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7 "Dong Ja Kim"
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Case Study
Spindle cell oncocytoma of the sella turcica with anaplastic features and rapid progression in short-term follow-up: a case report with proposal of distinctive radiologic features
Dong Ja Kim, SangHan Lee, Mee-seon Kim, Jeong-Hyun Hwang, Myong Hun Hahm
J Pathol Transl Med. 2021;55(3):225-229.   Published online March 9, 2021
DOI: https://doi.org/10.4132/jptm.2021.01.27
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  • 1 Web of Science
  • 2 Crossref
AbstractAbstract PDF
We present a rare case of spindle cell oncocytoma (SCO) of the sella turcica with malignant histologic features and rapid progression. A 42-year-old woman experienced bilateral blurred vision and was preoperatively misdiagnosed as having a pituitary macroadenoma on magnetic resonance imaging. After surgery, SCO was diagnosed by the histopathologic features of interlacing fascicles of spindle tumor cells with finely granular, eosinophilic cytoplasm. Focal anaplastic changes and necrosis were present. Immunohistochemically, the tumor cells were positive for vimentin, epithelial membrane antigen, S-100, galectin-3, and thyroid transcription factor 1. Four months later, the tumor had progressed, and second surgery with adjuvant radiotherapy was performed; the patients remains under observation. In this report, we proposed distinctive radiologic features for differential diagnosis between SCO and other pituitary tumors.

