Journal of Pathology and Translational Medicine

Original Article

Prognostic Implication of Semi-quantitative Immunohistochemical Assessment of CD20 Expression in Diffuse Large B-Cell Lymphoma: Chang Hwan Choi, Young Hoon Park, Joo Han Lim, Suk Jin Choi, Lucia Kim, In Suh Park, Jee Young Han, Joon Mee Kim, Young Chae Chu; J Pathol Transl Med. 2016;50(2):96-103. Published online February 15, 2016; DOI: https://doi.org/10.4132/jptm.2016.01.12

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Background
Immunohistochemical demonstration of CD20 in diffuse large B-cell lymphoma (DLBCL) is prerequisite not only for the diagnosis but also for assigning patients to rituximab-containing chemotherapy. However, little is known about the impact of abundance of CD20 expression assessed by immunohistochemistry on the clinical outcome of DLBCL. We performed a semi-quantitative immunohistochemical analysis of CD20 expression in DLBCL to examine the prognostic implication of the level of CD20 expression. Methods: Pre-treatment diagnostic tissue samples from 48 DLBCL patients who were treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) regimen were represented in a tissue microarray and immunostained for CD20. The relative abundance of CD20 expression was semi-quantitatively scored using a web-based ImmunoMembrane plug-in. Receiver operating characteristic curve analysis was used to determine a prognostically relevant cut-off score in order to dichotomize the patients into CD20-high versus CD20-low groups. Results: The levels of CD20 expression were heterogeneous among the patients, with a wide and linear distribution of scores. Patients in CD20-low group showed significantly poor clinical outcome. Conclusions: The levels of CD20 expression in DLBCL are heterogeneous among the patients with DLBCL. A subgroup of the patients with CD20 expression levels below the cut-off score showed poor clinical outcome.

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Head & Neck.2019; 41(1): 198. CrossRef
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Xing Dai, Yu-Jing Wu, Xiao-Yi Jia, Yan Chang, Hua-Xun Wu, Chun Wang, Wei Wei
Hematology.2019; 24(1): 544. CrossRef
The implications of TrkA and MET aberrations in de novo salivary duct carcinoma
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Journal of Experimental & Clinical Cancer Research.2017;[Epub] CrossRef
Implications of infiltrating immune cells within bone marrow of patients with diffuse large B-cell lymphoma
Juhyeon Jeong, Eun Ji Oh, Woo Ick Yang, Soo Jeong Kim, Sun Och Yoon
Human Pathology.2017; 64: 222. CrossRef
Architectural patterns of p16 immunohistochemical expression associated with cancer immunity and prognosis of head and neck squamous cell carcinoma
Hyang Joo Ryu, Eun Kyung Kim, Su Jin Heo, Byoung Chul Cho, Hye Ryun Kim, Sun Och Yoon
APMIS.2017; 125(11): 974. CrossRef
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Brief Case Report

Myoepithelial Carcinoma of Soft Tissue: A Case Report and Review of the Literature: Chang Hwan Choi, Young Chae Chu, Lucia Kim, Suk Jin Choi, In Suh Park, Jee Young Han, Joon Mee Kim; Korean J Pathol. 2014;48(6):413-417. Published online December 31, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.6.413

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Ashley Rose Scholl, Evelyna Kliassov, Diana M. Cardona, Rex Bentley, Rami N. Al‐Rohil
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Abdominal myoepithelial carcinoma: A rare abdominal wall entity of an uncommon tumor
Daania Shoaib, Saqib Raza Khan, Yasmin Abdul Rashid, Muhammad Nauman Zahir
International Journal of Surgery Case Reports.2022; 99: 107618. CrossRef
Adult soft tissue myoepithelial carcinoma: treatment outcomes and efficacy of chemotherapy
Florence Chamberlain, Elena Cojocaru, Mariana Scaranti, Jonathan Noujaim, Anastasia Constantinou, Khin Thway, Cyril Fisher, Christina Messiou, Dirk C. Strauss, Aisha Miah, Shane Zaidi, Charlotte Benson, Spyridon Gennatas, Robin L. Jones
Medical Oncology.2020;[Epub] CrossRef
Foot plantar soft tissue malignant myoepithelioma tumor: Case report and review of the literature
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Michelle M. Hui, Rohan Merani, Fiona Bonar, Angela M. Hong, Adrian T. Fung
American Journal of Ophthalmology Case Reports.2019; 14: 55. CrossRef
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Madhura Mahapatra, Travis Lambert, Abdal Rahman El-Mallah, Andressa Balbi, Mohamad Aziz
Case Reports International.2019; 8(2): 1. CrossRef

