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Seungkoo Lee 4 Articles
Sarcomatoid Carcinoma of the Gallbladder with Pure Squamous Cell Carcinoma: A Brief Case Report.
Seungkoo Lee, Song Yi Kim, Seong Kweon Hong
Korean J Pathol. 2011;45(2):209-211.
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  • 17 Download
  • 1 Citations
AbstractAbstract PDF
We report here on a rare case of sarcomatoid carcinoma that contained an epithelial component of squamous cell carcinoma. A 77-year-old woman was found to have a gallbladder mass. The gallbladder showed a diffuse infiltrative wall mass with a polypoid lesion, and the mass measured 8x7x3 cm. There were no gallstones. Histologically, the tumor was composed of two components of squamous cell carcinoma and spindle cell malignancy. The tumor extended to the perimuscular connective tissue and one regional lymph node. The postoperative course was uneventful and the patient was well without tumor recurrence at one and a half months after surgery.


Citations to this article as recorded by  
  • Carcinosarcoma of gallbladder: A world review
    Thomas Zheng Jie Teng, Branden Qi Yu Chua, Vishal G Shelat
    World Journal of Clinical Oncology.2021; 12(12): 1244.     CrossRef
Sarcoidosis Associated with Adenocarcinoma of the Lung: A Case Report.
Joon Seon Song, Seungkoo Lee, Yong Hee Kim, Se Jin Jang
Korean J Pathol. 2008;42(2):108-112.
  • 1,862 View
  • 26 Download
AbstractAbstract PDF
Sarcoidosis and malignant neoplasm are frequently encountered pulmonary diseases, but their combined existence in the same patient is rare. As sarcoidosis usually presents as mediastinal lymphadenopathy, its concurrence in lung cancer patient radiologically mimics mediastinal metastasis and this can be possibly interpreted as unresectable disease. We report here on a case of lung adenocarcinoma associated with sarcoidosis that developed in a 64 year-old male who underwent surgical resection. Radiological examinations revealed 5.7 cm-sized mass in the right upper lobe with an enlargement of the bilateral supraclavicular, highest mediastinal, subcarinal and the upper and lower paratracheal lymph nodes. Histologic examination showed a well differentiated adenocarcinoma with non-caseating epithelioid granulomas in the lung. The enlarged peribronchial and mediastinal lymph nodes also revealed sarcoid granulomas without cancer metastasis. A good prognosis may be expected for those cases of lung cancers with non-caseating granulomas in the regional lymph nodes. The patient presently has no symptoms or signs of tumor, without further treatment since his surgery.
Anterior Neck Approach for 4-vessel Occlusion in Rats: A Study for Immunohistological Changes and the Effects of Aminoguanidine on Neuronal Cell Death in the Hippocampus.
Young Jun Ahn, Ki Young Choi, Gu Kang, Yong Seok Kim, Seungkoo Lee, Il Young Cheong, Keun Woo Kim
Korean J Pathol. 2007;41(6):393-405.
  • 1,327 View
  • 16 Download
AbstractAbstract PDF
Clinically relevant cerebral ischemia is encountered most frequently as a cardiac arrest or as single or multiple occlusions of the intracranial or extracranial cerebral arteries. Yamaguchi et al. has introduced a one-stage anterior approach to occlude the common carotid arteries (CCAs) and vertebral arteries (VAs).
We used a 2-stage anterior approach for producing transient global ischemia by 4-vessel occlusion (4-VO). Four to five days after electrocauterization of two VAs using the anterior neck approach, two CCAs were clipped for 10 min under anesthesia. Aminoguanidine (100 mg/kg) was administered intraperitoneally immediately after 4-VO, and then twice a day for three consecutive days. Cresyl violet staining and immunohistochemical analysis for the expression of GFAP, CD11b, nitrotyrosine, iNOS, and Bax were performed, using brain slices obtained from the rats that were sacrificed 1, 3, 5 and 7 days after reperfusion.
Aminoguanidine reduced neuronal cell death in the CA1 region of the hippocampus. Expression of GFAP, CD11b, nitrotyrosine, iNOS, and Bax were significantly increased in the CA1 region of the hippocampus three days after 4-VO.
We believe that modified 4-VO is a good method to study transient forebrain ischemia as it is simple and inexpensive to perform and can be utilized without stereotaxis, a pivoting dissection microscope, EEG, a laser flowmeter or the use of Mongolian gerbils.
Clinicopathologic Analysis of Epidermal Growth Factor Receptor Status in Non-small Cell Lung Cancer: Protein Expression, Gene Amplification and Survival Analysis.
Seungkoo Lee, Jene Choi, Se Jin Jang
Korean J Pathol. 2007;41(6):387-392.
  • 1,362 View
  • 15 Download
AbstractAbstract PDF
Abnormal over-expression or gene amplification of epidermal growth factor receptor (EGFR) is important in the prognosis of non-small cell lung cancer (NSCLC). We investigated the frequency of EGFR protein expression and gene amplification, and the correlation between EGFR status and survival in NSCLC.
We examined 360 cases of microarrayed NSCLC tissues for the EGFR protein expression and EGFR gene amplification using immunohistochemistry and fluorescent in situ hybridization.
EGFR protein expression and EGFR gene amplification occurred in 110 cases (30.6%) and 24 cases (6.7%), respectively. EGFR protein expression and gene amplification were more frequent in squamous cell carcinoma than in adenocarcinoma. Differences in EGFR protein expression did not dramatically affect survival curves (p=0.740), but differences in gene amplification did (p<0.05): EGFR gene amplification was associated with a lower 5-year survival rate.
EGFR protein expression and gene amplification showed moderate correlation with each other. EGFR gene amplification predicted a poor prognosis, whereas EGFR protein expression did not.

JPTM : Journal of Pathology and Translational Medicine