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1.  Should we still use Camitta's criteria for severe aplastic anemia? 
The Korean Journal of Hematology  2012;47(2):126-130.
Background
The criteria by Camitta for diagnosis in severe aplastic anemia (SAA) has been used since 1976. However, there has been no attempt to verify the Camitta's criteria, that the survival in patients with SAA may differ by absolute neutrophil count (ANC), platelet count (PLT), and corrected reticulocyte count (CRC), which are components of the Camitta's criteria.
Methods
117 SAA patients diagnosed by the Camitta's criteria were analyzed, retrospectively. Univariate and multivariate analyses were used to evaluate the factors affecting overall survival (OS).
Results
Response by immunosuppressive therapy (IST) or stem cell transplantation (SCT) significantly affected OS (P=0.001). Therefore, we excluded treatment responders for analysis. Finally, 92 SAA patients including treatment non-responders by IST or SCT and conservative care group were analyzed by using univariate and multivariate analyses. The median age of analyzed patients was 54.5 years. Male to female ratio was 1:1. The median follow-up duration was 74.23 months (range, 54.71-93.74 months). The median ANC, PLT, and CRC were 394/µL, 12,000/µL, and 0.39%, respectively. In multivariate analyses, ANC <500/µL or ≥500/µL (P=0.015, HR 2.694, 95% CI: 1.20-6.01) and age (P=0.015, HR 1.022, 95% CI: 1.00-1.04) were the significant factors for OS.
Conclusion
ANC could be an essential, not an optional criterion for diagnosing SAA. This study suggests the possibility that the Camitta's criteria be modified. Studies in large cohorts are needed to transform the Camitta's criteria.
doi:10.5045/kjh.2012.47.2.126
PMCID: PMC3389061  PMID: 22783359
Camitta's criteria; Severe aplastic anemia; Absolute neutrophil count
2.  A Case of Balsalazide-Induced Limited Form of Granulomatosis with Polyangiitis with Bronchiolitis Obliterans Organizing Pneumonia-like Variant in Ulcerative Colitis 
5-Aminosalicylate agents are the main therapeutic agents for ulcerative colitis. Balsalazide is a prodrug of 5-aminosalicylate and has fewer side effects than the other 5-aminosalicylate agents. Pulmonary complications resembling granulomatosis with polyangiitis in ulcerative colitis are extremely rare. Here, we report a patient with ulcerative colitis on balsalazide presenting respiratory symptoms and multiple pulmonary nodules from a chest radiography that was pathologically diagnosed with a limited form of granulomatosis with polyangiitis with bronchiolitis obliterans organizing pneumonia-like variant. To our knowledge, this is the first report of a balsalazide-induced limited form of granulomatosis with polyangiitis with bronchiolitis obliterans organizing pneumonia-like variant.
doi:10.4046/trd.2012.72.3.323
PMCID: PMC3510283  PMID: 23227073
Balsalazide; Wegener Granulomatosis; Colitis, Ulcerative
3.  A Phase II Study of Modified FOLFOX4 for Colorectal Cancer Patients with Peritoneal Carcinomatosis 
Purpose
Peritoneal carcinomatosis (PC) of colorectal cancer (CRC) is common and is the second most common cause of death. Clinical studies regarding chemotherapy for CRC with PC have been classically rather limited in scope. We evaluated the efficacy of modified oxaliplatin, leucovorin, and fluorouracil (m-FOLFOX4) regimen for PC of CRC origin.
Materials and Methods
CRC patients with PC were treated with cycles of oxaliplatin at 85 mg/m2 on day 1, leucovorin 20 mg/m2 followed by 5-fluorouracil (5-FU) via a 400 mg/m2 bolus and a 22 hours continuous infusion of 600 mg/m2 5-FU on days 1-2 at 2-week intervals.
Results
Forty patients participated in this study. Median age was 55 years. Thirty-two patients (80.0%) received previous operation, and 60.0% of PC occurred synchronously. Thirty-five patients (87.5%) were assessable and exhibited measurable lesions. Two patients (5.7%) demonstrated complete response and five patients (14.3%) showed partial response. The median time to progression was 4.4 months (95% confidence interval, 2.5 to 6.3 months), the median overall survival time was 21.5 months (95% confidence interval, 17.2 to 25.7 months). There was no treatment related death. Presence of liver metastasis (p=0.022), performance status (p=0.039), and carcinoembryonic antigen level (p=0.016) were related to the time to progression. Patients with low carcinoembryonic antigen level (37.2 months vs. 15.6 months, p=0.001) or good performance status (22.5 months vs. 6.8 months, p=0.040) showed better overall survival.
