Journal of Pathology and Translational Medicine

Case Study

Diagnostic conundrums of schwannomas: two cases highlighting morphological extremes and diagnostic challenges in biopsy specimens of soft tissue tumors: Chankyung Kim, Yang-Guk Chung, Chan Kwon Jung; J Pathol Transl Med. 2023;57(5):278-283. Published online August 24, 2023; DOI: https://doi.org/10.4132/jptm.2023.07.13

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Abstract PDF: Schwannomas are benign, slow-growing peripheral nerve sheath tumors commonly occurring in the head, neck, and flexor regions of the extremities. Although most schwannomas are easily diagnosable, their variable morphology can occasionally create difficulty in diagnosis. Reporting pathologists should be aware that schwannomas can exhibit a broad spectrum of morphological patterns. Clinical and radiological examinations can show correlation and should be performed, in conjunction with ancillary tests, when appropriate. Furthermore, deferring a definitive diagnosis until excision may be necessary for small biopsy specimens and frozen sections. This report underscores these challenges through examination of two unique schwannoma cases, one predominantly cellular and the other myxoid, both of which posed significant challenges in histological interpretation.

Original Articles

The Analysis of Co-authorship and Networks among the Korean Pathologists.: Jin Oh Kang, Seo Hyun Park, Yong Koo Park; Korean J Pathol. 2011;45(3):227-236.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.227

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BACKGROUND
To evaluate the characteristics of the co-authorship and its network within the Korean Pathologists' Society.
METHODS
In the KoreaMed database, 11,420 articles and 72,478 authors from 1991 to 2010 were searched. The patterns of co-authorship of the authors and institutions were analyzed to build a network matrix. The network centrality indices were measured with UCINET 6.0 and sociogram, and were drawn with Netdraw 5.0. KeyPlayer 1.44 was used for key player analysis.
RESULTS
The number of articles that pathologist participated in increased; however, the number of articles that the pathologists are the first author did not increase. The centrality degrees from 1991 to 2010 were 4.16% and 0.3% for the institutions and authors network, respectively. From 1991 to 2000, Seoul National University had the highest degree of centrality and was a key player. However, from 2001 to 2010, Ulsan replaced the position. For the authors, Chi, Je Geun was highest centrality author and key player during the 1991 to 2000 time period. From 2001 to 2010, Yoo, Jinyoung had the highest degree of centrality and Kim, Na Rae was a key player. Overall, most of the centrality indices were occupied by only a few institutions and authors.
CONCLUSIONS
The network among the pathologist society is a typical small world society.

Citations

Citations to this article as recorded by

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Perspective of The Korean Society of Pathologists.: Je G Chi; Korean J Pathol. 1997;31(10):902-908.

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Abstract: Only since the introduction of western medicine by Japanese officials and American missionaries in the late 1890's, has the Pathology in its modern concept been considered a major part of basic science in medical schools in Korea, after its role as a hospital service had long been ignored. Limited service of tissue diagnosis on surgical material was the only service performed. Professor Inamoto was the first Japanese pathologist to come to Korea and set up a Pathology Department at the Chosun Chongdogbu Hospital in 1913, and Dr. Mills appears to be the first American hospital pathologist who worked at Severance Hospital in 1913 practicing bacteriology and parasitology as well as lecturing pathology at the medical school. Korea was annexed by Japan from 1910 to 1945. The Korean Society of Pathologists (The former Chosun Society of Pathology) was founded on October 1, 1946, during the turmoil after the end of the Second World War and liberation from Japanese occupation. Only a handful of pathologists gathered for the delivery of the Society. The purpose of the Society was to study, research and exchange information and knowledge in the field of Pathology among its members. Since 1947 the Society had held regular annual academic meetings. In 1950 the Korean War occurred and the Korean Society of Pathologists (KSP) had to restart after the war. The still existing Monthly Slide Conference started in 1959, and the Pathology specialist system was adopted in 1963. There had been a considerable confusion during the adoption period of the pathology specialist system in this country, mainly because of the confused concept of the term "clinical pathology". In its start three categories, i.e., anatomic pathology, clinical pathology, and combined anatomic and clinical pathology were opened. However, the combined training program was eliminated in 1975, which eventually resulted in the separation of clinical pathologists from the KSP to found a new society of Clinical Pathology in 1980 against the advice of the KSP. The first official Journal of the Society, The Korean Journal of Pathology was launched in 1967, marking the 20th anniversary of the Society. It started as a biannual Journal and became a quarterly in 1977. In 1991 the Journal became a bimonthly periodical, and since 1996 the Society issues 12 volumes a year. From 1976, academic activity of the Society was expanded by opening its Spring Meeting in addition to the conventional annual Fall Meeting. In 1992 the Society adopted board of trustee system, providing a fresh blood transfusion. In 1996, the Society commemorated its 50th Anniversary, and published a record book, "The First Fifty Years of The Korean Society of Pathologists". As of December 1996, the Society has a total membership of 500 and 7 special study groups The Society holds 2 annual meetings, monthly slide conferences, several long and short courses, and workshops every year. Approximately 400 papers have been presented each year at the annual meetings. Approximately 350 anatomic pathologists work at hospitals, and a additional 50 pathologists are engaged in full time research at the Department of Pathology in medical schools and other research institutes. As we turn the first half century of founding the Korean Society of Pathologists we realize that we have to be well prepared for various expected and unexpected situations in the future. Enforcement of research pathology at medical schools appears to be the most urgent and important issue. For this purpose, the concept of basic pathology, research pathology, and hospital pathology (surgical pathology) should be clearly established. We also have to clearly define the differnece between anatomic pathology and clinical pathology in this country. At present, the clinical pathology stands alone without any collaboration with the KSP in terms of training program, specialty qualification and hospital practice. Undergraduate pathology education is another issue that we have to pay special attention. The number of full time research pathologists should be increased, and their active and dominant participation in the Society are needed. As the demand for the knowledge and promotions of special field of pathology increases, establishment of additional study group should be encouraged. And if the requirements are met, founding a new Special Pathology Society could also be encouraged. However, the basic skeleton and executive power of the KSP in training residents, qualifying specialty or subspecialty, and in representing the entire pathology field should be maintained and strictly enforced. Hospital pathology has been a dominant drive of the KSP for the last 35 years since the adoption of specialty system. The term, "Diagnostic Pathology" appears to be a term that can replace "Anatomic Pathology", "Surgical Pathology", or "Tissue Pathology" in this country. In future the demand of diagnostic pathology particularly endoscopy biopsy diagnosis, cytological diagnosis and evaluation of surgical operation would be greatly increased. Therefore, we have to be ready for the requirements of professional diagnostician in various fields of pathology as well as overall general diagnostic pathologist. Subspecialty qualification could be expected around the year 2005, when the membership of the Society is expected to be 700. The Korean Journal of Pathology has yet to be improved. It should contain more basic research articles produced by full-time basic pathology researchers. Papers related to hospital pathology (diagnostic pathology) including cytopathology should pursure not only originality but also its practical importance in our situation in this country. The Korean Journal of Pathology should aim for its acception and inclusion in international indexing system in near future.

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