Journal of Pathology and Translational Medicine

Review

Diagnosis of interstitial lung diseases: from Averill A. Liebow to artificial intelligence: Eunhee S. Yi, Paul Wawryko, Jay H. Ryu; J Pathol Transl Med. 2024;58(1):1-11. Published online January 10, 2024; DOI: https://doi.org/10.4132/jptm.2023.11.17

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Abstract PDF: Histopathologic criteria of usual interstitial pneumonia (UIP)/idiopathic pulmonary fibrosis (IPF) were defined over the years and endorsed by leading organizations decades after Dr. Averill A. Liebow first coined the term UIP in the 1960s as a distinct pathologic pattern of fibrotic interstitial lung disease. Novel technology and recent research on interstitial lung diseases with genetic component shed light on molecular pathogenesis of UIP/IPF. Two antifibrotic agents introduced in the mid-2010s opened a new era of therapeutic approaches to UIP/IPF, albeit contentious issues regarding their efficacy, side effects, and costs. Recently, the concept of progressive pulmonary fibrosis was introduced to acknowledge additional types of progressive fibrosing interstitial lung diseases with the clinical and pathologic phenotypes comparable to those of UIP/IPF. Likewise, some authors have proposed a paradigm shift by considering UIP as a stand-alone diagnostic entity to encompass other fibrosing interstitial lung diseases that manifest a relentless progression as in IPF. These trends signal a pendulum moving toward the tendency of lumping diagnoses, which poses a risk of obscuring potentially important information crucial to both clinical and research purposes. Recent advances in whole slide imaging for digital pathology and artificial intelligence technology could offer an unprecedented opportunity to enhance histopathologic evaluation of interstitial lung diseases. However, current clinical practice trends of moving away from surgical lung biopsies in interstitial lung disease patients may become a limiting factor in this endeavor as it would be difficult to build a large histopathologic database with correlative clinical data required for artificial intelligence models.

Case Study

Morule-like features in pulmonary adenocarcinoma associated with epidermal growth factor receptor mutations: two case reports with targeted next-generation sequencing analysis: Yoo Jin Lee, Harim Oh, Eojin Kim, Bokyung Ahn, Jeong Hyeon Lee, Youngseok Lee, Yang Seok Chae, Chul Hwan Kim; J Pathol Transl Med. 2020;54(1):119-122. Published online November 1, 2019; DOI: https://doi.org/10.4132/jptm.2019.09.30

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Morules, or morule-like features, can be identified in benign and malignant lesions in various organs. Morular features are unusual in pulmonary adenocarcinoma cases with only 26 cases reported to date. Here, we describe two cases of pulmonary adenocarcinoma with morule-like features in Korean women. One patient had a non-mucinous-type adenocarcinoma in situ and the other had an acinarpredominant adenocarcinoma with a micropapillary component. Both patients showed multiple intra-alveolar, nodular, whorled proliferative foci composed of atypical spindle cells with eosinophilic cytoplasm. Targeted next-generation sequencing was performed on DNA extracted from formalin-fixed paraffin-embedded samples of the tumors. Results showed unusual epidermal growth factor receptor (EGFR) mutations, which are associated with drug resistance to EGFR tyrosine kinase inhibitors, revealing the importance of identifying morule-like features in pulmonary adenocarcinoma and the need for additional study, since there are few reported cases.

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Pulmonary adenocarcinoma in situ with morule - like components: A surgical case report
Mitsuteru Yosida, Mitsuru Tomita, Naoya Kawakita, Teruki Shimizu, Ryou Yamada, Hiromitsu Takizawa, Hisanori Uehara
Respiratory Medicine Case Reports.2024; 48: 102008. CrossRef
Clinicopathological, Radiological, and Molecular Features of Primary Lung Adenocarcinoma with Morule-Like Components
Li-Li Wang, Li Ding, Peng Zhao, Jing-Jing Guan, Xiao-Bin Ji, Xiao-Li Zhou, Shi-Hong Shao, Yu-Wei Zou, Wei-Wei Fu, Dong-Liang Lin, Dong Pan
Disease Markers.2021; 2021: 1. CrossRef

