No abstract available.
9,10-Dimethyl-1,2-benzanthracene* ; Animals ; Breast Neoplasms* ; Breast* ; Estrogens* ; Rats*

PURPOSE: Percutaneous needle aspiration biopsy under the imaging guidance in the diagnosis of intrathoracic diseases has become a standard practice. Core tissue obtained by automated gun biopsy(AGB) is believed to be more diagnostic than materials from fine needle aspiration(FNA) by many cytopathologists. The authors evauated the role of automated gun biopsy in localized pulmonary lesions with respect to the its accuracy and complications. MATERIALS AND METHODS: We performed 107 percutaneous biopsies in localized pulmonary lesions under fluoroscopic guidance among 107 patients:AGB using 18G or 20G was done in 81 patients, and both AGB and FNA was done in 26 patients. RESULTS: Biopsy samples sufficient for histologic diagnosis were obtained in 94(87.9%) of 107 patients, AG8 in 73(90.1%) of 81 patients and AGB and FNA in 21(80.8%) of 26 patients. 11 of 13 negative results were due to inadeguate specimen size for the histologic diagnosis or were composed of necrotic areas, and 2 of 13 negative results were obtained through nontarget tissue. 10 patients developed pneumothorax and 4 of them required chest tube insertion. Minimal hemoptysis was found in 3 patients. CONCLUSION: Percutaneous automated gun biopsy under fluoroscopic guidance was easy and simple method of obtaining specimens of good quality and quantity. It may be an useful procedure in the diagnosis of localized pulmonary lesions.
Biopsy* ; Biopsy, Needle ; Chest Tubes ; Diagnosis ; Hemoptysis ; Humans ; Needles ; Pneumothorax

PURPOSE: Percutaneous needle aspiration biopsy under the imaging guidance in the diagnosis of intrathoracic diseases has become a standard practice. Core tissue obtained by automated gun biopsy(AGB) is believed to be more diagnostic than materials from fine needle aspiration(FNA) by many cytopathologists. The authors evauated the role of automated gun biopsy in localized pulmonary lesions with respect to the its accuracy and complications. MATERIALS AND METHODS: We performed 107 percutaneous biopsies in localized pulmonary lesions under fluoroscopic guidance among 107 patients:AGB using 18G or 20G was done in 81 patients, and both AGB and FNA was done in 26 patients. RESULTS: Biopsy samples sufficient for histologic diagnosis were obtained in 94(87.9%) of 107 patients, AG8 in 73(90.1%) of 81 patients and AGB and FNA in 21(80.8%) of 26 patients. 11 of 13 negative results were due to inadeguate specimen size for the histologic diagnosis or were composed of necrotic areas, and 2 of 13 negative results were obtained through nontarget tissue. 10 patients developed pneumothorax and 4 of them required chest tube insertion. Minimal hemoptysis was found in 3 patients. CONCLUSION: Percutaneous automated gun biopsy under fluoroscopic guidance was easy and simple method of obtaining specimens of good quality and quantity. It may be an useful procedure in the diagnosis of localized pulmonary lesions.
Biopsy* ; Biopsy, Needle ; Chest Tubes ; Diagnosis ; Hemoptysis ; Humans ; Needles ; Pneumothorax

