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S. Haraoka
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P3.01 - Poster Session with Presenters Present (ID 469)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Biology/Pathology
- Presentations: 1
- Moderators:
- Coordinates: 12/07/2016, 14:30 - 15:45, Hall B (Poster Area)
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P3.01-007 - A Pulmonary Glomus Timor (ID 4474)
14:30 - 14:30 | Author(s): S. Haraoka
- Abstract
Background:
Glomus Tumor is almost a benign tumor that often develops in the nail bed of the extremities, and accounts for 1.6% of all soft tissue tumors. However, they developed in the other organs, such as gastrointestinal, bone, adrenal gland, central nerve system, uterus and vagina. We here reported a rare case of a pulmonary glomus tumor with some literature.
Methods:
Case A 36–year–old female was admitted to our hospital with an abnormal shadow in the left lung field. She has no major disease, and nonsmoker. The laboratory data and physical examination are normal. A chest computed tomography scan showed a nodal lesion of 1.0 cm in diameter in the left lower lobe. Thoracoscopic partial resection was performed.
Results:
The tumor was well-circumscribed lesion consists of solid sheets of tumor cells interrupted by capillaries and vessels of varying sizes in the pulmonary tissue. In the pathological findings, the tumor cells have relatively uniform, rounded to oval nuclei, indistinct nucleoli, and ill-defined cytoplasmic borders. In the immunohistochemical examination, the tumor cells were positive for αSMA, HHF-35, desmin and vimentin, but negative for EMA, cytokeratinAE1/AE3, TTF-1, surfactant apoproteinA, CD34 and Factor VIII. Some tumor cells were positive for Ki-67. Those features were consistent with pulmonary glomus tumor.
Conclusion:
Glomus tumor of the lung is rare tumor and only a few cases have been reported in the literature. The behavior of this neoplasm is uncertain, so the methods of diagnosis and treatment, includes of surgical approach will demand to do careful observation and further examination.
