Long-term efficacy of low doses of quinidine on malignant arrhythmias in Brugada syndrome with an implantable cardioverter-defibrillator: a case series and literature review.

Background: To prevent the recurrence of ventricular arrhythmias (VA) in Brugada syndrome (BrS), only quinidine has been consistently reported to have a beneficial effect. Recommended doses are ≥ 1 g/d. The efficacy of lower doses of quinidine has been suggested on the basis of a few isolated experiences.

Hepatocellular carcinoma and hepatitis C in Mexico.

Background/aims: Hepatocellular carcinoma (HCC) has increased in many countries as a result of an increased frequency of hepatitis C virus (HCV) infection. In Mexico, the association of HCC to HCV infection has not been evaluated. This study aims to evaluate the epidemiological factors related to HCC in Mexican patients as well as the results of treatment.

Hepatocellular carcinoma in the youth. A comparative analysis with hepatocellular carcinoma in adulthood.

Background/aims: Hepatocellular carcinoma (HCC) is a very rare disease among young individuals. Epidemiological, clinical and histopathological features of this malignancy in the youth have not been thoroughly studied.

Methodology: A review of the clinical files of patients with HCC younger than 40 years of age, who were treated between May 1990 and July 2002, was performed.

[Laparoscopic liver surgery].

Introduction: Laparoscopic surgery has been widely used for digestive tract diseases, specially for gallbladder pathology. Laparoscopic liver surgery pretends to accomplish the same objectives of open surgery but with the advantages of minimally invasive surgery.

Aims: To evaluate the indications and recent results of laparoscopic liver surgery, as well as the technique.

[Arterial hypertension as clinical manifestation of non-parasitic hepatic cyst. A case report].

We present the case of a 32-year-old female patient referred to the Instituto Nacional de Cancerología (INCan) with a history of several months of systemic hypertension and epigastric pain associated to early postprandial satiety, fatigue, and dyspnea. At physical examination, a smooth, non-tender, palpable mass was found in right upper quadrant 7 cm below costal margin. Computed tomography (CT) scan showed right-sided non-parasitic liver cyst.

[Hepatocellular carcinoma in youth: a comparative analysis with hepatocarcinoma in adults].

Introduction: Hepatocellular carcinoma (HCC) is a very rare disease among young individuals. Epidemiological, clinical, and histopathological features of this malignancy in youth have not been thoroughly studied.

Patients And Methods: A review of clinical files of patients with HCC < 40 years of age treated between May 1990 and July 2002 was performed.

[Choledochal cysts in the adult patient. ].

Introduction: Choledochal cysts are a rare anomaly of the biliary system; only 20-30% are diagnosed in adults. The etiology remains uncertain; however, many patients with this pathology have had an anomalous pancreatobiliary junction.

Aim: To evaluate recent trends regarding diagnosis and treatment of choledochal cysts.