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Case Study
Recurrent Indeterminate Dendritic Cell Tumor of the Skin
Jin Woo Joo, Taek Chung, Yoon Ah Cho, Sang Kyum Kim
J Pathol Transl Med. 2018;52(4):243-247.   Published online April 5, 2018
DOI: https://doi.org/10.4132/jptm.2018.03.27
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  • 2 Web of Science
  • 1 Crossref
AbstractAbstract PDF
Indeterminate dendritic cell tumor (IDCT) is a dendritic cell tumor that displays histologic features similar to those of Langerhans cells. The origin of the indeterminate cells may represent precursors of Langerhans cells or skin dendritic cells. IDCT is extremely rare, and tumor progression and predictive factors are not well known. Here, we report a case of a 61-year-old man who presented with a papule on his back and was finally diagnosed with IDCT based on histology and immunohistochemistry. The tumor recurred three months after surgical excision.

Citations

Citations to this article as recorded by  
  • Indeterminate cell histiocytosis: A systematic review of the literature with a comprehensive revision of clinical, histopathological, and molecular features
    Simone Zanella, Emilio Berti, Arturo Bonometti
    Journal of the European Academy of Dermatology and Venereology.2023; 37(8): 1559.     CrossRef
Review
Thyroid Cytology: The Japanese System and Experience at Yamashita Thyroid Hospital
Shinya Satoh, Hiroyuki Yamashita, Kennichi Kakudo
J Pathol Transl Med. 2017;51(6):548-554.   Published online October 11, 2017
DOI: https://doi.org/10.4132/jptm.2017.09.29
  • 8,865 View
  • 158 Download
  • 22 Web of Science
  • 18 Crossref
AbstractAbstract PDF
In Japan, fine-needle aspiration (FNA) cytology is the most important diagnostic modality for triaging patients with thyroid nodules. A clinician (endocrinologist, endocrine surgeon, or head and neck surgeon) generally performs FNA cytology at the outpatient clinic, and ultrasound (US)-guided FNA is widespread because US is extremely common and most clinicians are familiar with it. Although almost all FNA thyroid samples are examined by certified cytopathologists and pathologists, some clinicians assess cytological specimens themselves. In Japan, there are two clinical guidelines regarding the management of thyroid nodules. One is the General Rules for the Description of Thyroid Cancer (GRDTC) published by the Japanese Society of Thyroid Surgery (JSTS) in 2005, and the other is the national reporting system for thyroid FNA cytology published by the Japan Thyroid Association in 2013 (Japanese system). Although the Bethesda System for Reporting Thyroid Cytopathology (Bethesda system) is rarely used in Japan, both the GRDTC and Japanese system tried to incorporate the Bethesda system so that the cytological diagnoses would be compatible with each other. The essential point of the Japanese system is stratification of follicular neoplasm (FN) into three subgroups based on cytological features in order to reduce unnecessary diagnostic thyroidectomy, and this system has been successful in stratifying the risk of malignancy in FN patients at several high-volume thyroid surgery centers. In Japan, the measurement of thyroglobulin and/or calcitonin in FNA needle washings is often used as an adjunct for diagnosis of possible cervical lymph node metastasis when FNA cytology is performed.

