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JYMS : Journal of Yeungnam Medical Science

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7 "Immunohistochemistry"
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Case Report
Mammary Paget’s disease without underlying malignancy of the breast
Nuri Jang, Suhwan Kang, Young Kyung Bae
Yeungnam Univ J Med. 2018;35(1):99-103.   Published online June 30, 2018
DOI: https://doi.org/10.12701/yujm.2018.35.1.99
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  • 4 Crossref
AbstractAbstract PDF
Mammary Paget’s disease (MPD) is usually accompanied by underlying breast malignancy; however, a few cases have been reported as only skin lesions without any evidence of malignancy of the breast on imaging tests and microscopic examination of surgical specimen. Here, we describe a 47-year-old woman who visited our hospital who had an eczematous lesion on right nipple and areola for over 10 years. The lesion was diagnosed as Paget’s disease by punch biopsy; however, imaging studies demonstrated no breast malignancy or lymph node metastasis. The patient underwent surgery of on the nipple and areola including underlying breast tissue. No underlying malignancy was found upon microscopic examination, except for Paget’s disease. Immunohistochemical stains revealed that the tumor cells were positive for cytokeratin 7, and negativity for p63, cytokeratin 5/6, estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2. We report a case of MPD without underlying malignancy. To the best of our knowledge, this is the third case reported in Korea.

Citations

Citations to this article as recorded by  
  • ‘Eczematous’ dermatitis of the nipple: clinical and histopathological differential diagnosis of Paget disease
    Hatice B. Zengin, Puay Hoon Tan, Regina Liu, Bruce R. Smoller
    Pathology.2024; 56(3): 300.     CrossRef
  • An unusual case of longstanding mammary Paget disease presenting with reticulated skin changes
    S. K. Dhariwal, E. Rytina, J. C. Sterling
    Clinical and Experimental Dermatology.2021; 46(4): 748.     CrossRef
  • Histopathological patterns of skin adnexal tumours in Ibadan, South-West Nigeria
    OmoladeO Adegoke, MustaphaAkanji Ajani
    Hamdan Medical Journal.2021; 14(4): 168.     CrossRef
  • Clinicopathological characteristics of mammary Paget’s disease: A single‐center 25‐year experience in Korea
    Young J. Kim, Keon H. Lee, Woo J. Lee, Chong H. Won, Sung E. Chang, Jee H. Choi, Mi W. Lee
    The Breast Journal.2020; 26(4): 806.     CrossRef
Review
Combined Hepatocellular-Cholangiocarcinoma: Recent Progress in Pathology and Classification.
Joon Hyuk Choi
Yeungnam Univ J Med. 2011;28(1):1-12.   Published online June 30, 2011
DOI: https://doi.org/10.12701/yujm.2011.28.1.1
  • 1,855 View
  • 6 Download
  • 1 Crossref
AbstractAbstract PDF
Primary liver carcinomas have been classified into hepatocellular carcinoma, cholangiocarcinoma, and combined hepatocellular-cholangiocarcinoma (CHC). CHC is a tumor containing unequivocal, intimately mixed elements of both hepatocellular carcinoma and cholangiocarcinoma. It forms a small but significant proportion of primary liver carcinomas. The origin and pathogenesis of CHC have not been well established. According to the 2010 WHO classification, CHCs are categorized into 2 groups: the classical type and a subtype with stem cell features. This review describes recent progress in pathology and classification of CHC.

