Search Results
Results 501 - 550 of 1700
< 6 7 8 9 10 11 12 13 14 15 16 >
Jacob Joe - - 2006
Malignancy larynx usually presents early, the common symptoms being hoarseness, pain thorat, cough and irritation of throat. An advanced malignancy is likely to be complicated by a pharyngo-cutaneous fistula. However it is an occurrence towards the end stage of the disease. Here we present a case of malignancy larynx primarily ...
Maehara Naoki - - 2006
We report a case of reactive lymphoid hyperplasia (RLH) of the liver in a 72-year-old woman without any symptoms. To our knowledge, only 11 other cases of this disease have ever been reported. The lesion was found incidentally during a medical examination, as a hypoechoic mass in segment 3 of ...
Baade S - - 2006
Canine livers with congenital portosystemic shunt were investigated histopathologically and immunohistochemically before and 8-272 days after partial ligation of the shunt. Lesions included hypoplasia of portal veins, arteriolar and ductular proliferation, lymphangiectasis, mild to moderate fibrosis, fatty cysts, and mostly mild hepatocellular damage with frequent atrophy and steatosis, regardless of ...
Holstein Andreas - - 2006
A 26-year-old, HLA-B27 positive man with steroid dependent Crohn's disease presented with abdominal lymphadenopathy and multiple abscess-like masses in the spleen and liver 2 years after the initial diagnosis. A biopsy of one of the liver lesions showed epitheloid cell granuloma, no microorganisms were detected despite intensive investigations. The liver ...
Horton Peter J - - 2006
Patients with bilobar colorectal cancer metastases to the liver present a unique problem in terms of resection. They sometimes require a staged approach to resection that takes advantage of the liver's ability to regenerate, as well as the newer chemotherapeutic agents (e.g., oxaloplatin, irinotecan (CPT-11), and bevacizumab) that have become ...
García-Botella Alejandra - - 2006
Epithelioid hemangioendothelioma (EH) is a rare tumor of vascular origin, which occurs at sites such as soft tissues, liver, or lung, and has a highly unpredictable malignant potential. It is an intermediate entity between well-differentiated hemangioma and angiosarcoma. We present two cases of this rare disease in which the tumor ...
Jelali Mohamed Ali - - 2006
Extramedullary haematopoiesis (EMH) is a reactive mechanism by which blood cells are produced outside of the bone marrow to supplement insufficient production or increased destruction of erythrocytes. EMH is uncommon in sickle cell anaemia (SCA). We report the first case of focal intra-hepatic EMH in SCA depicted on MRI occurring ...
Raggi M C - - 2006
Primary and secondary liver tumors may be treated with radiofrequency ablation (RFA) to improve tumor control and to increase patient survival. Lesions are punctured percutaneously or during open surgery. However, not all of the lesions are accessible percutaneously due to their localization: Adjacent structures could be endangered and/or the treatment ...
Chen L-W - - 2006
Hepatic actinomycotic abscesses are rare and secondary to other intra-abdominal infections. History of intra-abdominal surgery is a principal contributing factor for the abscess formation. Patients with hepatic actinomycotic abscess may suffer from fever, malaise, abdominal pain and bodyweight loss. The clinical progress of actinomycotic abscess is more indolent than the ...
Shimada Yoshihisa - - 2006
We report the case of a 45-year-old Tokyo man who developed alveolar echinococcosis of the liver, which is an extremely rare disorder in Japan, except for Hokkaido, Japan's northernmost island. The findings of multiple clustered cysts on computed tomography were unlike those of any hepatic tumors we had previously encountered. ...
Poggi G - - 2006
Intrahepatic cysts are generally classified as congenital, traumatic, infectious or neoplastic. Non-parasitic hepatic cysts (NPHCs) include simple cysts and adult polycystic liver disease in which the liver is diffusely occupied by cysts. NPHCs usually reach a large size before causing symptoms, unless a complication such as rupture, bleeding, infection, obstructive ...
Nazir Zafar - - 2006
Malignant vascular tumors of the liver are rare in children, especially in neonates. We report two cases. One was initially diagnosed as infantile hemangioendothelioma. Rapid growth and appearance of pulmonary metastasis while on aggressive medical treatment suggested malignant transformation. The other neonate presented with intractable ascites and liver biopsy showed ...