Citations

Citations to this article as recorded by  
  • Treatment modalities and outcomes of granular cell tumors and spindle cell oncocytomas of the pituitary gland: an analysis of two national cancer databases
    A. Yohan Alexander, Giorgos Michalopoulos, Panagiotis Kerezoudis, Jamie J. Van Gompel, Michael J. Link, Maria Peris-Celda
    Acta Neurochirurgica.2024;[Epub]     CrossRef
  • Spindle cell oncocytoma, a misdiagnosed rare entity of the pituitary – A case report with review of literature and special emphasis on the morphological differentials
    Gittwa Vatsaraj Kottangal, Lilly Madhavan, Shalini Kuruvilla, Kavitha Kanjirakadu Parameswaran, Shehla Basheer Kollathodi
    Indian Journal of Pathology and Oncology.2021; 8(4): 533.     CrossRef
Original Articles
The Relationship of Ki-67, Proliferating Cell Nuclear Antigen, AgNORs and p53 Protein Expression in Astrocytoma.
Dong Ja Kim, Jae Weon Lim, Yoon Kyung Sohn
Korean J Pathol. 1999;33(1):25-31.
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AbstractAbstract PDF
The grading of astrocytoma has traditionally relied on histological assessment, but there are some differences in their parameters, application, and reproducibility. Recently, numerous studies have attempted to correlate biological aggresiveness with tumor proliferation index using new immunohistochemical methods. The purpose of this study is to correlate the histopathological grades of astrocytoma with the expression of Ki-67, PCNA, p53 protein and AgNORs. The paraffin sections of 41 consecutive cases of astrocytomas were examined. Histologically the tumors were graded as three groups under the St. Anne-Mayo system and showed 14 cases in grade II, 15 cases in grade III and 12 cases in grade IV (glioblastoma multiforme). As a result, the Ki-67 labelling index and p53 protein expression tended to increase with increasing grade of malignancy. But the univariate analysis showed that there was no significant difference between the tumor grades (p>0.05). The PCNA labelling index and number of AgNORs revealed striking differences between the grade II and grade III astrocytomas (p<0.05). We concluded that the PCNA labelling index and AgNORs counting are useful markers for differentiation between grade II and III astrocytomas.
Molecular Diagnosis of Cutaneous T Cell Lymphoproliferative Diseases.
Ji Young Park, Myung Hoon Lee, Eun Kyung Kwak, Dong Ja Kim, Tae In Park, Han Ik Bae
Korean J Pathol. 2000;34(11):941-949.
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AbstractAbstract PDF
It is often problematic to diagnose T-cell lymphoproliferative disorders of the skin because of the difficulty in establishing clonality in paraffin-embedded tissue. We used polymerase chain reaction single strand conformational polymorphism (PCR-SSCP) and heteroduplex analysis in paraffin embedded tissue to detect clonal rearrangement of T-cell receptor gamma (TCRgamma) gene in 17 T-cell lymphoproliferative disorders and 6 atypical lymphoproliferative diseases. We used polymerase chain reaction to detect TCR beta gene rearrangement in 8 of 17 cases which did not show TCRgamma gene rearrangement. Jurkat cell lines were used as monoclonal controls. DNA was extracted from 5 biopsies of T-cell lymphomas, 10 biopsies of mycosis fungoides, 2 biopsies of lymphomatoid papulosis, and 6 biopsies of atypical lymphoproliferative lesions. We detected monoclonality in 5 of 5 T-cell lymphoma cases, 2 of 2 lymphomatoid papulosis cases, 6 of 10 mycosis fungoides cases, and 2 of 6 atypical lymphoproliferative disease cases. We conclude that nonradioactive PCR-SSCP for TCR gene rearrangement analysis is a useful adjunct to routine histological and immunophenotypic methods in the diagnosis of cutaneous T cell lymphoproliferative disorders in paraffin embedded tissue.
Allelic Loss at the BRCA1 and BRCA2 Loci in Sporadic Breast Carcinoma Using Paraffin Embedded Tissue .
Ji Young Park, Myung Hoon Lee, Dong Ja Kim, Tae In Park, Young Ha Lee, Jung Wan Kim, Yoon Kyung Sohn
Korean J Pathol. 2002;36(2):100-105.
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AbstractAbstract PDF
BACKGROUND
Germline mutations in the breast cancer-associated genes BRCA1 and BRCA2 confer susceptibility and a lifetime risk of breast. Several morphological and clinical features have been attributed to hereditary tumors. However, in sporadic breast cancer, the interrelationship between the loss of heterozygosity (LOH) of these loci and clinical features remains to be fully elucidated.
METHODS
Microdissected paraffin-embedded tissue blocks of 48 cases of surgically resected breast carcinoma were investigated to identify the LOH of BRCA1 and BRCA2 using microsatellite markers.
RESULTS
Of 48 cases, 22 (45.9%) exhibited LOH at BRCA1 locus while in 29 out of 48 (60.4%) cases LOH was observed for the BRCA2 region. There was no significant correlation between LOH at BRCA1/2 and the patient's age, tumor size, histologic grade or lymph node metastasis. When comparing the frequency of LOH with the expression of several prognostic factors, such as p53, c-erb B2 protein, estrogen and progesterone receptor using immunohistochemical stain, there was only correlation with LOH at BRCA2 and the progesterone receptor.
CONCLUSIONS
Our results suggest that allelic deletion play a role to the development of sporadic breast cancers.
Case Report
Primary Signet Ring Cell Carcinoma of the Lung: Report of Two Cases .
Dong Ja Kim, Sook Hee Lee, Yoon Kyung Sohn
Korean J Cytopathol. 1997;8(1):83-86.
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AbstractAbstract PDF
Signet ring cell carcinoma is a variant of adenocarcinoma and has been rarely reported in the lung as a primary site. Recently, we experienced two cases of primary signet ring cell carcinoma in the lung without any other extrapulmonary lesion. Sputum cytology was performed and the tumor cells which have eccentrically located nuclei and abundnat mucinous cytoplasm were dispersed in diffuse sheets. On resected specimen, the signet ring cells occupied about 50~80% of all tumor cell nests. HIstochemical staining revealed that the mucin produced by tumor cells was mostly carboxylated acid mucins. Ultrastructurally, the tumor cells contained variable sized membrane-bound mucin granules with weak central osmiophilic density and showed numerous surface microvilli, which represented that tumor cells arose from bronchial epithelial cells. In general, this tumor has diffusely infiltrative nature and the prognosis is fatal due to widespread metastasis before clinical discovery.
Original Article
Fine Needle Aspiration Cytologic Diagnosis of Thymoma Presenting as a Thyroid Nodule: A Report of Two Cases.
Dong Ja Kim, Ji Young Park, Yoon Seup Kum, Tae In Park, Yoon Kyung Sohn
Korean J Cytopathol. 2000;11(1):41-46.
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AbstractAbstract PDF
Thymoma is the most common anterior mediastinal tumor in adults. Rarely, it is presented as the anterior neck mass, commonly located in the anterolateral aspect of the neck or adjacent to the thyroid. We experienced two cases of fine needle aspiration cytology of thymoma, mimicking thyroid mass. The first case was an ectopoic cervical thymoma in a 31-year-old female. The fine needle aspiration cytology was misinterpreted as reactive hyperplasia of lymph node. But the histologic diagnosis was thymoma, predominantly lymphocytic type. The second case was an invasive thymoma in a 66-year-old female, who complained a large anterior neck mass. The fine needle aspiration cytology revealed biphasic population of some clusters of epithelial cells and scattered lymphocytes. The cytologic diagnosis was thymoma and was confirmed as invasive thymoma after the biopsy. Therefore, when the cytologic feature of anterior neck mass shows the both lymphocyte and epithelial component, the differential diagnosis should include the possibility of thymoma.
Case Report
Fine Needle Aspiration Cytology of Eccrine Spiradenoma: Report of a Case.
Dong Ja KIM
Korean J Cytopathol. 2005;16(2):98-101.
  • 1,537 View
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AbstractAbstract PDF
Eccrine spiradenoma is a rare adnexal tumor of the skin and its cytomorphology has seldom been described in literature. To evaluate the cytologic features and diagnostic pitfalls of eccrine spiradenoma, we report a case of 33-year-old male whose clinical presentation was a painful subcutaneous mass at the right preauricular area. Fine needle aspirates revealed tight clusters of multilayered, uniform, cuboidal cells arranged around hyalinized perivascular spaces. Some epithelial cells showed tubules or rosette formations. The background showed scattered, naked nuclei. The histologic findings confirmed the eccrine spiradenoma. The recognition of peculiar cytologic features and clinical correlation could be helpful in the diagnosis of skin adnexal tumors.

J Pathol Transl Med : Journal of Pathology and Translational Medicine