A Case of Small Bowel Obstruction due to a Mushroom Bezoar / 대한소화기내시경학회지

A mushroom bezoar is an unusual type of bezoar and a rare cause of small bowel obstruction, with the only cases being previously described in the foreign literature. Common sites of obstruction are the gastric outlet, the terminal ileum as well as segments of pre-existing gastrointestinal stenosis of various etiologies. Predisposing factors include a high fiber intake, inadequate chewing, gastric hyposecretion and hypomotility, and a previous gastrectomy and vagotomy. Computed tomography has the capability of directly showing the bezoar and displaying the resulting small bowel obstruction. We report a case of incomplete small bowel obstruction in a 38-year-old woman, caused by a mushroom bezoar in the terminal ileum.

A Case of Afferent Loop Syndrome Treated by Endoscopic Drainage Procedure using Nasogastric Tube / 대한소화기학회지

Afferent loop syndrome is an uncommon complication which occurs in patients with Billroth II partial gastrectomy. Clinically, the diagnosis of afferent loop syndrome may be difficult to establish and thus, depends on the finding of computed tomography, abdominal ultrasound, barium studies and hepatobiliary scan. When the diagnosis is made, most of the cases are treated by surgical operation. We present a case of 67-year-old male patient with afferent loop syndrome associated with acute pancreatitis which was treated by endoscopic drainage procedure using a nasogastric tube.

A case of Hashimoto's thyroiditis coexisting with thyroid papillary and follicular carcinoma / 대한내과학회지

We report here on a rare case of papillary and follicular carcinoma of the thyroid gland that developed in a 31 years old woman who was previously diagnosed with Hashimoto's thyroiditis. Her chief complaint was a palpable neck mass. The antimicrosomal and antithyroglobulin antibody levels were elevated. Ultrasonography of the left thyroid gland revealed a 2.5x2.0 cm sized thyroid nodule. Fine needle aspiration biopsy of the thyroid nodule was done and this was diagnosed as Hashimoto's thyroiditis. There was no evidence of thyroid cancer. After 1 year, thyroid ultrasonography and biopsy were repeated for examining an enlarged thyroid nodule. Total thyroidectomy was then performed. The histopathologic examination revealed that the right and left thyroid glands were in accordance with the diagnosis of papillary and follicular cancer, respectively. Until now, no known case of simultaneous papillary and follicular carcinoma in Hashimoto's thyroiditis has been reported. This case suggests that adequate follow up for Hashimoto's thyroiditis patients with thyroid nodule may help the early detection and management of thyroid cancer.

Effect of Propranolol on Portal Pressure and Systemic Hemodynamics in Patients with Liver Cirrhosis and Portal Hypertension: A Prospective Study

BACKGROUND/AIMS: Propranolol can prevent variceal bleeding by ameliorating portal hypertension. We conducted this study to determine the effect of propranolol on portal hypertension and the optimal required dose in Korean cirrhotic patients. METHODS: This study prospectively evaluated 50 patients with cirrhosis who exhibited variceal bleeding. The hepatic venous pressure gradient (HVPG), portal venous flow, heart rate (HR), and blood pressure were assessed both at baseline and at 3 months after the treatment. The initial dose of propranolol (20 mg) was subsequently adjusted until the target HR was reached. Patients in whom HVPG reduced by >20% or to less than 12 mmHg were defined as responders. RESULTS: Propranolol significantly (p<0.01) reduced the HVPG (-21+/-26%, mean+/-standard deviation), portal venous flow (-25+/-21%), HR (-20+/-13%), and blood pressure (-3+/-13%). Twenty-nine patients were responders, and the optimal required dose was 154.4 mg. The main complication was dizziness (24%), but this was not serious enough to require medication withdrawal. CONCLUSIONS: Propranolol is safe and effective at reducing portal pressure in Korean cirrhotic patients. An effective improvement in portal hypertension requires the dose to be increased until the target HR is reached.

Interequipment Variability of Doppler Ultrasonographic Indices in Patients with Liver Cirrhosis / 대한간학회지

BACKGROUNDS/AIMS: Doppler ultrasongraphy is used to evaluate hemodynamic alternations in patients with liver cirrhosis. Purpose of this study was to determine the interequipment variability of Doppler indices in portal and splenic vein in cirrhosis. METHODS: Blood velocity, diameter, flow and congestive index in portal and splenic vein were measured by Doppler ultrasonography in 30 patients with cirrhosis using two different machines. RESULTS: Portal venous velocities measured by HDI-5000 and SSD-5000 were 8.72+/-3.69 cm/sec, 12.21+/-2.84 cm/sec, respectively which showed significant difference (P<0.001). Measured portal blood flows and congestive indices also had significant difference between HDI-5000 and SSD-5000 (P<0.01). Splenic venous velocity by HDI-5000 was 8.55+/-2.71 cm/sec, which was lower than that of 12.32+/-3.11 cm/sec by SSD-5000 (P<0.001). Splenic blood flows measured by HDI-5000 and SSD-5000 were 390.73+/-260.98 mL/min, 595.01+/-346.53 mL/min, respectively, showing significant difference (P=0.015). However, no differences were in the diameters of portal and splenic vein between HDI-5000 and SSD-5000. CONCLUSION: Doppler indices in portal and splenic vein showed significant interequipment variability. Therefore, in liver cirrhosis, hemodynamic investigations using different Doppler ultrasonographic machines is inappropriate.

Effect of Endoscopic Sclerotherapy Using N-butyl-2-cyanoacrylate in Patients with Gastric Variceal Bleeding / 대한간학회지

BACKGROUND/AIMS: Gastric variceal bleeding is a severe complication of cirrhosis, and it has a high mortality rate. This study was conducted to evaluate the efficacy of n-butyl-2-cyanoacrylate injection therapy for patients suffering with gastric variceal bleeding. METHODS: A total of 86 patients diagnosed with gastric variceal bleeding underwent endoscopic n-butyl-2-cyanoacrylate (Histoacryl(R)) injection therapy at our department between April, 2002 and July, 2005, with a mean follow-up period of 44 weeks (range: 2 to 136 weeks). The initial hemostasis rate and the rebleeding rate of endoscopic sclerotherapy were analyzed. Also, the cumulative survival rate was analyzed according to the status of hepatocellular carcinoma and hyponatremia, the MELD score, the Child-Pugh score and the amount of injected Histoacryl(R). RESULTS: The initial hemostasis rate of Histoacryl(R) injection therapy was 93% and the 1 month rebleeding rate was 16.1%. The total number of session for treating the initial hemostasis was 1.2+/-0.4 and the total volume of Histoacryl(R) was 2.7+/-1.2 mL. The cumulative rebleeding-free rates for the patients treated by the Histoacryl(R) injection method at 1 month, 12 months and 34 months period were 95.1%, 83.2% and 74%, respectively. The cumulative survival rates were 78.3% at 1 month, 61.9% at 12 months and 54.6% at 34 months, respectively. No thromboembolic phenomenon occurred. According to the Cox's proportional hazards analysis, only the MELD score (<15) was an independent predicting factor for survival of the patients with gastric variceal bleeding. CONCLUSIONS: Endoscopic sclerotherapy using n-butyl-2-cyanoacrylate was a safe and effective hemostatic method for patients with gastric variceal bleeding. Also, the MELD score (<15) contributed to predicting survival of the patients with gastric variceal bleeding.