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At least 199 records · Page 11Linked to original sources
PubMed1994

Imaging of the spleen: CT with supplemental MR examination.

Splenic lesions tend to be small or infiltrating and vary in size and configuration, making detection difficult, particularly without use of an organ-specific contrast agent. The authors present a series of selected cases to show the value of computed tomography (CT) and magnetic resonance (MR) imaging in depiction of splenic disease. Six major categories are presented: (a) inflammatory disease, (b) splenic cysts, (c) infarction, (d) nonneoplastic and noninfectious diffuse splenic disease, (e) benign tumors, and (f) malignant tumors. CT attenuation of splenic tissue is homogeneous, typically measuring 40-60 HU on non-contrast material-enhanced scans. Splenic attenuation is normally 5-10 HU less than that of liver, a standard of reference used in evaluation of either hepatic or splenic disease. On T1-weighted MR images, the normal signal intensity of the spleen is less than that of hepatic tissue and slightly greater than that of muscle. On T2-weighted images, the spleen shows higher signal intensity, appearing brighter than the liver. CT is currently the choice for evaluation of the spleen; however, MR imaging may be increasingly used as newer pulse sequences and organ-specific contrast agents are developed.

Abscess↗
PubMed1999

Tuberculoma of the spleen: a rare but important clinical entity.

Tuberculoma of the spleen has been an extremely rare entity during the last decades in the Western world. We describe a case in a young, HIV-negative woman who was evaluated for fever of unknown origin. The workup was initially negative, and she was treated successfully with steroids and nonsteroidal anti-inflammatory analgesics. Recurrence of the fever and an abnormal CT of the abdomen lead to an exploratory laparotomy, which revealed a subcapsular caseous material containing splenic abscess. The very few cases reported in the literature, and the increasing incidence of extrapulmonary tuberculosis due to the alarming numbers of immunodeficient patients that a surgeon may encounter are also discussed.

Adult↗
PubMedDate not supplied

Focal splenic lesions in patients with AIDS: sonographic findings.

BACKGROUND: The purpose of this study was to describe the sonographic features of the focal splenic lesions in patients with AIDS and to know the frequency and etiology of these features. METHODS: Sonographic exams of 278 AIDS patients were reviewed retrospectively. We recorded the clinical indications for sonograms and sonographic findings of those patients with focal splenic lesions. In addition, patients' histories were reviewed to determine the etiology of such lesions. Ultrasound exams were performed with a 3.5-MHz transducer. RESULTS: Sonography demonstrated focal splenic lesions in 22 patients (7.9%). Eighteen patients (81.8%) showed small, multiple, hypoechoic, rounded splenic lesions; one patient had a solitary defect with similar features. In these 19 patients (86.3%), splenic lesions were due to disseminated Mycobacterium tuberculosis infection. One case showed two large hypoechoic wedge-shaped lesions that were splenic infarctions secondary to acute bacterial endocarditis. In two patients (9%) with solitary and multiple small hypoechoic lesions, the cause of the lesions remained unknown. All patients had splenomegaly. Hepatomegaly with focal lesions, retroperitoneal lymphadenopathy, or ascites were also seen. CONCLUSION: In our area, the finding of splenomegaly with small, multiple, hypoechoic lesions in AIDS patients should make clinicians suspect splenic tuberculosis as a first possibility.

AIDS-Related Opportunistic Infections↗
PubMedDate not supplied

Tuberculous abscess of the abdominal wall and multiple splenic abscesses in an immunocompetent patient.

We report a case of a 39-year-old human immunodeficiency virus (HIV)--negative male who presented with a progressively increasing swelling in the left hypochondrium. He did not manifest fever or toxaemic symptoms. Computerised tomographic scan (CT scan) of the abdomen revealed an abscess in the anterior wall and multiple splenic abscesses. Fine needle aspiration from the abscesses in the anterior abdominal wall and the spleen confirmed the diagnosis of tuberculosis as the aetiology. The patient responded well to antituberculosis treatment and the abscesses regressed considerably.

Abdominal Abscess↗
PubMedDate not supplied

Hematemesis due to a pseudoaneurysm of the splenic artery secondary to gastric tuberculosis.

Gastric tuberculosis (TB) is very rare compared with other sites in the gastrointestinal (GI) tract, and upper GI bleeding is an extremely rare manifestation of gastric TB. Also, a pseudoaneurysm is an uncommon cause of GI bleeding and is often encountered with pancreatitis. To our knowledge, no case of GI bleeding due to a pseudoaneurysm of the splenic artery secondary to gastric TB has been reported previously. We report a patient who presented with hematemesis due to a pseudoaneurysm of the splenic artery secondary to gastric TB.

Adult↗