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The Role of Sonography in Patients with Breast Cancer Presenting as an Axillary Mass
SunYoungPark,Eun-KyungKim,KiKeunOh,KyongSikLee,Byeong-WooPark 대한영상의학회 2002 Korean Journal of Radiology Vol.3 No.3
Objective: To compare sonography and mammography in terms of their diagnostic value in breast cancer cases which initially presented as an axillary mass without a palpable mass or other clinical symptoms. Materials and Methods: Seven patients with enlarged axillary lymph nodes who first presented with no evidence of palpable breast lesions and who underwent both mammography and sonography were enrolled in this study. In six of the seven, the presence of metastatic adenocarcinoma was confirmed preoperatively by axillary needle aspiration biopsy; in four, subsequent sonographicallyguided breast core biopsy performed after careful examination of the primary site indicated that primary breast cancer was present. In each case, the radiologic findings were evaluated by both breast sonography and mammography. Results: Breast lesions were detected mammographically in four of seven cases (57%); in three of the four, the lesion presented as a mass, and in one as microcalcification. In three of these four detected cases, fatty or scattered fibroglandular breast parenchyma was present; in one, the parenchyma was dense. In the three cases in which lesions were not detected, mammography revealed the presence of heterogeneously dense parenchyma. Breast sonography showed that lesions were present in six of seven cases (86%); in the remaining patient, malignant microcalcification was detected at mammography. Final pathologic examination indicated that all breast lesions except one, which was a ductal carcinoma in situ, with microinvasion, were infiltrating ductal carcinomas whose size ranged from microscopic to greater than 3 cm. At the time of this study, all seven patients were alive and well, having been disease free for up to 61 months after surgery. Conclusion: In women with a palpable axillary mass confirmed as metastatic adenocarcinoma, breast sonography may be a valuable adjunct to mammography.
권강범,Eun-KyungKim,신병철,Eun-ASeo,Jeong-YehYang,Do-GonRyu 생화학분자생물학회 2003 Experimental and molecular medicine Vol.35 No.2
Herba houttuyniae has been used as a constituent of herval medicine prescriptions for the treatment present study, we investigated the celular efects of herba houttuyniae extract (HE) and the signal pathways of HHE-induced apoptosis in HL-60 hu-man promyelocytic leukemia cell line. HHE treat-ment caused apoptosis of cels as evidenced by discontinuous fragmentation of DNA, the los of mitochondrial membrane potential, release of mi-tochondrial cytochrome c into the cytosol, activa-tion of procaspase-9 and caspase-3, and proteo-lytic cleavage of poly(ADP-ribose) polymerase. inhibitor, or cyclosporin A, a mitochondrial per-meability transition inhibitor, completely abolished HHE-induced DNA fragmentation. Together, these results suggest that HE possibly causes mito-chondrial damage leading to cytochrome c release into cytosol and activation of caspases resulting in PARP cleavage and execution of apoptotic cel death in HL-60 cells.