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Original Article
- Size of Non-lepidic Invasive Pattern Predicts Recurrence in Pulmonary Mucinous Adenocarcinoma: Morphologic Analysis of 188 Resected Cases with Reappraisal of Invasion Criteria
- Soohyun Hwang, Joungho Han, Misun Choi, Myung-Ju Ahn, Yong Soo Choi
- J Pathol Transl Med. 2017;51(1):56-68. Published online October 16, 2016
- DOI: https://doi.org/10.4132/jptm.2016.09.17
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- 8 Web of Science
- 7 Crossref
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Abstract
PDF - Background
We reviewed a series of 188 resected pulmonary mucinous adenocarcinomas (MAs) to clarify the prognostic significance of lepidic and non-lepidic patterns.
Methods
Non-lepidic patterns were divided into bland, non-distorted acini with uncertain invasiveness (pattern 1), unequivocal invasion into stroma (pattern 2), or invasion into alveolar spaces (pattern 3).
Results
The mean proportion of invasive patterns (patterns 2 and 3) was lowest in small (≤ 3 cm) tumors, and gradually increased in intermediate (> 3 cm and ≤ 7 cm) and large (> 7 cm) tumors (8.4%, 34.3%, and 50.1%, respectively). Adjusted T (aT) stage, as determined by the size of invasive patterns, was positively correlated with adverse histologic and clinical features including older age, male sex, and ever smokers. aTis tumors, which were exclusively composed of lepidic pattern (n = 9), or a mixture of lepidic and pattern 1 (n = 40) without any invasive patterns, showed 100% disease- free survival (DFS). The aT1mi tumors, with minimal (≤ 5 mm) invasive patterns (n = 63), showed a 95.2% 5-year DFS, with recurrences (n = 2) limited to tumors greater than 3 cm in total size (n = 23). Both T and aT stage were significantly associated with DFS; however, survival within the separate T-stage subgroups was stratified according to the aT stage, most notably in the intermediatestage subgroups. In multivariate analysis, the size of invasive patterns (p = .020), pleural invasion (p < .001), and vascular invasion (p = .048) were independent predictors of recurrence, whereas total size failed to achieve statistical significance (p = .121).
Conclusions
This study provides a rationale for histologic risk stratification in pulmonary MA based on the extent of invasive growth patterns with refined criteria for invasion. -
Citations
Citations to this article as recorded by
- Distinct Recurrence Pattern and Survival Outcomes of Invasive Mucinous Adenocarcinoma of the Lung: The Potential Role of Local Therapy in Intrapulmonary Spread
Dong Woog Yoon, Soohyun Hwang, Tae Hee Hong, Yoon-La Choi, Hong Kwan Kim, Yong Soo Choi, Jhingook Kim, Young Mog Shim, Jong Ho Cho
Annals of Surgical Oncology.2024; 31(1): 201. CrossRef - Pulmonary invasive mucinous adenocarcinoma
Wei‐Chin Chang, Yu Zhi Zhang, Andrew G Nicholson
Histopathology.2024; 84(1): 18. CrossRef - Micropapillary Pattern in Invasive Mucinous Adenocarcinoma of the Lung: Comparison With Invasive Non-Mucinous Adenocarcinoma
Hui He, Lue Li, Yuan-yuan Wen, Li-yong Qian, Zhi-qiang Yang
International Journal of Surgical Pathology.2023;[Epub] CrossRef - Radiological and clinical features of screening-detected pulmonary invasive mucinous adenocarcinoma
Dae Hyeon Kim, So Young Bae, Kwon Joong Na, Samina Park, In Kyu Park, Chang Hyun Kang, Young Tae Kim
Interactive CardioVascular and Thoracic Surgery.2022; 34(2): 229. CrossRef - Micropapillary Pattern in Invasive Mucinous Adenocarcinoma of the Lung: Comparison with Invasive Non-Mucinous Adenocarcinoma
Hui He, Yuanyuan Wen, Liyong Qian, Zhiqiang Yang
SSRN Electronic Journal .2022;[Epub] CrossRef - Optimal method for measuring invasive size that predicts survival in invasive mucinous adenocarcinoma of the lung
Tomonari Oki, Keiju Aokage, Shogo Nomura, Kenta Tane, Tomohiro Miyoshi, Norihiko Shiiya, Kazuhito Funai, Masahiro Tsuboi, Genichiro Ishii
Journal of Cancer Research and Clinical Oncology.2020; 146(5): 1291. CrossRef - Prognostic Impact of Histopathologic Features in Pulmonary Invasive Mucinous Adenocarcinomas
Wei-Chin Chang, Yu Zhi Zhang, Eric Lim, Andrew G Nicholson
American Journal of Clinical Pathology.2020; 154(1): 88. CrossRef
- Distinct Recurrence Pattern and Survival Outcomes of Invasive Mucinous Adenocarcinoma of the Lung: The Potential Role of Local Therapy in Intrapulmonary Spread
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