Centeno Barbara A - - 2006
BACKGROUND: The liver is the most frequent site of metastatic disease, and metastatic disease to the liver is far more common than primary liver carcinoma in the United States. Pathologic evaluation of biopsy samples is key to establishing a correct diagnosis for patient management. Morphologic and immunoperoxidase studies, which are ...
Terkivatan Türkan - - 2006
BACKGROUND: With the routine use of improved imaging modalities, more benign liver lesions are detected nowadays. An accurate characterization of these incidental lesions may be a challenge, and frequently a biopsy or even unnecessary surgery is being performed. However, these interventions are not always to the benefit of the patient. ...
Lang Thomas - - 2006
Results are presented of a study on liver histopathology in Baltic flounder (Platichthys flesus) carried out in 2001 and 2002 in four coastal sampling areas of the Baltic Sea: Kvädöfjärden (Swedish east coast, reference area), Klaipeda-Butinge (Lithuanian coast), Gulf of Gdansk (Polish coast), and Wismar Bay (German coast) within the ...
Terkivatan Türkan - - 2006
BACKGROUND: Solitary fibrous tumour (SFT) is an uncommon mesenchymal neoplasm that most frequently affects the pleura, although it has been reported with increasing frequency in various other sites such as in the peritoneum, pericardium and in non-serosal sites such as lung parenchyma, upper respiratory tract, orbit, thyroid, parotid gland, or ...
Akatsu Tomotaka - - 2006
We report a rare case of hepatic inflammatory pseudotumor (IPT) after a hepatitis B virus (HBV) infection. Early contrast enhancement on computed tomography (CT) with a washout phenomenon at the delayed phase, and depleted Kupffer cell function on superparamagnetic iron oxide (SPIO)-enhanced magnetic resonance imaging (MRI) suggested hepatocellular carcinoma (HCC). ...
Willenbrock Klaus - - 2006
Nodular lymphoid lesion (NLL) of the liver is a rare but unique entity and has also been termed reactive lymphoid hyperplasia of the liver. We describe the histological, immunohistochemical and molecular biologic findings of a case with NLL and two other tumors of the liver. The nodular lymphoid mass found ...
Mart?-Bonmat? Luis - - 2005
RATIONALE AND OBJECTIVES: The presence of a fat-sparing ring surrounding focal liver lesions in patients with steatosis has been described only in malignant lesions. Our purpose is to evaluate whether this fat-sparing ring peripheral to tumors is a specific marker of malignancy. MATERIALS AND METHODS: From 300 magnetic resonance examinations ...
Rubio S - - 2005
We describe the case of a 51-year-old man with a history of intraocular melanoma treated with radiotherapy 2 years previously. The patient was diagnosed with mild hypertransaminasemia that progressed to acute liver failure and death in a period of one month. Radiological investigations such as spiral computed tomography and abdominal ...
Pelizzo G - - 2005
A giant omphalocele is a liver-containing protrusion through an abdominal defect wider than 5 cm in diameter. The giant form with a small abdominal wall defect is a rare condition which, to our knowledge, has not been described previously. We describe three cases with the typical features of elongated vascular ...
Singh M - - 2005
A 16-year-old castrated male domestic shorthair cat was presented for investigation of weight loss, lethargy, inappetence and polydypsia. On serum biochemical analysis there was evidence of severe hepatocellular damage and cholestasis. Abdominal ultrasonographic examination revealed an irregular lesion of mixed echogenicity in a left hepatic lobe. It was compromised of ...
Sun Xi-Jie - - 2005
AIM: To explore the quantitative analysis of diffusion-weighted magnetic resonance imaging (DWMRI) in differential diagnosis of focal hepatic lesions. METHODS: DWMRI was performed in 149 hepatic lesions, including hepatocellular carcinoma (34 cases), hepatic metastases (37 cases), cavernous hemangioma (42 cases), hepatic cyst (36 cases). Apparent diffusion coefficient (ADC) values were ...
Covelli Michele - - 2006
We describe two patients with primary biliary cirrhosis (PBC) who presented with specific symptoms mimicking an undifferentiated connective tissue disease (arthromyalgia, fatigue, cutaneous lesions either morbillous-like or urticarial, the latter with an eosinophil infiltrate of upper dermis). Subsequent detection firstly of eosinophilia in the blood and secondarily of antimitochondrial antibodies ...
Anandaraja S - - 2005
In neonates presenting with massive pericardial effusion and pericardial mass, liver herniation into the pericardium is a rare diagnosis. Echocardiogram and CT scan are useful investigations in the diagnosis of pericardial masses. Continuation of the mass with the liver with the same texture as the liver helps to make the ...