Original Article

Pulmonary Nodular Lymphoid Hyperplasia with Mass-Formation: Clinicopathologic Characteristics of Nine Cases and Review of the Literature: Jongmin Sim, Hyun Hee Koh, Sangjoon Choi, Jinah Chu, Tae Sung Kim, Hojoong Kim, Joungho Han; J Pathol Transl Med. 2018;52(4):211-218. Published online June 15, 2018; DOI: https://doi.org/10.4132/jptm.2018.04.27

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Abstract PDF

Background
Pulmonary nodular lymphoid hyperplasia (PNLH) is a non-neoplastic pulmonary lymphoid disorder that can be mistaken for malignancy on radiography. Herein, we present nine cases of PNLH, emphasizing clinicoradiological findings and histological features.
Methods
We analyzed radiological and clinicopathological features from the electronic medical records of nine patients (eight females and one male) diagnosed with PNLH. IgG and IgG4 immunohistochemical staining was performed in three patients.
Results
Two of the nine patients had experienced tuberculosis 40 and 30 years prior, respectively. Interestingly, none were current smokers, although two were ex-smokers. Three patients complaining of persistent cough underwent computed tomography of the chest. PNLH was incidentally discovered in five patients during examination for other reasons. The remaining patient was diagnosed with the disease following treatment for pneumonia. Imaging studies revealed consolidation or a mass-like lesion in eight patients. First impressions included invasive adenocarcinoma and mucosal-associated lymphoid tissue‒type lymphoma. Aspergillosis was suspected in the remaining patient based on radiological images. Resection was performed in all patients. Microscopically, the lesions consisted of nodular proliferation of reactive germinal centers accompanied by infiltration of neutrophils and macrophages in various degrees and surrounding fibrosis. Ultimately, all nine patients were diagnosed with PNLH and showed no evidence of recurrence on follow-up.
Conclusions
PNLH is an uncommon but distinct entity with a benign nature, and understanding the radiological and clinicopathological characteristics of PNLH is important.

Citations

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Utilizing Immunoglobulin G4 Immunohistochemistry for Risk Stratification in Patients with Papillary Thyroid Carcinoma Associated with Hashimoto Thyroiditis
Faridul Haq, Gyeongsin Park, Sora Jeon, Mitsuyoshi Hirokawa, Chan Kwon Jung
Endocrinology and Metabolism.2024; 39(3): 468. CrossRef
Clinical and Imaging Features of Pulmonary Nodular Lymphoid Hyperplasia
Dong-Lei Nie, Yan-Hong Shi, Xin-Min Li, Xiao-Jiang Wang, Bao-Li Han, Guo-Fu Zhang
Journal of Thoracic Imaging.2024;[Epub] CrossRef
Pulmonary Nodular Lymphoid Hyperplasia Evaluated with Bronchoalveolar Lavage Fluid Findings: A Case Report and Review of the Literature on Japanese Patients
Sakiko Moriyama, Takashi Kido, Noriho Sakamoto, Mai Fuchigami, Takatomo Tokito, Daisuke Okuno, Takuto Miyamura, Shota Nakashima, Atsuko Hara, Hiroshi Ishimoto, Yoshitaka Imaizumi, Kazuto Tsuruda, Katsunori Yanagihara, Junya Fukuoka, Hiroshi Mukae
Internal Medicine.2023; 62(1): 95. CrossRef
A Case of Pulmonary Nodular Lymphoid Hyperplasia Responding to Corticosteroid Treatment
Jonathan Teow Koon Goh, Issam Al Jajeh, Jessica Han Ying Tan
Cureus.2023;[Epub] CrossRef
Pulmonary nodular lymphoid hyperplasia presenting as cavitating lung mass
Aqeel Alameer, Chary Duraikannu, Avinash Kumar Kanodia, David Dorward
BMJ Case Reports.2023; 16(8): e254121. CrossRef
Clinicopathological Characteristics and Curative Effect of Lymphoma Based on Sampling Theory
Shuxiang Ding, Leipo Liu
Mathematical Problems in Engineering.2022; 2022: 1. CrossRef
Pulmonary nodular lymphoid hyperplasia presenting as multifocal subsolid nodules: A case report and literature review
Yoon Jin Cha, Duk Hwan Moon, Ji Hyun Park, Sungsoo Lee, Ji Ae Choi, Tae Hoon Kim, Chul Hwan Park
Respiratory Medicine Case Reports.2022; 36: 101581. CrossRef
Pulmonary nodular lymphoid hyperplasia in a 53-year-old man with malignant sign: a case report
Zhen Yang, Lianshuang Wei, Xu Li, Xin Liu
Journal of Cardiothoracic Surgery.2021;[Epub] CrossRef
The diagnostic challenge of adenocarcinoma in pulmonary nodular lymphoid hyperplasia
Anita Savić Vuković, Melita Kukuljan, Morana Dinter, Ksenija Jurinović, Nives Jonjić
SAGE Open Medical Case Reports.2021;[Epub] CrossRef

