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Biomedical subjects

F Balkanci

Publications and source records attributed to F Balkanci.

At least 19 recordsLinked to original sources
PubMed2003

Intrahepatic portosystemic venous shunt: diagnosis by colour/power Doppler imaging and three-dimensional ultrasound.

Intrahepatic portosystemic venous shunt, considered to be a rare disease, can lead to hepatic encephalopathy. With recent advances in diagnostic imaging techniques, the number of reports of intrahepatic portosystemic venous shunts identified incidentally in patients without symptoms are increasing. We report an intrahepatic portosystemic venous shunt that was diagnosed incidentally by real-time ultrasound and colour Doppler imaging, including the use of three-dimensional ultrasound using minimum intensity projections and power Doppler.

Adult↗
PubMed2003

A rare vascular malformation, Klippel-Trenaunay syndrome. Report of a case with deep vein agenesis and review of the literature.

The Klippel-Trenaunay syndrome (KTS) is a rare anomaly characterized by naevus, soft tissue hypertrophy and varicosities which is mainly unknown etiology. Associated deep venous system abnormalities have been reported with KTS. Here, a 4-year-old-boy with KTS was reported, because of the associated popliteal vein, common femoral vein with its deep and superficial branches, and external iliac vein agenesis. The originality of the presented case is that we have never observed such a case before.

Child, Preschool↗
PubMed2002

Behçet's disease with severe arterial involvement in a child.

Behçet's disease is a vasculitis characterised by its thrombotic tendency. In some patients, manifestations of vascular lesions may dominate the clinical picture instead of the classic triad. We describe a 13-year-old boy with a 1.5-year history of Behçet's disease presenting with complaints of acute abdominal pain, severe headache and decreased vision. His work-up revealed a saccular aneurysm of the distal abdominal aorta, thrombosis in the right common iliac, external iliac and femoral arteries, and thrombosis of the superior sagittal sinus. Aortoiliac bypass with a Dacron graft was performed with success. He also received cyclosporin A and anticoagulant therapy. Severe vasculitis may become overt at any age in patients with Behçet's disease. Early diagnosis and management is important to prevent morbidity and mortality.

Adolescent↗
PubMed2001

Antiphospholipid syndrome presenting as portopulmonary hypertension.

The association of pulmonary hypertension with portal hypertension, also called portopulmonary hypertension, is a well-described condition. The pathogenesis of this association remains unclear. We describe a 34-year-old female patient with "primary antiphospholipid syndrome" and portopulmonary hypertension. Our finding supports that in situ microthrombosis associated with the presence of anticardiolipin antibodies could be the pathophysiologic explanation for both portal and pulmonary hypertension.

Adult↗
PubMed2000

Guglielmi detachable coil treatment of a partially thrombosed giant basilar artery aneurysm in a child.

We report a partially thrombosed giant of the aneurysm basilar artery with prominent mass effect, diagnosed in an 11 year-old child who presented with neurological deficits due to brain stem compression. After the patent portion of the aneurysm was embolised with Guglielmi detachable coils, remarkable clinical improvement occurred. Angiography demonstrated complete occlusion of the aneurysm and MRI revealed dramatic shrinkage of the aneurysm at 6-month and 1-year follow-up.

Basilar Artery↗
PubMed2000

Pelvic kidney with an unusual blood supply: angiographic findings.

A right pelvic kidney was observed in a patient, who presented with hypertension. On angiograms, the left kidney was normally positioned and had a single renal artery, whereas the right pelvic kidney received three arteries, which arose from bilateral common iliac arteries and from ipsilateral internal iliac artery. The renal arteries from the ipsilateral internal iliac artery and the contralateral common iliac artery supplied the medial half of the pelvic kidney. In the present case, the blood supply from both the right and left sides appeared to be related to the medial position of the right pelvic kidney. As the incidence of unilateral renal ectopia is not extremely low, it is possible to encounter in a surgical or cancer treatment case. Variations in the positional anatomy of the kidney and its vascular supply are of clinical importance and our case illustrates a different kind of blood supply that a pelvic kidney may possess.

Adult↗
PubMed2000

The factor V Leiden mutation: a possible contributor to the hepatic artery thrombosis encountered after liver transplantation in a child.

A 10-year-old girl has experienced 3 recurrences of hepatic artery thrombosis (HAT) after a liver transplantation. She responded to intraarterial administrations of urokinase after the first 2 attacks. However, the restoration of the arterial flow was not possible after the third attack. The child and her father were both heterozygous for factor V Leiden mutation. In addition to the technical factors, the factor V Leiden mutation should be considered as a factor that plays a role in HAT.

Child↗
PubMed2000

Disappearance of "pseudocholangiocarcinoma sign" in a patient with portal hypertension due to complete thrombosis of left portal vein and main portal vein web after web dilatation and transjugular intrahepatic portosystemic shunt.

The main portal vein web is probably a consequence of portal vein thrombosis, which is a very rare cause of portal hypertension. Principal manifestations are related to the degree of portal hypertension. In the literature, no data has been found for the treatment modality of portal vein web. We report, herein, the clinical and laboratory findings of a 38-year-old woman with angiographically proven incomplete main portal vein web and complete thrombotic occlusion of the left portal vein causing pseudocholangiocarcinoma sign (PCCS) on the common bile duct. She was treated by transjugular intrahepatic portosystemic shunt (TIPS) and membrane dilatation, which resulted in complete disappearance of collaterals and PCCS. It appears that TIPS and balloon dilatation of the portal vein web via transjugular approach was effective in decreasing portal pressure and its consequences.

Adult↗
PubMed1999

Treatment of a TIPS-biliary fistula by stent-graft in a 9-year-old boy.

