|Table of Contents|

Analysis of misdiagnosed pulmonary sclerosing pneumocytoma in frozen section and literature review

Journal Of Modern Oncology[ISSN:1672-4992/CN:61-1415/R]

Issue:
2019 06
Page:
976-980
Research Field:
Publishing date:

Info

Title:
Analysis of misdiagnosed pulmonary sclerosing pneumocytoma in frozen section and literature review
Author(s):
Ma Xiaoyan1; Bai Yun2; Wang Xingyue1; He Huinv1
1.Department of Pathology;2.Department of CT Room,Xianyang Central Hospital,Shaanxi Xianyang 712000,China.
Keywords:
PSP; intraoperative frozen; misdiagnosis
PACS:
R734.2
DOI:
10.3969/j.issn.1672-4992.2019.06.017
Abstract:
Objective:To analyze the morphological characteristics of pulmonary sclerosing pneumocytoma(PSP)in frozen section,and summarize the reason of misdiagnosis and the key to differential diagnosis.Methods:4 cases of misdiagnosed PSP in frozen sections were collected from cases between Jan.2011 to Dec.2017.The morphological characteristics of frozen sections were observed under optical microscope and compared with paraffin embedded tissue.Results:Frozen section of PSP which showed a majority component of papillary or solid structure with corresponding cytologic features is easy to be misdiagnosed as adenocacinoma,and the hemangiomatoid component is easy to be confused with tumor of vascular origin.Conclusion:PSP is a benign tumor which is easy to be misdiagnosed in frozen section,and papillary or solid component should be identified from papillary adenocarcinoma or solid adenocarcinoma especially,while comprehensive analysis of imaging and clinical characteristics combined with multiple tissue selected and application of intraoperative cell printing is the effective measure to avoid misdiagnosis.

References:

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