Case Study

Sclerosing Perivascular Epithelioid Cell Tumor of the Lung: A Case Report with Cytologic Findings: Ha Yeon Kim, Jin Hyuk Choi, Hye Seung Lee, Yoo Jin Choi, Aeree Kim, Han Kyeom Kim; J Pathol Transl Med. 2016;50(3):238-242. Published online April 11, 2016; DOI: https://doi.org/10.4132/jptm.2016.02.19

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Abstract PDF

Benign perivascular epithelioid cell tumor (PEComa) of the lung is a rare benign neoplasm, a sclerosing variant of which is even rarer. We present a case of 51-year-old man who was diagnosed with benign sclerosing PEComa by percutaneous fine needle aspiration cytology and biopsy. The aspirate revealed a few cell clusters composed of bland-looking polygonal or spindle cells with fine granular or clear cytoplasm. Occasional fine vessel-like structures with surrounding hyalinized materials were seen. The patient later underwent wedge resection of the lung. The histopathological study of the resected specimen revealed sheets of polygonal cells with clear vacuolated cytoplasm, variably sized thin blood vessels, and densely hyalinized stroma. In immunohistochemical studies, reactivity of tumor cells for human melanoma black 45 and Melan-A further supported the diagnosis of benign sclerosing PEComa. To the best of our knowledge, this is the first case of benign sclerosing PEComa described in lung.

Citations

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Cytopathology of rare gastric mesenchymal neoplasms: A series of 25 cases and review of literature
Carla Saoud, Peter B. Illei, Momin T. Siddiqui, Syed Z. Ali
Cytopathology.2023; 34(1): 15. CrossRef
Retroperitoneal Sclerosing Angiomyolipoma with Long-Term Follow up: A Case Report with Unique Clinicopathologic and Genomic Profile
Liwei Jia, Vandana Panwar, Michelle Parmley, Elena Lucas, Ivan Pedrosa, Payal Kapur
International Journal of Surgical Pathology.2022; 30(1): 86. CrossRef
Perivascular epithelioid cell tumor of the lung: A case report and literature review
Shaofu Yu, Shasha Zhai, Qian Gong, Xiaoping Hu, Wenjuan Yang, Liyu Liu, Yi Kong, Lin Wu, Xingxiang Pu
Thoracic Cancer.2022; 13(17): 2542. CrossRef
Cytopathology of extra-renal perivascular epithelioid cell tumor (PEComa): a series of 7 cases and review of the literature
Sintawat Wangsiricharoen, Tatianna C. Larman, Paul E. Wakely, Momin T. Siddiqui, Syed Z. Ali
Journal of the American Society of Cytopathology.2021; 10(2): 175. CrossRef
Clear cell sugar tumour: a rare tumour of the lung
Sarah Page, Matthew S. Yong, Alka Sinha, Pankaj Saxena
ANZ Journal of Surgery.2020;[Epub] CrossRef
Perivascular Epithelioid Cell Tumors (PEComas) of the Orbit
Panagiotis Paliogiannis, Giuseppe Palmieri, Francesco Tanda, Antonio Cossu
Journal of Pathology and Translational Medicine.2017; 51(1): 7. CrossRef

Original Article

Therapeutic Effects of Umbilical Cord Blood Derived Mesenchymal Stem Cell-Conditioned Medium on Pulmonary Arterial Hypertension in Rats: Jae Chul Lee, Choong Ik Cha, Dong-Sik Kim, Soo Young Choe; J Pathol Transl Med. 2015;49(6):472-480. Published online October 16, 2015; DOI: https://doi.org/10.4132/jptm.2015.09.11; Retraction in: J Pathol Transl Med 2016;50(4):325

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Brief Case Report

Indolent CD56-Positive Clonal T-Cell Lymphoproliferative Disease of the Stomach Mimicking Lymphomatoid Gastropathy: Mineui Hong, Won Seog Kim, Young Hyeh Ko; Korean J Pathol. 2014;48(6):430-433. Published online December 31, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.6.430