We report a 9-year-old male cirrhotic patient with acute occlusion of a transjugular intrahepatic portosystemic shunt (TIPS) due to a biliary-to-TIPS fistula which occurred 9 hr after the TIPS procedure. Immediate TIPS revision was performed and the fistula was treated by placement of an endoluminal stent-graft. At 12-month follow-up color Doppler examination demonstrated a patent shunt.

Biliary Fistula↗
PubMed1999

Renal vascular abnormalities in Bardet-Biedl syndrome.

Bardet-Biedl syndrome (BBS) is a rare autosomal recessive disorder. Specific diagnostic criteria for BBS have now been defined. At least four of the five cardinal signs of mental retardation, obesity, hypogenitalism in men, distal limb anomalies, and progressive tapetoretinal degeneration of the retina are required for the diagnosis. Renal involvement has been described as a sixth cardinal feature. Chronic renal failure occurs in 30%-60% of patients. Hypertension has been noted in 50%-66% of cases. Renal abnormalities reflect a defect in maturation of the kidneys. We present a patient with BBS who had bilateral microaneurysms and occlusions in renal arterioles.

Aneurysm↗
PubMed1998

One calyx one ureter.

A case of duplication of the renal collecting system in which a single calyx is drained by a single ureter is presented. A second ureter draining a single calyx was not reported in the literature before.

Humans↗
PubMed1998

Does hepatic vein outflow obstruction contribute to the pathogenesis of hepatocellular carcinoma?

Hepatocellular carcinoma (HCC) is one of the more common malignant diseases in the world. Here we have investigated role of hepatic venous outflow obstruction in the development of HCC. During a 10-year period from November 1986 to December 1996, 1,748 patients with clinical evidence of either portal hypertension, hepatic venous outflow obstruction, or inferior vena cava obstruction without Behçet's disease (BD) and 512 patients with Behçet's disease were examined at Hacettepe University Hospital. The presence of and the effect of hepatic venous obstruction on the subsequent development of HCC was assessed. In each case, hepatic vein thrombosis was assessed by hepatic venography and by digital subtraction angiography (DSA), computed tomography (CT), ultrasonography (US), and liver biopsy. Coagulation factors, including protein C, protein S, anti-thrombin III, and routine laboratory studies assessing the coagulability of blood were also investigated. The role of hepatic venous outflow obstruction on the subsequent development of HCC was determined by periodic laboratory investigations that included alpha-fetoprotein (AFP), ultrasonography, and when indicated liver biopsy. During the same time period all patients diagnosed as having HCC were investigated to identify all potential etiologic factors responsible for the HCC. Fifty-five (10.7%) of the 512 patients with BD were found to have one or more large vein thromboses. Sixteen of these 55 (29%) patients had hepatic vein thrombosis. During the follow-up period HCC developed in 2 of these 16 patients (12.5%), 34 and 21 months after a diagnosis of hepatic vein thrombosis was established. Forty patients from a total of 1,748 patients with clinical evidence of portal hypertension and cirrhosis, but without BD, were found to have evidence of hepatic vein thrombosis. Twenty-one of these 40 patients had an identifiable underlying disorder responsible for their hepatic vein thrombosis. Despite a full clinical and laboratory investigation in the other 19 patients, the etiologic factor responsible for the hepatic vein thrombosis remained obscure. Only one of these 19 patients, who also had portal vein thrombosis, developed HCC during a 9-year follow-up. Thus, a total of three of the 56 (5.36%) of cases of hepatic vein thrombosis developed an HCC. All of the hepatic tumors were of the multicentric, nodular, rapidly growing type. Despite the presence of hepatic vein thrombosis, there was no clear-cut histologic evidence for cirrhosis. Our experience suggests that hepatic vein thrombosis may be a contributing factor responsible for HCC development. Moreover, we advise that individuals with hepatic vein thrombosis should be assessed periodically for the development of HCC.

Adult↗
PubMed1998

Arterial thrombosis leading to intestinal infarction in a patient with Behçet's disease associated with protein C deficiency.

Behçet's disease may be a possible cause of both occlusive and aneurysmal arterial involvement as well as recurrent venous thrombosis. A case of Behçet's disease complicated with vascular involvement leading to intestinal infarction is presented. A 41-yr-old man suffering from Behçet's disease for 15 yr presented with a 2-day history of severe abdominal pain and bloody diarrhea. Intestinal infarction secondary to thrombosis of the superior mesenteric artery had been diagnosed during surgical exploration 3 yr previously. He was started on anticoagulation with nutritional support. The patient was readmitted with severe diarrhea and malabsorption symptoms 3 yr after intestinal resection. A thrombus located in the posterior wall of the infrarenal portion of aorta was detected by aortography and ultrasonography. Although thrombosis is a relatively common complication of Behçet's disease caused by vasculitis, protein C deficiency, which is a pertinent laboratory finding in this case, might be a secondary factor in the thrombotic event. This is the first case reported of mesenteric artery thrombosis leading to bowel infarction and abdominal aorta thrombosis associated with protein C deficiency.

Adult↗
PubMed1997

Inferior suprarenal artery aneurysm in polyarteritis nodosa.

A 16-year-old boy with the complaints of fever, abdominal pain, arthralgia and hypertension was found to have polyarteritis nodosa. Selective renal angiography disclosed a 5-mm microaneurysm of the right inferior suprarenal artery, which has not been previously reported in polyarteritis nodosa. Aside from the diagnostic view-point, some of the perirenal and retroperitoneal hemorrhages of unknown origin seen in polyarteritis nodosa might be due to the rupture of suprarenal artery aneurysms.

Adolescent↗