscle following low-velocity blunt abdominal trauma. This patient was initially thought to ...

The normal pathways of lymphatic drainage from the abdominal organs have been well described in the classic anatomy literature. Knowledge of the location and nomenclature of the common nodal stations in the abdomen are essential for complete report of radiological findings. CT is ubiquitous in the evaluation of oncology patients. ...

PURPOSE: To retrospectively determine the maximum compression ratio at which compressed images are indistinguishable from the original by using a three-dimensional (3D) wavelet algorithm. MATERIALS AND METHODS: The protocol of this study was approved by the local Institutional Review Board and informed consent was waived. Sixty emergency abdominal computed tomographic ...

We report a case of ruptured tubal pregnancy with massive life-threatening hemoperitoneum. The 38 year-old woman presented with gynaecologic haemorrhage, pelvic pain and hypovolemic shock. Without any ambiguity, the diagnosis was directly made during contrast enhanced Multidetector Computed Tomography (MDCT). Massive hemoperitoneum with fresh blood clots in the hypogastric area, ...

Acute abdominal and pelvic processes account for more than half of all surgical procedures performed in the emergency setting. Rapid and accurate diagnosis in the emergency department is essential for the appropriate management of these acute conditions. Magnetic resonance (MR) imaging is an attractive modality for diagnostic imaging in patients ...

PURPOSE: To retrospectively determine sensitivity and specificity of computed tomography (CT) for the diagnosis of appendicitis in pregnant women with nontraumatic abdominal pain and retrospectively compare findings at CT and ultrasonography (US) in patients who underwent both examinations, with surgery or clinical follow-up as a reference standard. MATERIALS AND METHODS: ...

The patient was a 80-year-old female who was diagnosed as having gallbladder torsion preoperatively. To out knowledge, this is the first reported case diagnosed by CT with a multidetector CT scanner. The abdominal CT showed a V-shape distortion of the extrahepatic ducts, twisting cystic artery with "Whirl's sign", distended and ...

BACKGROUND AND OBJECTIVES: The abdominal wall is a significant source of pain after abdominal surgery. Anterior abdominal wall analgesia may assist in improving postoperative analgesia. We have recently described a novel approach to block the abdominal wall neural afferents via the bilateral lumbar triangles of Petit, which we have termed ...

We report three cases of women who came to our observation suffering from a feeling of heaviness in the pelvic floor. Ultrasonography showed, in all cases, a cystic formation, medially located under the umbilicus, suggesting the presence of a cyst of the urachus. Computed tomography and magnetic resonance imaging, however, ...

OBJECTIVE: To determine the visualization rate of the normal appendix on low- and standard-dose unenhanced computed tomography (CT) and to evaluate the variables that may influence the identification of the appendix. METHODS: The study population was derived from the previous study, approved by the internal review board, investigating the effectiveness ...

Body packing refers to the internal concealment of narcotics, usually within the gastrointestinal tract. This is important to recognise for clinical and forensic reasons. Imaging is often helpful, particularly because an accurate history is unusual. Furthermore, clinical examination and urine screens are often unreliable. Plain abdominal radiography and ultrasonography have ...

OBJECTIVES: Utilization of computed tomography (CT) scans in patients with presumed appendicitis was evaluated at a single institution to determine the sensitivity of this diagnostic test and its effect on clinical outcome. METHODS: Adult patients (age > 17 years) with appendicitis were identified from hospital records. Findings at surgery, including ...

The creation of a stoma in a multiply scarred abdomen is often difficult because of intra-abdominal adhesions and limited suitable skin sites. We report a simple technique utilising computed tomography which allowed the easy creation of a defunctioning loop colostomy in such an abdomen by simple trephine rather than laparotomy.

To determine the reasons for missing a distended appendix, we discuss cases of acute appendicitis in which either or both computed tomography (CT) and/or ultrasonography (US) initially failed to detect distended appendix. In some cases, distended appendices that were undetected on US were easily detected by CT, and vice versa. ...

PURPOSE: Focused helical CT using rectal contrast material only has emerged recently as an accurate diagnostic tool for the evaluation of suspected acute appendicitis. This study was designed to prospectively compare the efficacy of rectal contrast CT to other commonly used contrast-enhanced and nonenhanced CT techniques for the detection of ...

The purpose of this study was to evaluate the presence of the hyperdense appendix in acute appendicitis. The CT scans of 183 patients with pathologically proven acute appendicitis were reviewed to determine the prevalence of a hyperdense appendix, defined as a high-attenuated appendix when compared with the adjacent cecal wall ...