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Case Report: Primary Indolent Epstein-Barr Virus-Positive T-Cell Lymphoproliferative Disease Involving the Central Nervous System
Kun Wang, Jinjian Li, Xuehui Zhou, Junhui Lv, Yirong Wang, Xinwei Li
Frontiers in Surgery.2022;[Epub] CrossRef
Indolent NK cell proliferative lesion mimicking NK/T cell lymphoma in the gallbladder
Su Hyun Hwang, Joon Seong Park, Seong Hyun Jeong, Hyunee Yim, Jae Ho Han
Human Pathology: Case Reports.2016; 5: 39. CrossRef

Original Articles

Usual Interstitial Pneumonia with Lung Cancer: Clinicopathological Analysis of 43 Cases: Dae Hyun Song, In Ho Choi, Sang Yun Ha, Kang Min Han, Jae Jun Lee, Min Eui Hong, Kyeongman Jeon, Man Pyo Chung, Jhingook Kim, Joungho Han; Korean J Pathol. 2014;48(1):10-16. Published online February 25, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.1.10

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Abstract PDF

Background

Previous studies have suggested an association between usual interstitial pneumonia (UIP) and lung cancer (Ca). However, clinical and histological information is not enough to determine such an association, due to the low incidence and short survival time of patients with both conditions.

Methods

We retrospectively reviewed the clinical and histological records of Ca patients with UIP between January 1999 and August 2013 at the Samsung Medical Center, Seoul, Korea. We found 43 patients who had Ca with UIP (UIP-Ca). Previously reported data of eighty-four patients with UIP-only were included as a comparison group.

Results

Smoking is related to poor prognosis in patients with UIP-Ca, and the number of patients with a high smoking index of more than 30 pack-years significantly increased in UIP-Ca patients compared with UIP-only patients. There is no significant prognostic differentiation between UIP-Ca patients and UIP-only patients. Microscopically, UIP-Ca patients showed characteristically heterogeneous histological patterns and degrees of differentiation. There were many foci of squamous metaplasia or dysplasia at the peripheral area of squamous cell carcinomas.

Conclusions

We report 43 cases of UIP-Ca. Our results suggest that smoking is related to cancer occurrence in UIP patients and poor prognosis in UIP-Ca patients.