PURPOSE: To report a case of herpes simplex keratitis after descemet stripping automated endothelial keratoplasty (DSAEK). CASE SUMMARY: A 66-year-old male underwent DSAEK in his right eye due to bullous keratopathy after cataract surgery. The corneal epithelium which was removed during surgery was healed, but the patient was experiencing pain and decreased visual acuity in his right eye 1 month after surgery. Increasing corneal epithelial defects and corneal edema were observed on slit-lamp examination. Therapeutic soft contact lenses and artificial tears were used for treatment but were not effective, thus amniotic membrane transplantation was performed. Three months after transplantation, the epithelial defect appeared as a geographic ulcer suspecting to be herpes simplex keratitis; therefore, ganciclovir ophthalmic ointment and oral acyclovir were administered. Six months after antiviral therapy, the epithelial lesion of herpes simplex keratitis completely disappeared, leaving only mild corneal opacity. CONCLUSIONS: If corneal epithelial defects are persistent after DSAEK in patients even with no past history of herpes simplex keratitis, herpes simplex keratitis should be considered in the differential diagnosis.
Acyclovir ; Aged ; Amnion ; Cataract ; Contact Lenses, Hydrophilic ; Corneal Edema ; Corneal Transplantation ; Diagnosis, Differential ; Epithelium, Corneal ; Eye ; Ganciclovir ; Herpes Simplex ; Humans ; Keratitis, Herpetic ; Male ; Methylmethacrylates ; Ophthalmic Solutions ; Polystyrenes ; Transplants ; Ulcer ; Visual Acuity

Posterior reversible encephalopathy syndrome (PRES) is a newly described adverse effect possibly associated with gonadotropin-releasing hormone (GnRH) agonist therapy. We report a case of PRES after 2 doses of depot GnRH agonists in a 44-year-old woman with a huge myoma uteri and iron-deficiency anemia. Brain magnetic resonance imaging showed high signal lesions in both occipital lobes on fluid-attenuated inversion-recovery (FLAIR) images, compatible with PRES. After treatment with anticonvulsant, she recovered both radiographically and clinically. The association between PRES and GnRH agonist use is still enigmatic, and thus should be further clarified.
Adult ; Anemia, Iron-Deficiency ; Brain ; Brain Diseases ; Female ; Gonadotropin-Releasing Hormone* ; Humans ; Leuprolide ; Magnetic Resonance Imaging ; Myoma ; Occipital Lobe ; Posterior Leukoencephalopathy Syndrome* ; Uterus

No abstract available.
Adult* ; Femur* ; Humans

Gastrectomy or vagotomy may result in reactive hypoglycemia, which, in some cases, can reduce the plasma glucose levels to 30~40 mg/dL due to rapid digestion and absorption of food, especially carbohydrate. We treated the patient with frequent episode of severe hypoglycemia. Reactive hypoglycemia is caused by an excessive insulin secretion after a sharp rise in plasma glucose. He had undergone total gastrectomy due to stomach cancer 4 years before. Since nutritional treatment did not successfully manage his reactive hypoglycemia, an alpha-glucosidase inhibitor, voglibose was administered. His hypoglycemic symptoms disappeared and a rapid change of plasma glucose and insulin levels were attenuated after the alpha-glucosidase inhibitor treatment. The effects of alpha-glucosidase inhibitor were documented in a 5-hour oral glucose tolerance test, where not only insulin and C-peptide rise was clearly attenuated, but also the blood glucose concentration did not fall low enough to induce hypoglycemic symptoms. This therapy was very effective and the patient has not had any recurrence of reactive hypoglycemia since the initiation of the therapy.
Absorption ; alpha-Glucosidases* ; Blood Glucose ; C-Peptide ; Digestion ; Gastrectomy ; Glucose Tolerance Test ; Humans ; Hypoglycemia* ; Insulin ; Recurrence ; Stomach Neoplasms ; Vagotomy

PURPOSE: The goal of this study was to develop a technique for creating a computerized composite maxillofacial-dental model, based on point-based surface best fit algorithm and to test its accuracy. The computerized composite maxillofacial-dental model was made by the three dimensional combination of a 3-dimensional (3D) computed tomography (CT) bone model with digital dental model. MATERIALS AND METHODS: This integration procedure mainly consists of following steps : 1) a reconstruction of a virtual skull and digital dental model from CT and laser scanned dental model ; 2) an incorporation of dental model into virtual maxillofacial-dental model by point-based surface best fit algorithm; 3) an assessment of the accuracy of incorporation. To test this system, CTs and dental models from 3 volunteers with cranio-maxillofacial deformities were obtained. And the registration accuracy was determined by the root mean squared distance between the corresponding reference points in a set of 2 images. RESULTS AND CONCLUSIONS: Fusion error for the maxillofacial 3D CT model with the digital dental model ranged between 0.1 and 0.3 mm with mean of 0.2 mm. The range of errors were similar to those reported elsewhere with the fiducial markers. So this study confirmed the feasibility and accuracy of combining digital dental model and 3D CT maxillofacial model. And this technique seemed to be easier for us that its clinical applicability can good in the field of digital cranio-maxillofacial surgery.
Congenital Abnormalities ; Dental Models ; Fiducial Markers ; Skull

