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1.  The role of chemotherapy and/or octreotide in patients with metastatic gastroenteropancreatic and hepatobiliary neuroendocrine carcinoma 
Background
Neuroendocrine carcinomas (NECs) of the gastro-entero-pancreatic (GEP) and hepatobiliary (HB) tract are rare and a heterogenous group of malignancies. Octreotide showed the anti-tumor activity in functional and nonfunctional well differentiated metastatic midgut neuroendocrine tumors (NETs). However, the effect of octreotide on survival has not been evaluated.
Patients and methods
We analyzed 17 patients (6 HB- and 11 GEP- tract) with metastatic NEC diagnosed between January 2009 and June 2012. All patients had one or more cytotoxic chemotherapy and nine patients had received octreotide as single agent (n=3) or combination of cytotoxic chemotherapy (n=6).
Results
The median age was 68 years (range, 23-79 years) and median Eastern Cooperative Oncology Group performance status (ECOG PS) was 1. Sixteen of all patients (n=17) received cytotoxic chemotherapy with or without octreotide as the first line therapy and 10 of 16 patients who experienced disease progression to the first line therapy received the second line therapy. Overall response rates (RR) and disease control rates (DCR) to the 1st line therapy were 41.2% and 76.5%, respectively. The median overall survival (OS) was 16 months [95% confidence interval (CI), 12.8-19.2] and the median OS in patients receiving octreotide during treatment was 40.2 months. In univariate analysis, any clinico-pathologic features including sex, the location of primary tumor, the number of metastatic sites, the debulking operation and the liver metastasis did not have prognostic value regarding OS. However, the use of octreotide offered favorable trend for OS (P=0.091).
Conclusions
The use of octreotide may benefit for patients with GEP- and HB- NECs as a single agent or a combination therapy.
doi:10.3978/j.issn.2078-6891.2014.075
PMCID: PMC4226820  PMID: 25436125
Neuroendocrine carcinoma (NEC); neuroendocrine tumor (NET); octreotide
2.  Successful treatment of disseminated interdigitating dendritic cell sarcoma with adriamycin, bleomycin, vinblastine, and dacarbazine chemotherapy 
The Korean Journal of Hematology  2012;47(2):150-153.
Interdigitating dendritic cell sarcoma (IDCS) is a very rare and aggressive neoplasm that arises from antigen presenting cells. IDCS usually involves lymph nodes; however, extra-nodal involvement has also been reported. Because a consistent standard therapy for IDCS has not been established to date, we report a case of the successful treatment of disseminated IDCS using ABVD chemotherapy (doxorubicin, bleomycin, vinblastine, and dacarbazine). A 64-year-old man was diagnosed with IDCS on the basis of immunohistochemical findings of a biopsy specimen of the inferior nasal concha. Immunohistochemical staining showed a positive reaction for CD68, leukocyte common antigen, and S-100 protein, but a negative reaction for CD34, CD1a, and CD21. Imaging studies showed cervical and axillary lymphadenopathies, subcutaneous nodules, and a soft tissue lesion in the nasal cavity. Treatment with the ABVD regimen resulted in complete remission after 8 cycles of chemotherapy.
doi:10.5045/kjh.2012.47.2.150
PMCID: PMC3389066  PMID: 22783364
IDCS; ABVD chemotherapy; Complete remission

Results 1-2 (2)