Citations

Citations to this article as recorded by  
  • Synchronous Double Primary Hepatic Cancer: Hepatocellular Carcinoma and Intrahepatic Cholangiocarcinoma
    Jin Ok Kim, Dae Won Jun, Kiseok Jang
    The Korean Journal of Gastroenterology.2013; 62(2): 135.     CrossRef
Case Reports
Angiomatoid Fibrous Histiocytoma: A Case Report.
Joon Hyuk Choi, Woo Jung Sung, Nam Hyuk Lee
Yeungnam Univ J Med. 2007;24(2):315-321.   Published online December 31, 2007
DOI: https://doi.org/10.12701/yujm.2007.24.2.315
  • 1,719 View
  • 3 Download
  • 1 Crossref
AbstractAbstract PDF
Angiomatoid fibrous histiocytoma is a rare soft tissue tumor that generally affects children and young adults. We report a case of angiomatoid fibrous histiocytoma in an 11-year-old boy who complained of a back mass for 3 years. Surgical excision was performed. The excised specimen showed a 4.0 x 3.6 x 3.0 cm, well circumscribed, grayish white tumor, with multicystic changes. Histological examination showed proliferation of spindle or round shaped tumor cells. There was a dense fibrous pseudocapsule with prominent chronic inflammatory cell infiltrates.

Citations

Citations to this article as recorded by  
  • Imaging of childhood angiomatoid fibrous histiocytoma with pathological correlation
    Ali Yikilmaz, Bo-Yee Ngan, Oscar M. Navarro
    Pediatric Radiology.2015; 45(12): 1796.     CrossRef
Calcifying Aponeurotic Fibroma: A Case Report.
Joon Hyuk Choi, Jae Sung Seo, Kil Ho Cho
Yeungnam Univ J Med. 2003;20(2):223-228.   Published online December 31, 2003
DOI: https://doi.org/10.12701/yujm.2003.20.2.223
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  • 1 Download
  • 2 Crossref
AbstractAbstract PDF
Calcifying aponeurotic fibroma is a rare benign soft tissue tumor that usually involves distal extremities in children and adolescents, especially the hands and feet. We report a case of calcifying aponeurotic fibroma arising in a 14-year-old boy who complained of right thumb mass. Surgical excision was performed. The resected specimen showed a 2.0x1.5 cm grayish white, fibrotic tissue. Histologic examination showed proliferation of fibroblastic cells with infiltrative growth pattern. Foci of calcification and chondroid differentiation were present.

