Journal of Pathology and Translational Medicine

Heejin Bang

3 Articles

Cytologic Characteristics of Thymic Adenocarcinoma with Enteric Differentiation: A Study of Four Fine-Needle Aspiration Specimens: Ah-Young Kwon, Joungho Han, Hae-yon Cho, Seokhwi Kim, Heejin Bang, Jiyeon Hyeon; J Pathol Transl Med. 2017;51(5):509-512. Published online August 4, 2017; DOI: https://doi.org/10.4132/jptm.2017.03.22

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Thymic adenocarcinoma is extremely rare. Although its histologic features have been occasionally reported, a lack of description of the cytologic features has hampered the prompt and accurate diagnosis of this condition. Herein, we describe the cytologic findings and histology of four aspiration cytology specimens of thymic adenocarcinoma. The specimens were obtained from primary tumors, metastatic lymph nodes, and pericardial effusions. All four specimens showed three-dimensional glandular clusters with a loss of polarity and nuclear overlapping. One specimen had extensive extracellular mucinous material. Three specimens contained tumor cells with intracytoplasmic vacuoles. While the specimen with extracellular mucin showed relatively mild cytologic atypia, other specimens exhibited more atypical cytologic changes: irregular nuclear membranes, a coarse chromatin pattern, and prominent nucleoli. The cytologic features were correlated with the histologic features in each case of enteric type thymic adenocarcinoma. The differential diagnosis included other thymic carcinomas, yolk sac tumors, and metastatic adenocarcinoma from the lung or colorectum.

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Systemic chemotherapy for unresectable or recurrent primary thymic adenocarcinoma of enteric type
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Medicine.2021; 100(15): e25254. CrossRef
A case report: primary thymic adenocarcinoma with enteric differentiation
Yuuki Kou, Hirokazu Tanaka, Nobuhisa Yamazaki, Hiroyoshi Watanabe, Makoto Sonobe
The Journal of the Japanese Association for Chest Surgery.2020; 34(2): 107. CrossRef
Primary thymic adenocarcinoma with an aggressive clinical course: An autopsy case showing signet ring cell‐like features
Ayako Shiono, Takashi Fujino, Kyoichi Kaira, Tomomi Kato, Masanori Yasuda, Kunihiko Kobayashi, Hiroshi Kagamu
Thoracic Cancer.2020; 11(12): 3609. CrossRef
Primary Thymic Signet Ring Cell Adenocarcinoma: A Currently Unrecognized Variant
Richard Benedict Supan Roxas, Marie Christine Fajatin Bernardo, Araceli Pacis Jacoba, Janet Lim-Dy, Anarose Cariaga Alvarado, Jasna Metovic, Laura Annaratone, Mauro Papotti
International Journal of Surgical Pathology.2019; 27(3): 315. CrossRef
Disseminated and massive tumor burden in a case of primary thymic mucinous adenocarcinoma
Hui-Wen Liu, Chih-Yi Liu, Yi-Chen Yeh
Journal of Cancer Research and Practice.2019; 6(3): 151. CrossRef

Chronic Placental Inflammation in Twin Pregnancies: Heejin Bang, Go Eun Bae, Ha Young Park, Yeon Mee Kim, Suk-Joo Choi, Soo-young Oh, Cheong-Rae Roh, Jung-Sun Kim; J Pathol Transl Med. 2015;49(6):489-496. Published online October 13, 2015; DOI: https://doi.org/10.4132/jptm.2015.09.09

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Background
Chronic placental inflammation, such as villitis of unknown etiology (VUE) and chronic chorioamnionitis (CCA), is considered a placental manifestation of maternal anti-fetal rejection. The aim of this study is to investigate its frequency in twin pregnancies compared to singleton pregnancies. Methods: Three hundred twin placentas and 1,270 singleton placentas were consecutively collected at a tertiary medical center in Seoul, Republic of Korea from 2009 to 2012. Hematoxylin and eosin sections of tissue samples (full-thickness placental disc and chorioamniotic membranes) were reviewed. Results: Non-basal VUE was more frequent in twin placentas than in singleton placentas (6.0% vs 3.2%, p < .05). In preterm birth, CCA was found less frequently in twin placentas than in singleton placentas (9.6% vs 14.8%, p < .05), reaching its peak at an earlier gestational age in twin placentas (29–32 weeks) than in singleton placentas (33–36 weeks). CCA was more frequent in twin pregnancies with babies of a different sex than with those with the same sex (13.8% vs 6.9%, p = .052). Separate dichorionic diamniotic twin placentas were affected by chronic deciduitis more frequently than singleton placentas (16.9% vs 9.7%, p < .05). Conclusions: The higher frequency of non-basal VUE in twin placentas and of CCA in twin placentas with different fetal sex supports the hypothesis that the underlying pathophysiological mechanism is maternal anti-fetal rejection related to increased fetal antigens in twin pregnancies. The peak of CCA at an earlier gestational age in twin placentas than in singleton placentas suggests that CCA is influenced by placental maturation.

