Cystadenoma of the liver is a rare neoplasm. Although many cystadenomas are asymptomatic, symptoms can include abdominal pain, postprandial epigastric discomfort, and nausea. Dramatic changes in hepatic imaging techniques have been helpful for diagnosing cystic lesions of the liver, such as simple cyst, hydatid cyst, cystadenoma, cystadenocarcinoma, and metastatic neuroendocrine tumors. However, it remains difficult to differentiate cystadenoma from cystadenocarcinoma for multiseptated cystic hepatic lesions with papillary projection on computed tomography (CT) and magnetic resonance imaging (MRI). Here we report the case of a 47-year-old woman with several months of postprandial discomfort and abdominal fullness. CT and MRI revealed multiseptated cystic lesions with papillary excrescences. A left hemihepatectomy was performed. Histology showed a benign mucinous cystic tumor with ovarian-like stroma.
Abdominal Pain ; Cystadenocarcinoma ; Cystadenoma ; Cystadenoma, Mucinous ; Cystadenoma, Papillary ; Echinococcosis ; Female ; Humans ; Liver ; Magnetic Resonance Imaging ; Middle Aged ; Mucins ; Nausea ; Neuroendocrine Tumors

No abstract available in English.

Hemorrhagic fever with renal syndrom is an acute febrile disease which is caused by Hantanvirus and several other viruses that belong to the genus Hantavirus. Gl and G2 glycoproteins of Hantanvirus have been thought to be involved in protective immunity against Hantanvirus infection. In this study, the antigenicity of G1 and G2 glycoproteins in cell mediated immune response was investigated. When peripheral blood mononuclear cell fraction from recovered hemorrhagic fever with renal syndrome patient was cultivated with a recombinant protein containing amino-terminal 78 amino acids of G2 glycoprotein, these cells were activated to proliferate and secreted significant amount of interleukin-2 and interferon-r. These results suggest that T cell epitope exists in the amino-terminal region of G2 glycoprotein.
Amino Acids ; Epitopes, T-Lymphocyte ; Fever ; Glycoproteins* ; Hantavirus ; Hemorrhagic Fever with Renal Syndrome ; Humans ; Interleukin-2

The study wasdesigned for the evaluation of diagnostic usefulness of standard electro-oculography (EOG) battery in differentiating the vertigo of central origin from that of peripheral one. Twelve patients of definite posterior fossa lesion proved by MRI or CT scan were selected as a central group and fourteen patients of peripheral vestibulopathy as a peripheral group. Using our laboratory standard methods of EOG battery, age-matched normal valuse of bithermal caloric responses(fixation supperssion, vestibular paresis, and directional preponderance) and the gains of pursuit and optokinetic nystagmus were obtained. Abnormal vestibular paresis was found in 21 patients of the peripheral group, but in only one patient of the central. Directional preponderance did not show significant difference between the peripheral and central group (p<0.01). In peripheral group, the fixation suppression index (percent change in slow-phase velocity with visual fixation during the period of maximum intensity of caloric nystagmus) was 56.8+8.3%, p>0.01). However, failure of fixation suppression was noted in eleven patients of central group and its mean value of 92.6+7.3%, which was significant statistical difference compared with peripheral and control group (p<0.01 respectively). Defective suppression of caloric nystagmus was more remarkable when the direction of caloric nystagmus was induced toward the lesion site. Such findings were demonstrated in six patients of eight patients with definits unilateral cerebellar hemispheric lesions. In addition, the gains of pursuit and optokinetic nystagmus were significantly reduced in the patients showing defctive fixation suppression compared with whom showed normal pattern of fixation suppression (p<0.01). Therefore, fixation suppression, vestibular paresis, and the gains of pursuit and optokinetic nystagmus would be useful diagnostic paremeters in differntiaging the vertigo of central origin from that of the peripheral.
Electrooculography ; Humans ; Magnetic Resonance Imaging ; Nystagmus, Optokinetic ; Nystagmus, Physiologic ; Paresis ; Tomography, X-Ray Computed ; Vertigo*

Chymopapain was discovered by Jensen in 1941, and in 1963 Smith demonstrated the chondrolytic properties of chymopapain. Since then, many patients have been injected with this agent. Although there are evidences of neurotoxicity to chymopapain in animals, adverse effects in humans have rarely been reported. We present a case delayed onset of paraplegia after chymopapain chemonucleolysis and review the neurotoxicities to chymopapain.
Animals ; Chymopapain ; Humans ; Intervertebral Disc Chemolysis* ; Paraplegia*

No abstract available.
Aneurysm, False* ; Carotid Artery, Internal* ; Epistaxis*

STATEMETN OF PROBLEM: Surface alteration of the implant screws after function may be asso-ciated with mechanical failure. Theses metal fatigue appears to be the most common cause of structural failure. PURPOSE: The purpose of this study was to evaluate surface alteration of the implant screws after function through the examination of used and unused implant screws in SEM(scanningelectron microscope). MATERIAL AND METHODS: In this study, abutment screws(Steri-oss, 3i), gold retaining screw(3i) and titanium retaining screw(3i) were retrieved from patients. New, unused abutment and retain-ing screws were prepared for control group. Each of the old, used screws was retrieved with a screwdriver. And retrieved implant complex of Steri-oss system was prepared for this study. Then, SEM investigation and EDS analysis of abutment and retaining screws were per-formed. And SEM investigation of cross-sectioned sample of retrieved implant complex was performed. RESULTS: In the case of new, unused implant screws, as maunfactured circumferential grooves are regularly examined and screw thread are sharply remained. Before ultrasonic cleans-ing of old, used implant screw, a lot of accumulation and corrosion products were existed. After ultrasonic cleansing of old, used implant screws, circumferential grooves as examined before function were randomly deepened and scratches increased. Also, dull screw thread was examined. More surface alterations after function were examined in titanium screw than gold screw. And more surface alteration was examined when retrieved with driver than retrieved without driver. CONCLUSIONS: These surface alteration after function may result in the screw instability. Regularly cleansing and exchange of screws was recommended. We recommend the use of gold screw rather than titanium screw, and careful manipulation of the driver.
Corrosion ; Fatigue ; Humans ; Titanium ; Ultrasonics

20-40% of cases of acute transverse myelitis are attributed to viral infections, although the specific viral etiology is only rarely identified. We have studied one patient with transverse myelitis in association with acute hepatitis B virus infection. Hepatitis virus should be considered as rare cause of transverse myelitis.
Hepatitis B virus* ; Hepatitis B* ; Hepatitis Viruses ; Hepatitis* ; Humans ; Myelitis, Transverse*