Gussick Sean D - - 2005
Focal nodular hyperplasia (FNH) is a common benign liver tumor that is usually treated conservatively. This report describes a histologic subtype of FNH that is more likely to be symptomatic as a result of hemorrhage and necrosis. The patient in this case was treated initially with surgical resection for multiple ...
Lakshmana Kumar Y C - - 2005
Actinomycotic liver abscess was diagnosed in a 35-year-old alcoholic farmer from southern India with tender hepatomegaly and fever. CT of the abdomen revealed three coalescing hypodense lesions in the liver. The causative organism could be demonstrated on direct microscopy and cultured from the pus. Treatment with i.v. penicillin for 2 ...
Zheng R Q - - 2005
We report two patients with rare hepatic angiomyolipoma and demonstrate the special tumour haemodynamics with contrast-enhanced harmonic ultrasound. This reliably identified the efferent vessel of the hepatic angiomyolipoma to be the hepatic vein in both cases, which corresponded well with that seen on conventional angiography and CT angiography. This haemodynamic ...
Brunt Elizabeth M - - 2005
To date, histologic evaluation, most commonly in the form of liver biopsy, remains the gold standard in evaluation of nonalcoholic fatty liver disease (NAFLD). Histologic evaluation was fundamental to the initial studies that introduced and defined the concept of fatty liver as a liver disease. Currently, liver biopsy in NAFLD ...
Al-Lawati Taha - - 2005
BACKGROUND: Inflammatory pseudotumor of the liver is an infrequent, fibroinflammatory non-neoplastic process of unknown etiology, generally following a benign inflammatory condition. The importance of knowledge of it resides in its similar presentation to other hepatic tumors in clinical picture, radiological appearance, and macroscopic pattern. CASE REPORT: A 71-year-old woman presented ...
Leone N - - 2006
Patients with the clinical syndrome of visceral larva migrans as a result of Toxocara species, have typical lesions in the liver consisting of granulomas that contain numerous eosinophils and often Charcot-Leyden crystals. This syndrome is rarely taken into account in patients with cholestatic syndrome, especially when hypereosinophilic reaction is absent. ...
Adachi Seiji - - 2005
A 72-year-old Japanese man displayed asymptomatic eosinophilia for 4 months. Computed tomography showed multiple space-occupying lesions in the liver. Zoonotic liver flukes were suspected based on occupational exposure to cattle, serological and radiological findings. Immunological examination was helpful in diagnosing the disease and laparoscopy was crucial in confirming Fasciola hepatica ...
Jiang Ci-Peng - - 2005
This paper deals with all aspects of liver alveolar echin-ococcosis (AE) including epidemiology, pathology, clinical manifestations, imaging examinations, diagnosis and differential diagnosis, surgical treatment and chemotherapy. The review is not only based on personal clinical experiences but also in combination with relative basic research such as proliferation and growth of ...
Weinsheimer Robert - - 2005
Antenatally detected liver masses that are not clearly benign on postnatal investigation pose a management dilemma. Unless the diagnosis is clear, observation alone is risky. Improvements in radiological diagnosis permit confirmation of the benign nature of these masses in some instances, but it is usually difficult to distinguish them from ...
Horiuchi Atsushi - - 2005
We report a case of hepatic mesenchymal hamartoma that was detected neonatally and successfully treated by laparoscopic fenestration. A baby girl was referred to our hospital 9 days after birth with a cystic lesion in her liver. Screening abdominal ultrasonography revealed a sonolucent lesion measuring 65x43x40 mm in the right ...
Zhang Min - - 2005
BACKGROUND: Biliary cystadenocarcinoma as a very rare hepatic neoplasm may be difficult to distinguish from simple hepatic cysts, especially in the unilocular form. Although diagnosis of cystadenocarcinoma during open hepatic surgery demands a complete surgical resection, few reports described the correct approach to such lesions revealed by laparoscopic approach. Five ...
Quan Xian-Yue - - 2005
BACKGROUND: Diffusion-weighted imaging (DWI) as a new technique of magnetic resonance imaging (MRI) is used to detect focal hepatic lesions. This study was designed to evaluate the significance of DWI to differentiate focal hepatic lesions less than 3 cm in diameter by the quantitation of apparent diffusion coefficient (ADC) values. ...
