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A bisexual man who had not travelled outside the U.K. had an amoebic liver abscess. Although it is reported that Entamoeba histolytica is usually of a non-pathogenic type in homosexual men in the U.K., it is important to diagnose invasive amoebiasis in this high-risk group so that appropriate treatment can be given.
We studied 13 emergency cases of liver abscess. Five cases of septic shock or clouding of consciousness were identified on admission. Six patients had diabetes mellitus. Twelve patients met the diagnostic criteria for systemic inflammatory response syndrome, and nine met the criteria for disseminated intravascular coagulation. Plasma endotoxin levels improved rapidly after drainage. Causative organisms were isolated in all patients, and the most common organism was Klebsiella pneumoniae (seven cases). Percutaneous transhepatic abscess drainage (PTAD) was performed not only in single cases but also in multiple cases with main huge abscesses. Surgical treatment was performed in the following three cases: a ruptured abscess, an ineffective PTAD, and a case of peritonitis after PTAD. Irrigation of abscesses with strong acidic electrolyzed water revealed a significant decrease in treatment duration. In the majority of our cases, severe conditions were identified on admission. Strong acidic electrolyzed water was useful for management of PTAD.
MATERIALS AND METHODS: We present an analysis of 48 patients with pyogenic liver abscess (PLA) that were treated according to a protocol between 1975 and 1993. In this period, 35 patients with PLA were treated by surgical drainage (SD). The indication for surgical treatment of the abscess were patients in septic conditions, underlying intra-abdominal surgical disease and the failure/contraindication of other therapeutic methods. Thirty-one patients were submitted to surgical treatment as the initial procedure and four patients unsuccessfully treated by percutaneous drainage, underwent SD. RESULTS: The surgical approach was indicated in patients with severe disease and presented 91.5% of good results, and a mortality rate of 8.5%. CONCLUSIONS: These results suggest that surgical treatment is a good alternative as a first step not only for the treatment of the primary cause of the abscess but also in septic patients with severe disease where a delay in adequate drainage, frequent in percutaneous management, can lead to high morbidity and mortality rates.
An unusual case of amebic liver abscess that ruptured into the pericardial cavity is presented. This complication of amebic disease is extremely rare, and fatal. Chest X-ray and CT scan were performed for diagnosis. Pericardectomy with surgical drainage was performed; unfortunately, the patient died of massive pulmonary emboli.
Liver abscesses present a severe problematic medical entity. The traditional treatment modality consists of surgical drainage, which cannot be accomplished in all circumstances. Other modes of therapy include systemic antibiotics or percutaneous catheter drainage under ultrasonography or computerized tomography. Despite new treatment regimes liver abscesses, to date, are a potentially lethal disease, with a mortality rate of about 50%. We report an innovative approach of high dosage intrahepatic arterial antibiotic infusion for the therapy of hepatic abscesses, which are resistant to conventional treatments. A patient who underwent mastectomy for breast carcinoma, developed liver metastases one year later. She was prescribed systemic chemotherapy for one year, but no antitumor response was evident. Since ther was no evidence for extra-hepatic metastases, intraarterial hepatic chemotherapy was instituted, using an Infusaid (Mi-400) implantable pump. Marked regression of liver metastases was observed. Therapy was withheld after 19 months because of biliary sclerosis development. At this stage, the patient developed liver abscesses, which were resistant to systemic antibiotic therapy. Intraarterial antibiotic therapy, using the implantable pump, was initiated. Following the treatment, a marked improvement in the patients' clinical condition was recorded and shrinkage of the abscesses was evident by ultrasonography. The patient was free of symptoms for three months, when she was readmitted with evidence of terminal metastatic disease and sepsis. It is suggested that intrahepatic arterial antibiotic therapy is an additional mode of treatment for patients with persistent liver abscesses which fail to respond to conventional treatment.
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We report the successful use of a conservative regimen in the management of amoebic liver abscess with thoracic spread and present two illustrative case reports.
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Hepatic magnetic resonance (MR) imaging was performed in 12 patients with 13 amebic liver abscesses. While no specific image or intensity pattern was noted, most lesions were round or oval with smooth, well-defined margins; had decreased signal intensity compared with that of liver parenchyma on T1-weighted images and increased signal intensity on T2-weighted images; and had prominent, often multiple rims of variable signal intensity. Signal homogeneity within the abscess was present more often on T1- than on T2-weighted images. Diaphragmatic disruption was seen in two cases on coronal MR images. An amebic empyema was differentiable from sympathetic pleural effusions by its hyperintensity on both T1- and T2-weighted images. In patients who also underwent computed tomography (CT) or ultrasonography (US), no lesion was missed with any modality, and except for shape, no consistent features were found among images obtained with the different modalities. The data suggest that CT, US, and MR imaging are comparably effective in the detection of amebic abscess.
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A thirty two years man, heterosexually promiscuous presented with amoebic liver abscess, proven by ultrasonography, aspiration and culture of organism. He was human immunodeficiency virus (HIV) seropositive and had low CD4+ lymphocyte count. He responded to anti-amoebic treatment.
One case of a secondary amyloidosis in amebiasis with intrathoracic complications of amebic liver abscesses in association with strongyloidiasis, enterobiasis, bancroftian filariasis and maduromycosis is described. It's suggested that the progression of secondary amyloidosis was due to the prolonged process of amebiasis in association with helminthiasis and mycosis.
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Reported here is a case of hereditary myeloperoxidase deficinecy in a diabetic patient suffering from a Candida albicans liver abscess. Peroxidase activity is completely absent from the neutrophils and monocytes although it is present in the eosinophils. The different forms of myeloperoxidase deficiency are discussed.
We describe the first case reported in the literature of liver abscess due to Lactococcus lactis cremoris in an immunocompetent adult patient. The patient was treated with catheter drainage and antibiotics, which resulted in improvement and resolution.
We report the case of a liver abscess associated with microwave coagulation therapy (MCT). A 67-year-old man underwent a pylorus-preserving pancreatoduodenectomy for bile duct cancer in August 1998. In June 1999, abdominal computed tomography (CT) showed three low-density areas in his liver. With a diagnosis of multiple metastatic liver tumors, we applied MCT to each liver tumor. The patient presented with fever after therapy. Abdominal CT showed a hepatic abscess, which was treated by percutaneous transhepatic abscess drainage under ultrasonography. A bacteriological examination of the pus material revealed the presence of Enterococcus faecalis and Candida albicans. Treatment resulted in a rapid resolution of symptoms. Our case indicated that care should be exercised in using MCT for the treatment of liver tumors in patients who have undergone reconstructive surgery of the biliary tract.
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