Citations

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Prognosis of idiopathic pulmonary fibrosis without anti-fibrotic therapy: a systematic review
Yet H. Khor, Yvonne Ng, Hayley Barnes, Nicole S.L. Goh, Christine F. McDonald, Anne E. Holland
European Respiratory Review.2020; 29(157): 190158. CrossRef
Linfoma difuso de células B grandes pulmonar en paciente con neumonía intersticial no específica
Luis Gorospe Sarasúa, Paola Arrieta, Anabelle Chinea-Rodríguez, Carlos de la Puente-Bujidos
Reumatología Clínica.2019; 15(6): e151. CrossRef
Diffuse Large B-cell Lymphoma of the Lung in a Patient With Nonspecific Interstitial Pneumonia
Luis Gorospe Sarasúa, Paola Arrieta, Anabelle Chinea-Rodríguez, Carlos de la Puente-Bujidos
Reumatología Clínica (English Edition).2019; 15(6): e151. CrossRef
Characteristics of lung cancer among patients with idiopathic pulmonary fibrosis and interstitial lung disease – analysis of institutional and population data
Joo Heung Yoon, Mehdi Nouraie, Xiaoping Chen, Richard H Zou, Jacobo Sellares, Kristen L Veraldi, Jared Chiarchiaro, Kathleen Lindell, David O Wilson, Naftali Kaminski, Timothy Burns, Humberto Trejo Bittar, Samuel Yousem, Kevin Gibson, Daniel J Kass
Respiratory Research.2018;[Epub] CrossRef
Genomic profiles of lung cancer associated with idiopathic pulmonary fibrosis
Ji An Hwang, Deokhoon Kim, Sung‐Min Chun, SooHyun Bae, Joon Seon Song, Mi Young Kim, Hyun Jung Koo, Jin Woo Song, Woo Sung Kim, Jae Cheol Lee, Hyeong Ryul Kim, Chang‐Min Choi, Se Jin Jang
The Journal of Pathology.2018; 244(1): 25. CrossRef
Survival after repeated surgery for lung cancer with idiopathic pulmonary fibrosis: a retrospective study
Seijiro Sato, Yuki Shimizu, Tatsuya Goto, Akihiko Kitahara, Terumoto Koike, Hiroyuki Ishikawa, Takehiro Watanabe, Masanori Tsuchida
BMC Pulmonary Medicine.2018;[Epub] CrossRef
Alveolar Squamous Cell Metaplasia: Preneoplastic Lesion?
Adriana Handra-Luca
Journal of Pathology and Translational Medicine.2018; 52(6): 355. CrossRef
Low expression of long noncoding RNA CDKN2B-AS1 in patients with idiopathic pulmonary fibrosis predicts lung cancer by regulating the p53-signaling pathway
Yufeng Du, Xiaoyan Hao, Xuejun Liu
Oncology Letters.2018;[Epub] CrossRef
A clinicopathological study of surgically resected lung cancer in patients with usual interstitial pneumonia
Yasutaka Watanabe, Yoshinori Kawabata, Nobuyuki Koyama, Tomohiko Ikeya, Eishin Hoshi, Noboru Takayanagi, Shinichiro Koyama
Respiratory Medicine.2017; 129: 158. CrossRef
Risk of the preoperative underestimation of tumour size of lung cancer in patients with idiopathic interstitial pneumonias
Mariko Fukui, Kazuya Takamochi, Takeshi Matsunaga, Shiaki Oh, Katsutoshi Ando, Kazuhiro Suzuki, Atsushi Arakawa, Toshimasa Uekusa, Kenji Suzuki
European Journal of Cardio-Thoracic Surgery.2016; 50(3): 428. CrossRef
The Idiopathic Interstitial Pneumonias: Histology and Imaging
Diane C. Strollo, Teri J. Franks, Jeffrey R. Galvin
Seminars in Roentgenology.2015; 50(1): 8. CrossRef
Do Chest Expansion Exercises Aid Re‐shaping the Diaphragm Within the First 72 Hours Following Lung Transplantation in a Usual Interstitial Pneumonia Patient?
Massimiliano Polastri, Erika Venturini, Saverio Pastore, Andrea Dell'Amore
Physiotherapy Research International.2015; 20(3): 191. CrossRef
Scrotal wall metastasis from a primary lung adenocarcinoma
Marie-Louise M. Coussa-Koniski, Pia A. Maalouf, Nehme E. Raad, Noha A. Bejjani
Respiratory Medicine Case Reports.2015; 15: 77. CrossRef
The Ratio KL-6 to SLX in Serum for Prediction of the Occurrence of Drug-Induced Interstitial Lung Disease in Lung Cancer Patients with Idiopathic Interstitial Pneumonias Receiving Chemotherapy
Kosuke Kashiwabara, Hiroshi Semba, Shinji Fujii, Shinsuke Tsumura, Ryota Aoki
Cancer Investigation.2015; 33(10): 516. CrossRef
Idiopathic pulmonary fibrosis will increase the risk of lung cancer
Li Junyao, Yang Ming, Li Ping, Su Zhenzhong, Gao Peng, Zhang Jie
Chinese Medical Journal.2014; 127(17): 3142. CrossRef

Morphologic Analysis of Pulmonary Neuroendocrine Tumors: Seung Seok Lee, Myunghee Kang, Seung Yeon Ha, Jungsuk An, Mee Sook Roh, Chang Won Ha, Jungho Han; Korean J Pathol. 2013;47(1):16-20. Published online February 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.16

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Abstract PDF

Background

Few studies on how to diagnose pulmonary neuroendocrine tumors through morphometric analysis have been reported. In this study, we measured and analyzed the characteristic parameters of pulmonary neuroendocrine tumors using an image analyzer to aid in diagnosis.

Methods

Sixteen cases of typical carcinoid tumor, 5 cases of atypical carcinoid tumor, 15 cases of small cell carcinoma, and 51 cases of large cell neuroendocrine carcinoma were analyzed. Using an image analyzer, we measured the nuclear area, perimeter, and the major and minor axes.

