- Xanthomatous Pseudotumor of the Breast: A Brief Case Report.
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Lee So Maeng, Se Jeong Oh, Kyoung Mee Kim, Anhi Lee, Chang Suk Kang
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Korean J Pathol. 2005;39(5):345-347.
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 Abstract
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- Inflammatory (xanthomatous) pseudotumors of the breast are very rare and this case is the first reported case in Korea.
A healthy, pregnant 29-year-old woman presented with a right breast mass. Ultrasonography of the breast revealed a 1.8 x 1.9 x 1.1 cm, sized lobulated, partially spiculated mass in the upper and outer quadrant of the breast. Macroscopically, the mass was well circumscribed, bright yellow, and lobulated. Microscopically, the tumor was composed of foamy histiocytes with multifocal neutrophilic infiltration, accompanying chronic inflammatory cellul infiltration, fibrosis and ductal-lobular atrophy.
- S Phase Kinase Associated Protein 2 Expression in Breast Cancer and Its Prognostic Implications.
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Eun Deok Chang, Eun Jung Lee, Se Jeong Oh, Chang Suk Kang
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Korean J Pathol. 2005;39(2):69-73.
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Abstract
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- BACKGROUND
S Phase Kinase Associated Protein 2 (Skp2), an F-box protein necessary for DNA replication, has recently been demonstrated to be an oncogene. The purpose of this study was to examine the Skp2 expression and to investigate its association with expressions of estrogen receptor (ER), androgen receptor (AR) and HER-2, as well as clinicopathological variables including tumor recurrence.
METHODS
The expressions of Skp2, ER and AR were examined by immunohistochemistry and HER-2 amplification by chromogenic in situ hybridization (CISH) in 117 cases of breast carcinoma.
RESULTS
Skp2 was expressed in 26 patients (22.2%) and was significantly correlated with tumor type (p=0.031), tumor grade (p=0.017) and ER expression (p=0.038). Twenty four (20.5%) of 117 patients had a tumor recurrence, and 6 patients (5.1%) died of multifocal metastases. Tumor recurrence was significantly correlated with histological grade (p=0.041) and lymph node status (p<0.001).
CONCLUSIONS
Although Skp2 expression was statistically insignificant in association with tumor recurrence, it might be useful as a biologic predictor in breast cancer. The simple and reliable immunohistochemical assay presented in this study can be a routine part of breast cancer evaluation and may influence patient management.
- Pathologic Diagnosis of Intestinal Tuberculosis in Endoscopic Biopsied Material.
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Kyoung Mee Kim, An Hi Lee, Kyu Yong Choi, Se Jeong Oh, Sang In Shim
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Korean J Pathol. 1997;31(8):754-764.
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- The clinicopathologic features and the comparative analysis of diagnostic methods in 42 patients having intestinal tuberculosis were studied. In all the cases, clinical and colonoscopic diagnosis was confirmed by histological examination. Abdominal pain was the most common symptom (54%). Twenty nine patients had active pulmonary tuberculosis which was confirmed by a chest X-ray, or an AFB smear and a culture of sputum. A transverse ulcer with surrounding hypertrophic mucosa and multiple erosion was the usual colonoscopic findings. The granulomas were usually located in the just upper and lower portion of muscularis mucosa. The direct smear and culture of the fresh biopsy material showed AFB in 11 (32.4%) and 12 cases (36.4%) respectively. Ziehl-Neelsen staining in serially sectioned slides from formalin-fixed, paraffin- embedded tissue revealed AFB in 15 cases (35.7%). An immunohistochemical stain for Mycobacterium bovis was done in all cases and 13 cases were positive (31%). A polymerase chain reaction (PCR) was done and showed positivity in 4 out of 20 cases of fresh biospy material and 12 out of 40 cases in paraffin embedded tissue. For the conclusive diagnosis of intestinal tuberculosis, a Ziehl-Neelsen stain is the most sensitive, fast, and cost-effective method. The diagnostic accuracy will be increased when other diagnostic methods such as tissue culture and PCR are coupled with this simple staining method.
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