Case Study

Peripheral Primitive Neuroectodermal Tumor with Osseous Component of the Small Bowel Mesentery: A Case Study: Joon Mee Kim, Young Chae Chu, Chang Hwan Choi, Lucia Kim, Suk Jin Choi, In Suh Park, Jee Young Han, Kyung Rae Kim, Yoon-La Choi, Taeeun Kim; Korean J Pathol. 2013;47(1):77-81. Published online February 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.77

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Abstract PDF

A case of peripheral primitive neuroectodermal tumor of the small bowel mesentery with osseous component is reported. A 23-year-old man was admitted to our hospital because of acute severe abdominal pain. Abdominal computed tomography revealed a large solid and cystic, oval shaped mass, measuring 11.0×6.0 cm in the pelvic cavity. Histologically the resected lesion consisted of sheets of undifferentiated small round cells forming Homer-Wright rosettes and perivascular pseudorosettes, and showed areas of osteoid and bone formation. Immunohistochemical studies revealed that tumor cells expressed positivity against CD99 (MIC2), CD57, neuron-specific enolase, and vimentin. Fluorescence in situ hybridization study revealed Ewing sarcoma breakpoint region 1 (EWSR1) gene rearrangement on chromosome 22q12. To the authors' knowledge this is the first documentation of a peripheral neuroectodermal tumor with osteoid and bone formation of the small bowel mesentery.

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Primary Ewing’s sarcoma in a small intestine – a case report and review of the literature
Andrej Kolosov, Audrius Dulskas, Kastytis Pauza, Veslava Selichova, Dmitrij Seinin, Eugenijus Stratilatovas
BMC Surgery.2020;[Epub] CrossRef
Case report and literature review of Ewing's sarcoma in the gastrointestinal tract
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Surgical Practice.2018; 22(2): 84. CrossRef
Pediatric Ewing’s Sarcoma/Primitive Neuroectodermal Tumor (ES/PNET) Developed in the Small Intestine: A Case Report
You Sun Kim, Hye Min Moon, Kyu Sang Lee, Young Suk Park, Hyun-Young Kim, Ji Young Kim, Jin Min Cho, Hyoung Soo Choi
Clinical Pediatric Hematology-Oncology.2017; 24(2): 162. CrossRef
Huge peripheral primitive neuroectodermal tumor of the small bowel mesentery at nonage: A case report and review of the literature
Zhe Liu, Yuan-Hong Xu, Chun-Lin Ge, Jin Long, Rui-Xia Du, Ke-Jian Guo
World Journal of Clinical Cases.2016; 4(9): 306. CrossRef
Primary primitive neuroectodermal tumor arising in the mesentery and ileocecum: A report of three cases and review of the literature
LIBO PENG, LIMIN YANG, NAN WU, BO WU
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Une curieuse tumeur digestive à cellules rondes
Alia Zehani, Ines Chelly, Beya Chelly, Jean-Michel Coindre, Slim Haouet, Nidhameddine Kchir
Annales de Pathologie.2014; 34(2): 104. CrossRef

Original Article

Construction of High-Density Tissue Microarrays at Low Cost by Using Self-Made Manual Microarray Kits and Recipient Paraffin Blocks: Chang Hwan Choi, Kyu Ho Kim, Ju Young Song, Suk Jin Choi, Lucia Kim, In Suh Park, Jee Young Han, Joon Mee Kim, Young Chae Chu; Korean J Pathol. 2012;46(6):562-568. Published online December 26, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.6.562

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Abstract PDF

Background

Advances of tissue microarray (TMA) technology have enabled simultaneous in situ analysis of biomarker expression in a large number of archived pathology specimens. However, the relatively high cost of TMA construction may hamper many researchers from using this essential tool of modern pathology research. We discuss methods for making TMA kits and recipient blocks for manual construction of high-density TMAs at low cost.