Results

The mean nuclear area was 0.318±0.101 µm² in typical carcinoid tumors, 0.326±0.119 µm² in atypical carcinoid tumors, 0.314±0.107 µm² in small cell carcinomas, and 0.446±0.145 µm² in large cell neuroendocrine carcinomas. The mean nuclear circumference was 2.268±0.600 µm in typical carcinoid tumors, 2.408±0.680 µm in atypical carcinoid tumors, 2.158±0.438 µm in small cell carcinomas, and 3.247±1.276 µm in large cell neuroendocrine carcinomas. All parameters were useful in distinguishing large cell neuroendocrine carcinoma from other tumors (p=0.001) and in particular, nuclear circumference was the most effective (p=0.001).

Conclusions

Pulmonary neuroendocrine tumors showed nuclear morphology differences by subtype. Therefore, evaluation of quantitative nuclear parameters improves the accuracy and reliability of diagnosis.

Citations

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Clinical Significance of Persistent Tumor in Bone Marrow during Treatment of High-risk Neuroblastoma
Young Bae Choi, Go Eun Bae, Na Hee Lee, Jung-Sun Kim, Soo Hyun Lee, Keon Hee Yoo, Ki Woong Sung, Hong Hoe Koo
Journal of Korean Medical Science.2015; 30(8): 1062. CrossRef
Morphologic Alteration of Metastatic Neuroblastic Tumor in Bone Marrow after Chemotherapy
Go Eun Bae, Yeon-Lim Suh, Ki Woong Sung, Jung-Sun Kim
Korean Journal of Pathology.2013; 47(5): 433. CrossRef

Case Reports

Mimicry of Minute Pulmonary Meningothelial-like Nodules to Metastatic Deposits in a Patient with Infiltrating Lobular Carcinoma: A Case Report and Review of the Literature: Hala Kfoury, Maria A. Arafah, Maha M. Arafah, Sami Alnassar, Waseem Hajjar; Korean J Pathol. 2012;46(1):87-91. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.87

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Abstract PDF

Minute pulmonary meningothelial-like nodules (MPMNs) are incidentally found lesions in lung resection specimens and autopsies. MPMNs have been associated with neoplastic and non-neoplastic pulmonary conditions and occasionally with extrapulmonary diseases. We report a case of a female patient presenting with invasive lobular carcinoma of the breast and MPMNs, masquerading as metastatic deposits. We describe the morphological, immunohistochemical and ultrastructural features of MPMNs and emphasize the importance of their recognition for proper staging and treatment of patients. To our knowledge, this is the first case in the English literature describing this coexistence.

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Diffuse pulmonary meningotheliomatosis with pan-TRK expression by immunohistochemistry: a novel finding and potential pitfall
Cansu Karakas, Michael A. Nead, Moises J. Velez
Diagnostic Pathology.2023;[Epub] CrossRef
Diffuse Pulmonary Meningotheliomatosis: Clinic-Pathologic Entity or Indolent Metastasis from Meningioma (or Both)?
Laura Melocchi, Giulio Rossi, Mirca Valli, Maria Cecilia Mengoli, Michele Mondoni, Luigi Lazzari-Agli, Giacomo Santandrea, Fabio Davoli, Chiara Baldovini, Alberto Cavazza, Thomas V. Colby
Diagnostics.2023; 13(4): 802. CrossRef
Pathological diagnosis and immunohistochemical analysis of minute pulmonary meningothelial-like nodules: A case report
Xin Ruan, Liu-Sheng Wu, Zheng-Yang Fan, Qi Liu, Jun Yan, Xiao-Qiang Li
World Journal of Clinical Cases.2023; 11(33): 8022. CrossRef
Benign disease prone to be misdiagnosed as malignant pulmonary nodules: Minute meningothelioid nodules
Xiao‐Xiao Peng, Li‐Xu Yan, Chao Liu, Si‐Yun Wang, Wen‐Feng Li, Xing Gao, Xue‐Wu Wei, Qing Zhou
Thoracic Cancer.2019; 10(5): 1182. CrossRef
Atypical finding of meningothelial-like inclusions in cervical lymph nodes
Rebecca Donkin, Andrew Dettrick, Penelope Wyche, Sarah Grigg
Pathology.2018; 50(7): 785. CrossRef
Minute Pulmonary Meningothelial-Like Nodules Simulating Hematogenous Lung Metastasis: A Case Report
Sang Kook Lee, Gi Jeong Kim, Young Jae Kim, Ah Young Leem, Eu Dong Hwang, Se Kyu Kim, Joon Chang, Young Ae Kang, Song Yee Kim
Tuberculosis and Respiratory Diseases.2013; 75(2): 67. CrossRef
Diffuse Pulmonary Meningotheliomatosis Diagnosed by Transbronchial Lung Biopsy
Roberto Bernabeu Mora, Juan Miguel Sánchez Nieto, Chunshao Hu, Eduardo Alcaraz Mateos, Alberto Giménez Bascuñana, Manuel Rodríguez Rodríguez
Respiration.2013; 86(2): 145. CrossRef