This experiment involved 12 rabbits of both sexes, weighing 2.1 kg. After anesthesia, the kidneys were exposed, isolated and cannulated in the renal artery, ureter and sometimes in the vein as well. The kidney were perfused through the renal artery with Krebs-Henseleit solution, which were then filtered to be free of particles, gased with 95% O2-5% CO2, and kept at 37 degrees C. We measured RBCs concentrations by means of Coulter Counter in the venous outflow collected, and plotted them against the volume perfused. Using 2 different flow rates, 9 ml/min (group I) and 19 ml/min (group II), we found that the RBCs decreased in a multiexponential decay fashion and a biophysical model for each flow rate was constructed. These models indicated that there were more cell stores (2.20 x 10(10)) in the fast compartment of group II than in group I (1.72 x 10(10)). This difference is not statistically significant, but certainly coincides with urine flow collected from ureter cannula during perfusion. Our present data clearly suggest that in order to clear 99% blood cells out of 10-12 gm rabbit kidneys, at least 3-6 ml of cell free perfusate is required while clearing the whole blood cells out of human kidneys (200-240 gm) may need 600 ml or more. Thus, we recommend that at least 600 ml of perfusate should be used to clear most of the blood cells in the renal vasculature before renal transplantation is performed.
Animal ; Erythrocyte Count ; Erythrocytes/*physiology ; Female ; In Vitro ; Kinetics ; Male ; Models, Biological ; Perfusion ; Rabbits ; *Renal Circulation ; Support, Non-U.S. Gov't

PURPOSE: As one of the new chemotherapeutic agents, gemcitabine is widely used as a four-week schedule in combination with cisplatin in the treatment of advanced non-small-cell lung cancer (NSCLC). In this study, we evaluated the efficacy, tolerance, and survival effect of this combination in a three-week schedule in patients with locally advanced inoperable or metastatic NSCLC. MATERIALS AND METHODS: Between January 2000 and September 2002, previously untreated 124 NSCLC patients were enrolled and 118 patients, who completed at least two cycles of chemotherapy, were evaluated. Patients received gemcitabine 1200 mg/m2 on days 1 and 8, cisplatin 75 mg/m2 on day 1 of a 21-day cycle, for a maximum of 6 cycles. RESULTS: They were 81 men and 37 women. Clinical stage IIIB was present in 56 (47.5%), and stage IV in 62 (52.4%) patients. Sixty-seven patients (56.8%) had a performance status of ECOG grade 0 or 1 and fifty-one patients (43.2%) of grade 2. During the period of chemotherapy, grade 3/4 leukopenia and neutropenia were observed in 19.5% and 31.4%, respectively and grade 3/4 thrombocytopenia in 7.6%. The overall response rate was 52.5% among the 118 patients. Overall median survival time was 12.2 months, and one-year and two-year survival rates were 50.2% and 20.4% respectively. The presence of response to chemotherapy, ECOG performance status of grade 0~1, and women showed better survival by the univariate analysis (p=0.010, 0.001 and 0.015, respectively). CONCLUSION: A three weekly gemcitabine/cisplatin doublet was relatively well tolerated, with an acceptable response rate and a reasonable median survival in locally advanced inoperable or metastatic NSCLC.
Appointments and Schedules ; Cisplatin* ; Drug Therapy* ; Female ; Humans ; Leukopenia ; Lung Neoplasms* ; Lung* ; Male ; Neutropenia ; Survival Rate ; Thrombocytopenia