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Villitis of unknown etiology, chronic deciduitis, chronic chorioamnionitis and chronic histiocytic intervillositis in monozygotic and dizygotic twin pregnancies. A retrospective analysis of 16 cases
Henning Feist, Ulrich Lehmann, Simin Bajwa, Corinna Brüschke, Nora Schaumann
Placenta.2023; 133: 32. CrossRef
Histopathologic evaluation of dichorionic twin placentas in unassisted and in vitro fertilized pregnancies affected by preeclampsia
Evelina Manvelyan, Karmaine A. Millington, Baruch S. Abittan, Matthew J. Blitz, Brittany Kwait, Weiwei Shan, Randi H. Goldman
The Journal of Maternal-Fetal & Neonatal Medicine.2022; 35(26): 10262. CrossRef
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Gabriel S. Sargsyan, Olesya N. Bespalova, Alevtina M. Savicheva, Tatyana A. Khusnutdinova, Olga V. Budilovskaya, Anna A. Krysanova, Kira V. Shalepo
Journal of obstetrics and women's diseases.2022; 71(5): 65. CrossRef
Disorders of placental villous maturation in fetal death
Sunil Jaiman, Roberto Romero, Percy Pacora, Eunjung Jung, Gaurav Bhatti, Lami Yeo, Yeon Mee Kim, Bomi Kim, Chong Jai Kim, Jung-Sun Kim, Faisal Qureshi, Suzanne M. Jacques, Offer Erez, Nardhy Gomez-Lopez, Chaur-Dong Hsu
Journal of Perinatal Medicine.2020;[Epub] CrossRef
Biochemical predictors of preterm birth in twin pregnancies: A systematic review involving 6077 twin pregnancies
Shemoon Marleen, Chamalika Dias, Rebecca MacGregor, John Allotey, Joseph Aquilina, Asma Khalil, Shakila Thangaratinam
European Journal of Obstetrics & Gynecology and Reproductive Biology.2020; 250: 130. CrossRef
Serratia marcescens as a cause of unfavorable outcome in the twin pregnancy
Duško Kljakić, Miloš Z. Milosavljević, Milan Jovanović, Vesna Čolaković Popović, Saša Raičević
Open Medicine.2020; 16(1): 81. CrossRef
The frequency and clinical significance of intra-amniotic inflammation in twin pregnancies with preterm labor and intact membranes
Kyung Joon Oh, Joon-Seok Hong, Roberto Romero, Bo Hyun Yoon
The Journal of Maternal-Fetal & Neonatal Medicine.2019; 32(4): 527. CrossRef
Discordance of Twin Placentas for Multifocal Eosinophilic/T-cell Chorionic Vasculitis
Erik W Nohr, James R Wright
Pediatric and Developmental Pathology.2019; 22(1): 40. CrossRef
Differential immunophenotype of macrophages in acute and chronic chorioamnionitis
Go-Eun Bae, Joon-Seok Hong, Jung-Sun Kim, Ha Young Park, Ja Yun Jang, Yi Seul Kim, Suk-Joo Choi, Soo-young Oh, Cheong-Rae Roh
Journal of Perinatal Medicine.2017;[Epub] CrossRef
Fetal death: an extreme manifestation of maternal anti-fetal rejection
Kia Lannaman, Roberto Romero, Tinnakorn Chaiworapongsa, Yeon Mee Kim, Steven J. Korzeniewski, Eli Maymon, Nardhy Gomez-Lopez, Bogdan Panaitescu, Sonia S. Hassan, Lami Yeo, Bo Hyun Yoon, Chong Jai Kim, Offer Erez
Journal of Perinatal Medicine.2017;[Epub] CrossRef

Supratentorial Hemangioblastoma with Unusual Features: Yooju Shin, Seokhwi Kim, Hyun-Woo Lee, Heejin Bang, Yeon-Lim Suh; Korean J Pathol. 2014;48(6):462-465. Published online December 31, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.6.462

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Supratentorial Hemangioblastoma in Adults: A Systematic Review and Comparison of Infratentorial and Spinal Cord Locations
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World Neurosurgery.2023; 173: 48. CrossRef
Neuropathologic features of central nervous system hemangioblastoma
Rebecca A. Yoda, Patrick J. Cimino
Journal of Pathology and Translational Medicine.2022; 56(3): 115. CrossRef
The loss of succinate dehydrogenase B expression is frequently identified in hemangioblastoma of the central nervous system
Tae Hoon Roh, Hyunee Yim, Jin Roh, Kyi Beom Lee, So Hyun Park, Seon-Yong Jeong, Se-Hyuk Kim, Jang-Hee Kim
Scientific Reports.2019;[Epub] CrossRef
Supratentorial hemangioblastomas in von Hippel–Lindau wild-type patients – case series and literature review
Luís Rocha, Carolina Noronha, Ricardo Taipa, Joaquim Reis, Mário Gomes, Ernesto Carvalho
International Journal of Neuroscience.2018; 128(3): 295. CrossRef
MR Imaging Findings of Supratentorial Meningeal Hemangioblastoma: A Case Report
Gi Hong Kim, Ho Kyu Lee, Myeong Ju Koh, Young Hee Maeng
Journal of the Korean Society of Radiology.2016; 75(1): 26. CrossRef

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