Kim Bong-Wan - - 2005
Hemangiopericytoma is a rare tumor especially when it rises in the peritoneal cavity. We present a case of a 60-year-old woman with an isolated recurrent hemangiopericytoma of the liver. The patient presented with a palpable right upper quadrant abdominal mass, which occurred 7 years after undergoing resection of a malignant ...
Lam Chiu Ying Flora - - 2005
Hepatic hematomas are relatively common in fetuses and neonates; most are subcapsular in location. Sometimes their imaging features can be non-specific, so differentiation from other aggressive lesions like hepatoblastoma can be difficult, especially if there is a concurrent high alpha-fetoprotein level. We report a case of intrahepatic hematoma with a ...
Colakoglu Onder - - 2005
The inflammatory pseudotumor (IPT) of the liver is an extremely rare focal lesion of the parenchyma with unknown aetiology. It has the appearance of a malignant tumor but has a benign histology and clinical course. Herein, we report a case of IPT in a 55 year-old woman. She had complained ...
Fenkci S M - - 2005
A 44-year-old woman was diagnosed with type II diabetes in 1998 and 1 year later she developed necrolytic migratory erythema, which is a specific skin lesion of glucagonoma. During the clinical investigation, a nodular 6 cm mass in the distal pancreatic region and multiple cystic liver metastases were found. She ...
Abdelmoumene Amina - - 2005
This study compared different acquisition protocols performance to detect small liver metastases (<2 cm). Thirty consecutive patients with histologically proven hepatic metastases were explored by MDCT at the liver equilibrium phase by four successive acquisitions. We compared the following protocols (1-4): 5/30/1.5 (section thickness/table speed/pitch); 5/15/0.75; 5/11.25/0.75; and 2.5/15/1.5 with ...
Choi Bo Yoon - - 2005
Benign hepatic tumors include a broad spectrum of regenerative and true neoplastic processes. Because of advances in imaging studies such as computed tomography (CT) and magnetic resonance imaging (MRI) as well as progress in immunohistochemistry, accurate diagnosis can now be made in a large percentage of patients without surgical laparotomy ...
Alimoglu O - - 2005
Inflammatory pseudotumours are rare benign tumours characterized by an inflammatory process and can occur in any system. We present a case of inflammatory pseudotumours of the liver presenting with obstructive jaundice due to a mass forming lesion in the left lobe of the liver which was treated by left hepatic ...
Hoyt Kenneth - - 2005
Ethanol-induced hepatic lesions were investigated in swine for in vivo use as a strain imaging animal model. Lesions (n = 25) were induced by injecting ethanol (doses 0.33 to 2.0 mL) directly into the surgically exposed liver at depths of 12, 15 or 25 mm. Lesions were imaged with a ...
Tsokos Michael - - 2005
Peliosis is a pathological entity characterized by the gross appearance of multiple cyst-like, blood-filled cavities within parenchymatous organs. Peliosis has been related to several underlying debilitating illnesses such as tuberculosis, hematological malignancies, the acquired immunodeficiency syndrome (AIDS), and post-transplant immunodeficiency, as well as intravenous drug abuse, chronic alcoholism, and in ...
Polat K Y - - 2005
Hepatocellular carcinoma (HCC) has a tendency for fatal spontaneous rupture leading to massive haemorrhage. A 64-year-old man presented with sudden, severe epigastric pain for 6 h. Systolic blood pressure was 80/50 mmHg, and pulse rate was 100/min. The patient's history did not reveal any operation or disease up to date. ...
Kraus G J - - 2005
In patients with suspected liver disease, ultrasound is the most commonly performed initial imaging modality. We report a patient who had previously undiagnosed liver cirrhosis with target-shaped lesions interspersed throughout the liver parenchyma on ultrasound seen as multiple uniform round shaped lesions with varying isoechoic to hyperechoic centres surrounded by ...
Tucker O N - - 2005
BACKGROUND: Cystic diseases of the liver and intrahepatic biliary tree are uncommon. The majority of cases are detected only when patients become symptomatic, or as an incidental finding on radiological imaging. METHODS: We discuss the case of a 25-yr-old female with a centrally located giant liver cyst causing obstructive jaundice, ...
Basaran Ceyla - - 2005
The purpose of this pictorial essay is to identify different types of liver lesions that contain fat. Cross-sectional imaging findings of fat- or lipid-containing lesions can help in characterizing focal liver lesions. We searched our archive retrospectively and reviewed the literature for fat-containing liver lesions and identified 16 different types. ...
< 6 7 8 9 10 11 12 13 14 15 16 >