Congenital Pulmonary Lymphangiectasia, Associated with Total Anomalous Pulmonary Venous Return.: Seong Wook Hwang, Mee Seon Kim, Po Eun Park, Tae In Park; Korean J Pathol. 2011;45(6):650-653.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.6.650

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Abstract PDF: Congenital pulmonary lymphangiectasia (CPL) is very rare. It shows diffuse pulmonary lymphatic dilatation without lymphatic proliferation. CPL can occur as a primary disorder or arise secondarily from other diseases such as the obstruction of pulmonary veins or lymphatics. The prognosis of CPL is very poor. Approximately 50% of infants are stillborn and most others usually die within the first day of life. The present case showed diffuse lymphangiectasia in the subpleural, interlobular, and peribronchovascular areas. The flat lining cells were immunohistochemically positive for D2-40 and CD31. CPL is usually diagnosed by clinicoradiological or postmortem examinations. However, our case was diagnosed by an antemortem lung biopsy. We report a case of CPL with total anomalous pulmonary venous return.

Original Article

Pulmonary Vascular Sarcomas: Clinicopathologic Analysis of 14 Cases.: Na Rae Kim, Jhingook Kim, Seung Yeon Ha, Joungho Han; Korean J Pathol. 2011;45(2):132-138.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.2.132

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Abstract PDF

BACKGROUND
Pulmonary vessel sarcomas are rare, and their pathogenesis is still unclear.
METHODS
We focus on the pathologic findings of fourteen pulmonary artery and/or vein sarcomas along with clinical prognosis.
RESULTS
Nine patients were male and five were female, and they ranged in age from 26 to 72 years (mean, 47 years). There were ten cases of pulmonary artery sarcoma, three cases of pulmonary artery and vein sarcoma, and one case of pure pulmonary vein sarcoma. Ten out of the fourteen cases were associated with pulmonary thromboembolism. Microscopically, all the tumors showed an undifferentiated sarcomatous portion. There were leiomyosarcoma portions in 8 cases, malignant fibrous histiocytomatous portions in 7 cases, angiosarcomatous differentiation in 3 cases, and osteosarcomatous portion in 1 case. All but two patients died during the follow up period (range, 1 to 78 months). The mean survival time of the patients who died was 14 months and the longest survival time was 78 months after surgical resection.
CONCLUSIONS
The current study is one of the largest single institutional reviews of pulmonary artery and/or vein sarcoma. Regardless of the histological components and macroscopic growth patterns, these rare tumors have a grave prognosis.

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Roberto Bava, Fabio Castagna, Vincenzo Musella, Carmine Lupia, Ernesto Palma, Domenico Britti
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Intimal Sarcoma of the Great Vessels
Alan M. Ropp, Allen P. Burke, Seth J. Kligerman, Jay S. Leb, Aletta A. Frazier
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Case Report

Complex Bronchopulmonary Foregut Malformation: Extralobar Pulmonary Sequestration Communicating with an Esophageal Duplication Cyst: A Case Report.: Soyoung Im, Sun Mi Lee, Ji Han Jung, Jinyoung Yoo, Kyu Do Cho, Seok Jin Kang, Kyo Young Lee; Korean J Pathol. 2010;44(2):207-210.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.2.207

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Abstract PDF

We report here on a case of a rare, complex bronchopulmonary foregut malformation (BPFM) that was composed of an extralobar pulmonary sequestration communicating with an esophageal duplication cyst. A 33-year-old female presented with an incidentally detected chest mass. The computed tomography revealed a 7.5 x 4.0 cm sized heterogeneous, solid and cystic lesion in the right superior mediastinum. Surgical resection demonstrated the solid portion to be isolated lung tissue invested in its own pleura. A unilocular cyst was communicating with the bronchus of the sequestrated lung, and microscopically the cyst was lined by squamous epithelium overlying the thick layers of smooth muscle. This case is important for understanding the spectrum of BPFMs and for differentiating a mediastinal mass, especially one at the unusual location.