Conclusion
The m-FOLFOX4 regimen was determined to be effective for CRC patients with PC.
doi:10.4143/crt.2011.43.4.225
PMCID: PMC3253864  PMID: 22247707
Colorectal neoplasms; Peritoneum; Carcinoma; Drug therapy
4.  Clinical significance of anti-mitochondrial antibodies in a patient with chronic graft-versus-host disease following hematopoietic stem cell transplantation 
The Korean Journal of Hematology  2011;46(3):200-202.
Recent studies indicate that patients with chronic graft-versus-host disease (GVHD) are not expected to show positivity for anti-mitochondrial antibody (AMA), which is a specific disease marker for primary biliary cirrhosis (PBC). A differential diagnosis between PBC and hepatic involvement of GVHD based on clinical manifestations and pathologic study is difficult because both diseases show similar results. Therefore, the presence of AMA may be important for distinguishing each disease. Here, we report a case of hepatic involvement of chronic GVHD with positive AMA, in which the pathologic findings and initial presentation of clinical findings were compatible with both PBC and chronic GVHD.
doi:10.5045/kjh.2011.46.3.200
PMCID: PMC3208205  PMID: 22065977
Autoantibody; Anti-mitochondrial antibody; Chronic graft-versus-host disease; Hematopoietic stem cell transplantation
5.  Phase II Study of Vinorelbine Plus Trastuzumab in HER2 Overexpressing Metastatic Breast Cancer Pretreated with Anthracyclines and Taxanes 
Journal of Breast Cancer  2011;14(2):140-146.
Purpose
The role of first-line trastuzumab-based therapy has been firmly established in patients with human epidermal growth factor receptor-2 (HER2) positive metastatic breast cancer. In this trial, we evaluated the efficacy and safety of a vinorelbine and trastuzumab combination chemotherapy in patients who were pretreated with anthracyclines and taxanes.
Methods
Thirty-three patients with HER2 overexpressing metastatic breast cancer, all of whom had previously been treated with anthracyclines and taxanes, were included in this study. The patients were treated with 25 mg/m2 of vinorelbine (over a 15-minute infusion) on days 1 and 8 every 3 weeks. Additionally, trastuzumab was administered at an initial dose of 4 mg/kg over 90 minutes, and was subsequently administered at weekly doses of 2 mg/kg (over 30 minutes).
Results
The median age of the patients was 53 years (range, 39-72 years). The overall response rate was 30.3% (10 patients; 95% confidence interval [CI], 23-57%). The median time to progression was 6.8 months (95% CI, 5.3-8.2 months). The median overall survival was 12.4 months (95% CI, 10.3-14.6 months). In the 194 cycles of treatment, the incidence rates of grade ≥3 neutropenia and anemia were 7.2% and 1.0%, respectively. Neutropenic fever was detected in three cycles (1.5%). The non-hematological toxicities were not severe: grade 1 or 2 nausea or vomiting was detected in 15.2%, and grade 2 neuropathy was noted in 6.1% of patients. None of the patients experienced any serious cardiac toxicity, and no treatment-related deaths occurred.
Conclusion
These results show that a combination chemotherapy consisting of vinorelbine and trastuzumab is useful in patients with HER2-overexpressing metastatic breast cancer who were pretreated with anthracyclines and taxanes, with a favorable toxicity profile.
doi:10.4048/jbc.2011.14.2.140
PMCID: PMC3148545  PMID: 21847410
Breast neoplasms; Metastasis; Trastuzumab; Vinorelbine
6.  A Case of Cardiac Amyloidosis With Diuretic-Refractory Pleural Effusions Treated With Bevacizumab 
Korean Circulation Journal  2010;40(12):671-676.
Cardiac amyloidosis describes a clinical disorder caused by infiltration of abnormal insoluble fibrils in the heart, characterized by progressive heart failure and a grave prognosis. Pleural effusion in cardiac amyloidosis may represent a sign of heart failure, but it can also result from pleural infiltration of amyloid, manifested by recurrent large fluid accumulations. Recently, the role of vascular endothelial growth factor (VEGF) has been implicated in the pathogenesis of refractory pleural effusion. We report a case of a 53 year-old female patient with cardiac amyloidosis who presented with recurrent accumulation of large pleural effusions. She was initially treated with high dose loop diuretics, but the pleural effusion persisted, with the daily amount of drainage averaging 1 L/day. Accumulation of pleural fluid did not subside after 3 cycles of melphalan/prednisolone therapy. After the introduction of bevacizumab, an anti-VEGF antibody, the amount of pleural effusion decreased significantly. Efficacy of anti-VEGF therapy for refractory pleural effusions needs to be defined through further studies.
doi:10.4070/kcj.2010.40.12.671
PMCID: PMC3025342  PMID: 21267391
Heart disease; Amyloidosis; Pleural effusion; Bevacizumab

Results 1-6 (6)