Citations

Citations to this article as recorded by  
  • Calcifying Aponeurotic Fibroma of Leg Masquerading as Hemangioma in an Adolescent Male along with Review of Literature
    Akriti Jindal, Gargi Kapatia, Manjit Kaur Rana, Rahul Sharma
    Indian Journal of Surgical Oncology.2024; 15(1): 136.     CrossRef
  • Calcifying Aponeurotic Fibroma of the Elbow - A Case Report -
    Mee-Hye Oh, Eun Ah Jung, Ji Hye Lee, Hyun Deuk Cho, Jong Kyu Han, Yong-Koo Park
    The Korean Journal of Pathology.2009; 43(1): 75.     CrossRef
Chordoma: A Clinicopathologic Review of 4 Cases.
Joon Hyuk Choi, Young Kyung Bae, Mi Jin Kim, Duk Seop Shin, Kil Ho Cho
Yeungnam Univ J Med. 1999;16(2):369-375.   Published online December 31, 1999
DOI: https://doi.org/10.12701/yujm.1999.16.2.369
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AbstractAbstract PDF
Chordoma is a slow-growing malignant neoplasm arising from the remnants of the primitive notochord. It accounts for 1 to 4% of all malignant bone tumors. It occurs exclusively along the spinal axis. Authors experienced four cases of chordoma occurred in the sacrococcygeal region. There were two male and two female patients, with a mean age of 63.5 years(range. 57~75 years). Tissue was obtained by wide excision in two patients, by incisional biopsy in one patient and by needle biopsy in the other. Adjuvant radiation theraphy was performed on all the patients after their biopsy. The mean diameter of the tumors was 7.6cm(range, 5.5 to 13.0cm). Grossly, tumor was multilobulated, soft and myxoid gelatinous mass. Microscopically, the tumor showed lobulated feature divided by fibrous septa within it. There were physaliphorous cells with vacuolated bubbly cytoplasm. And small uniform, round, and non-vacuolated tumor cells were also present. On immunohistochemical stain, all the cases were immunoreactive for cytokeratin, epithelial membrane antigen(EMA) and vimentin, respectively. One of the 4 cases was positive for S-100 protein. All the cases were negative for CEA.
Original Articles
A Clinicopathological Study of Solid and Papillary Neoplasm of Pancreas.
Joon Hyuk Choi, Mi Jin Gu, Hong Jin Kim
Yeungnam Univ J Med. 1998;15(1):36-46.   Published online June 30, 1998
DOI: https://doi.org/10.12701/yujm.1998.15.1.36
  • 1,555 View
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AbstractAbstract PDF
Solid and papillary epithelial neoplasm of pancreas is a rare tumor, usually affecting young women, and its histogenesis is still controversial. This study was performed to define the clinicopathologic features and cellular origin of this tumor. Eight female cases of solid and papillary epithelial neoplasm of pancreas were studied by analyzing the clinicopathologic findings and immunohistochemical and electron-microscopic findings. The age of eight cases ranged from 21 to 54 years (mean, 34 years). The tumors developed in the tail (4 cases), body-tail (2 cases), body (1 case) and head (1 case). The mean diameter of tumors was 9.3 cm (range, 5.5 to 13 cm). Tumors showed solid, cystic and hemorrhagic areas. Histologically, the tumor cells were uniformly round or polygonal in shape, and formed solid sheets and papillary pattern. On the immunohistochemical stain, 8 cases (100%) were immunoreactive for alpha1-antitrypsin, 7 cases (87.5%) for cytokeratin, 7 cases (87.5%) for progesterone receptor, 6 cases (75%) for vimentin, and 1 case (12.5%) for synaptophysin, respectively. None of them were immunoreactive for estrogen receptor. Electron microscopic examination showed many mitochondria, annulate lamellae and canaliculi-like gap. These findings suggest that solid and papillary epithelial tumor of pancreas possibly originates from totipotential stem cells.
Expression of Oncogene Product in the Colorectal Carcinoma.
Young Ran Shim, Woo Young Jang, Kyoung Chan Choi, Joon Hyuk Choi, Won Hee Choi, Min Chul Shim
Yeungnam Univ J Med. 1995;12(2):210-225.   Published online December 31, 1995
DOI: https://doi.org/10.12701/yujm.1995.12.2.210
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AbstractAbstract PDF
The expression of p62"' and p2l can be seen in many solid tumor, but the pattern and incidence of expression were different according to organ, countries, and examiners, thus it is not definitely defined. Total 67 colorectal carcinoma in paraffin sections are analysed by immunohistochemically for evaluation of the p62and p21- expression according to the age, sex, chief complaints, location, differentiation, modified Dukes stage, using the specific monoclonal antibodies. The results were summarized as follows : The age of patients ranged from 32 years to 82 years. The mean age was 57.6 years. The expression of p 62y' and p21 was not correlated with age. Male was 29 cases(43.3%) and female was 38 cases(56.7%). The male to female ratio was 1:1.31. The and 95.0% in moderately differentiated adenocarcinoma, 90.0% and 90.0% in poorly differentiated <,;, adenocarcmoma, 100.0% and 100.0% in mucinous carcinoma. The positive rate of p62!and and p2l' was 94.1% and 88.2% in Dukes stage B,, 96.0% and 96.0% in Dukes stage B,, 100.0% and 100.0% in Dukes stage C,, 100.0% and 88.9% in Dukes stage C, and 100.0% and 100. o% in Dukes stage D. The expression of p62 y' in metastatic colorectal carcinoma showed diffuse and strongly positive reaction than primary colorectal carcinoma. The expression of p21 in primary colorectal carcinoma showed diffuse and strongly positive reaction than metastatic colorectal carcinoma.

JYMS : Journal of Yeungnam Medical Science