Huge Pulmonary Sclerosing Pneumocytoma with Endobronchial Invasion: A Case Report with a Literature Review
Pulmonary sclerosing pneumocytoma (PSP) is a tumor of pneumocytic origin that is classified as a benign neoplasm. To date, aggressive behavior of this tumor has rarely been reported. Here, we describe a case of a 56-year-old woman with a huge, 19-cm PSP that resulted in mediastinal shift and show...
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| Autores principales: | , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Korean Society for Thoracic & Cardiovascular Surgery
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/9831716302924de99422505319700537 |
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| Sumario: | Pulmonary sclerosing pneumocytoma (PSP) is a tumor of pneumocytic origin that is classified
as a benign neoplasm. To date, aggressive behavior of this tumor has rarely been
reported. Here, we describe a case of a 56-year-old woman with a huge, 19-cm PSP that
resulted in mediastinal shift and showed microscopic endobronchial invasion and necrosis.
The differential diagnosis included malignant mesenchymal tumors, such as solitary
fibrous tumor; however, PSP was confirmed based on the characteristic thyroid transcription
factor 1 positivity and membranous expression of Ki-67 on immunohistochemical
staining of tumor cells. |
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