Citations

Citations to this article as recorded by  
  • Thyroid FNA cytology: The Eastern versus Western perspectives
    Mitsuyoshi Hirokawa, Manon Auger, Chan Kwon Jung, Fabiano Mesquita Callegari
    Cancer Cytopathology.2023; 131(7): 415.     CrossRef
  • The Asian Thyroid Working Group, from 2017 to 2023
    Kennichi Kakudo, Chan Kwon Jung, Zhiyan Liu, Mitsuyoshi Hirokawa, Andrey Bychkov, Huy Gia Vuong, Somboon Keelawat, Radhika Srinivasan, Jen-Fan Hang, Chiung-Ru Lai
    Journal of Pathology and Translational Medicine.2023; 57(6): 289.     CrossRef
  • Criteria for follow‐up of thyroid nodules diagnosed as follicular neoplasm without molecular testing – The experience of a high‐volume thyroid centre in Japan
    Mitsuyoshi Hirokawa, Ayana Suzuki, Makoto Kawakami, Takumi Kudo, Akira Miyauchi
    Diagnostic Cytopathology.2022; 50(5): 223.     CrossRef
  • The Significance of RAS-Like Mutations and MicroRNA Profiling in Predicting Malignancy in Thyroid Biopsy Specimens
    Nicole A. Cipriani, Daniel N. Johnson, David H. Sarne, Peter Angelos, Ward Reeves, Tatjana Antic
    Endocrine Pathology.2022; 33(4): 446.     CrossRef
  • Molecular Testing for Thyroid Nodules: The Experience at McGill University Teaching Hospitals in Canada
    Mohannad Rajab, Richard J. Payne, Véronique-Isabelle Forest, Marc Pusztaszeri
    Cancers.2022; 14(17): 4140.     CrossRef
  • Impact of Molecular Testing on the Management of Indeterminate Thyroid Nodules Among Western and Asian Countries: a Systematic Review and Meta-analysis
    Hanh Thi Tuyet Ngo, Truong Phan Xuan Nguyen, Trang Huyen Vu, Chan Kwon Jung, Lewis Hassell, Kennichi Kakudo, Huy Gia Vuong
    Endocrine Pathology.2021; 32(2): 269.     CrossRef
  • The Incidence of Noninvasive Follicular Thyroid Neoplasm with Papillary-Like Nuclear Features: A Meta-Analysis Assessing Worldwide Impact of the Reclassification
    Chanchal Rana, Huy Gia Vuong, Thu Quynh Nguyen, Hoang Cong Nguyen, Chan Kwon Jung, Kennichi Kakudo, Andrey Bychkov
    Thyroid.2021;[Epub]     CrossRef
  • Ultrasound-guided Fine Needle Aspiration Cytological Examination of Thyroid Nodules: A Practical Guideline (2019 edition)