Methods

Ordinary cannula piercing needles, hypodermic needles, bone marrow biopsy needles, metallic ink cartridges of ballpoint pens, and disposable skin biopsy punches were used to construct self-made manual TMA kits. The recipient blocks were manufactured by boring holes in the conventional bare paraffin blocks. A mini electric hand drill and a microcompound table assembled on a drill stand were used to maximize the capacity of the recipient blocks.

Results

By using TMA kits made from cannula piercing needles (16- and 18-gauge), it was possible to construct TMAs with 1 mm×140 cores, 0.6 mm×320 cores, 2 mm×70 cores, 3 mm×35 cores, and 5 mm×12 cores. The capacity of the recipient blocks could be dramatically increased by drilling holes.

Conclusions

Construction of TMAs using self-made TMA kits is an inexpensive alternative to construction of TMAs using commercial devices.

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Ljubiša Jovanović, Radmila Janković, Andja Ćirković, Milena Jović, Tijana Janjić, Slaviša Djuričić, Svetlana Milenković
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Peripheral nerve sheath tumor invading the nasal cavities of a 6-year-old female Pointer dog
Alessandra Sfacteria, Laura Perillo, Francesco Macrì, Giovanni Lanteri, Claudia Rifici, Giuseppe Mazzullo
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Microarrays.2014; 3(2): 103. CrossRef
Tissue Microarray
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Korean Journal of Pathology.2013; 47(3): 238. CrossRef

Case Reports

Granular Cell Astrocytoma: Report of a Case: Kyu Ho Kim, Ju Young Song, Chang Hwan Choi, Lucia Kim, Suk Jin Choi, Jee Young Han, Joon Mee Kim, Young Chae Chu, In Suh Park; Korean J Pathol. 2012;46(4):370-372. Published online August 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.4.370

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Abstract PDF

We report here a rare case of granular cell astrocytoma. A 75-year-old man was admitted to Inha University Hospital with a three-month history of language deterioration. In a magnetic resonance imaging, a 6.5 cm-sized heterogeneous enhancing mass was seen in both the frontal lobes and the anterior genu of the corpus callosum. A stereotactic biopsy was performed. The tumor was composed of large and small round cells with abundant intracytoplasmic granules. The nuclei were bland, round to oval, and often eccentrically located. The cytoplasm of the tumor cells was positive for glial fibrillary acidic protein and S-100 protein.

Citations

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Granular cell tumor of the brain: case report and review of literature
Shyam Duvuru, Vivek Sanker, Deepak Pandit, Sheezah Khan, Sara Alebrahim, Tirth Dave
Journal of Surgical Case Reports.2023;[Epub] CrossRef
Granular cell astrocytoma: Case report
Rohan Gupta, Supriya Gupta, Nathaniel Shapiro, Scott Rahimi, Suash Sharma
Human Pathology: Case Reports.2018; 14: 4. CrossRef
Unusual presentation of a granular cell astrocytoma
Alan A George, Gregory N Fuller, Lauren A Langford, Clayton D Simon, Amy A Zingalis, Derek A Mathis
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Isolated Polypoid Ganglioneuroma in the Rectum.: Se Hoon Kim, Chang Hwan Choi, Yong Han Paik, Won Ho Kim, Hoguen Kim; Korean J Pathol. 2001;35(4):344-346.

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Abstract PDF: Gastrointestinal ganglioneuroma is a rare benign neoplasm, composed of ganglion cells, nerve fibers, and supporting cells. Ganglioneuromas are presented as isolated polypoid ganglioneuroma, ganglioneuromatous polyposis, and diffuse ganglioneuromas. We have experienced a case of an isolated ganglioneuromatous polyp in the rectum. The patient was a 58-year-old female who had experienced low abdominal discomfort and tenesmus for 6 to 7 months. Colonoscopic examination revealed a polypoid tumor in the rectum. Microscopically, the tumor showed cystic glands, expanded lamina propria, and smooth surface epithelium. Many proliferated ganglion cells with nerve fibers were evident in the lamina propria which was extended to the submucosa.

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