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Prenatal ultrasound, magnetic resonance imaging and therapeutic options for fetal thoracic anomalies: a pictorial essay
Pablo Caro-Domínguez, Teresa Victoria, Pierluigi Ciet, Estrella de la Torre, Ángel Chimenea Toscano, Lutgardo García Diaz, José Antonio Sainz-Bueno
Pediatric Radiology.2023; 53(10): 2106. CrossRef
Concurrent bronchopulmonary foregut malformations: a rare case of right-sided extralobar pulmonary sequestration and bronchogenic cyst
Carolyn Hanna, Priya G. Sharma, Moiz M. Mustafa, Jennifer Reppucci, Archana Shenoy, Dhanashree Rajderkar
Egyptian Journal of Radiology and Nuclear Medicine.2021;[Epub] CrossRef

Original Articles

eNOS Gene Polymorphisms in Perinatal Hypoxic-Ischemic Encephalopathy.: Min Cho, Kwang Sun Hyun, David Chanwook Chung, In Young Choi, Myeung Ju Kim, Young Pyo Chang; Korean J Pathol. 2009;43(4):306-311.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.4.306; Retraction in: J Pathol Transl Med 2019;53(5):345

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A Scanning Electron Microscopic Study on Microvascular Changes in the Monocrotaline-induced Rat Lung by Corrosion Casting Method.: Na Hye Myong, Eui Keun Ham; Korean J Pathol. 1995;29(5):644-659.

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Abstract: To investigate the microvascular changes in primary pulmonary hypertension, the lungs of 24 Sprague-Dawley rats were treated by an intraperitoneal injection of 2% monocrotaline(MCT) solution and then examined with scanning electron microscopy(SEM) after microvascular corrosion casting. Histologic examination revealed significant medial thickening in the small to medium-sized pulmonary arteries. Scanning electron microscopic findings of the normal lungs showed two kinds of microvascular structures. One showed a well-fortned three-dimensional basket structure of uniform flat-tubular alveolar capillaries, which were connected to each other in a T or Y shape or at right angles. The other revealed a two-dimensional reticular sheet of round tubular branches mainly in the bronchial artery-supplying regions. The MCT-treated groups(remodelling) showed apparent changes in both kinds of microvasculatures in comparison to the normal group but the more prominent change was found in Lbe bronchial artery microvasculature showing the dense thick encasement around large pulmonary arteries. Alveolar microvasculature of the pulmonary artery revealed individually enlarged angular appearance, with generally deformed alveolar architecture. Quantitatively, the significant enlargement of diameter and intercapillary distance appeared in both microvasculatures of MCT-induced rat lungs, but the density was increased only in the bronchial artery microvasculature. In conclusion, our three-dimensional microvascular study of the MCT-treated rat lungs demonstrates a new morphologic finding of vascular remodeling in primary puhnonary hypertension, which is thought to play an important vascular role in the pathogenesis in addition to interstitial fibrosis.

Case Report

Malignant Small Cell Tumor of the Thoracopulmonary Region (Askin Tumor): Report of a case.: Young Im Han, Hye Jin Lee, Kang Suek Suh, Sun Kyung Lee; Korean J Pathol. 1995;29(5):687-690.

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Abstract: Malignant small cell tumor(MSCT) of the thoracopulmonary region(Askin tumor) is extremely rare and is seen predominantly in children and adolescents. This tumor represents a distinct clinicopathologic entity of neuroectodertnal origin, arising from the soft tissues of the chest wall or peripheral lung. This tumor tends to recur locally, but does not seem to disseminate widely. The overall survival is poor. Recently, we experienced a case of the MSCT of the thoracopulmonary region of a 12-year-old female. She was admitted because of a chest wall mass on radiographic examination, and a complaint of intermittent chest pain. Grossly, the mass was lobulated, round and had a solid appearance with focal necrosis and hemorrhage on the cut surface. Histologically, small round to oval cells were arranged in compact sheets, nests and lobular patterns with intervening fibrovascular stroma. Ultrastructurally, the presence of loose-fitting membrane-bound neurosecretory granules was noted.

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