    ADVANCED ULTRASOUND IN DIAGNOSIS AND THERAPY.2021; 5(2): 134.     CrossRef
  • Differences in surgical resection rate and risk of malignancy in thyroid cytopathology practice between Western and Asian countries: A systematic review and meta‐analysis
    Huy Gia Vuong, Hanh Thi Tuyet Ngo, Andrey Bychkov, Chan Kwon Jung, Trang Huyen Vu, Kim Bach Lu, Kennichi Kakudo, Tetsuo Kondo
    Cancer Cytopathology.2020; 128(4): 238.     CrossRef
  • Exploring the Inter-observer Agreement Among the Members of the Italian Consensus for the Classification and Reporting of Thyroid Cytology
    Anna Crescenzi, Pierpaolo Trimboli, Fulvio Basolo, Andrea Frasoldati, Fabio Orlandi, Lucio Palombini, Enrico Papini, Alfredo Pontecorvi, Paolo Vitti, Michele Zini, Francesco Nardi, Guido Fadda
    Endocrine Pathology.2020; 31(3): 301.     CrossRef
  • The Current Histologic Classification of Thyroid Cancer
    Sylvia L. Asa
    Endocrinology and Metabolism Clinics of North America.2019; 48(1): 1.     CrossRef
  • Clinical Impact of Non-Invasive Follicular Thyroid Neoplasm with Papillary-Like Nuclear Features on the Risk of Malignancy in the Bethesda System for Reporting Thyroid Cytopathology: A Meta-Analysis of 14,153 Resected Thyroid Nodules
    Huy Gia Vuong, Thao T.K. Tran, Andre y. Bychkov, Chan Kwon Jung, Tadao Nakazawa, Kennichi Kakudo, R yohei Katoh, Tetsuo Kondo
    Endocrine Practice.2019; 25(5): 491.     CrossRef
  • A Multi-institutional Study of Prevalence and Clinicopathologic Features of Non-invasive Follicular Thyroid Neoplasm with Papillary-like Nuclear Features (NIFTP) in Korea
    Ja Yeong Seo, Ji Hyun Park, Ju Yeon Pyo, Yoon Jin Cha, Chan Kwon Jung, Dong Eun Song, Jeong Ja Kwak, So Yeon Park, Hee Young Na, Jang-Hee Kim, Jae Yeon Seok, Hee Sung Kim, Soon Won Hong
    Journal of Pathology and Translational Medicine.2019; 53(6): 378.     CrossRef
  • Noninvasive follicular thyroid neoplasm with papillary‐like nuclear features (NIFTP) in thyroid tumor classification
    Kennichi Kakudo, Adel K. El‐Naggar, Steven P. Hodak, Elham Khanafshar, Yuri E Nikiforov, Vania Nosé, Lester D. R. Thompson
    Pathology International.2018; 68(6): 327.     CrossRef
  • Diagnostic value of HBME‐1, CK19, Galectin 3, and CD56 in the subtypes of follicular variant of papillary thyroid carcinoma
    Haeyon Cho, Ji‐Ye Kim, Young Lyun Oh
    Pathology International.2018; 68(11): 605.     CrossRef
  • The Usefulness of Immunocytochemistry of CD56 in Determining Malignancy from Indeterminate Thyroid Fine-Needle Aspiration Cytology
    Hyunseo Cha, Ju Yeon Pyo, Soon Won Hong
    Journal of Pathology and Translational Medicine.2018; 52(6): 404.     CrossRef
  • Impact of the modification of the diagnostic criteria in the 2017 Bethesda System for Reporting Thyroid Cytopathology: a report of a single institution in Japan
    Miyoko Higuchi, Mitsuyoshi Hirokawa, Risa Kanematsu, Aki Tanaka, Ayana Suzuki, Naoki Yamao, Toshitetsu Hayashi, Seiji Kuma, Akira Miyauchi
    Endocrine Journal.2018; 65(12): 1193.     CrossRef
  • The Use of Fine-Needle Aspiration (FNA) Cytology in Patients with Thyroid Nodules in Asia: A Brief Overview of Studies from the Working Group of Asian Thyroid FNA Cytology
    Chan Kwon Jung, SoonWon Hong, Andrey Bychkov, Kennichi Kakudo
    Journal of Pathology and Translational Medicine.2017; 51(6): 571.     CrossRef
Original Article
The Analysis of Indeterminate Category in Thyroid Fine Needle Aspiration.
Soo Kee Min, Jinwon Seo, Sun Young Jun, Kwangseon Min, Hye Rim Park
Korean J Pathol. 2010;44(6):657-661.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.657
  • 3,626 View
  • 20 Download
  • 1 Crossref
AbstractAbstract PDF
BACKGROUND
Descriptive diagnosis reports have been causing some problems in communication. Our institution decided to use the category diagnosis system since June, 2008. So we evaluated the effectiveness of this change.
METHODS
The category system is composed of unsatisfactory, suboptimal for diagnosis but suggestive of, most probably benign, indeterminate, suspicious for malignancy and malignancy. We evaluated 1,525 cases from June, 2008 to September, 2009. We analyzed 159 cases of the indeterminate category.
RESULTS
Among the 159 cases, 21 were re-aspirated and 63 underwent an operation. The diagnoses of the re-aspirated cases were 2 positive for malignancy, 5 indeterminate, 13 most probably benign, and 1 unsatisfactory. The surgical diagnoses were 39 malignancies, 2 follicular adenomas and 1 Hurthle cell adenoma, and 21 benign lesions. Re-aspiration for the indeterminate cases could help decide whether the lesions need to be operated or not at above 70%. The indeterminate category could predict the surgical diagnosis of the thyroid nodule with statistical significance when the subcategories were indicated (p < 0.001).
CONCLUSIONS
The category diagnosis is replacing the descriptive diagnosis for the thyroid fine needle aspiration. The indeterminate category is useful and effective for making the decision to operate and especially when the indeterminate subcategories are used.

Citations

Citations to this article as recorded by  
  • Fine Needle Aspiration Cytology of Thyroid Follicular Neoplasm: Cytohistologic Correlation and Accuracy
    Changyoung Yoo, Hyun Joo Choi, Soyoung Im, Ji Han Jung, Kiouk Min, Chang Suk Kang, Young-Jin Suh
    Korean Journal of Pathology.2013; 47(1): 61.     CrossRef

J Pathol Transl Med : Journal of Pathology and Translational Medicine