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KMID : 0383820140760030131
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Tuberculosis and Respiratory Diseases
2014 Volume.76 No. 3 p.131 ~ p.135
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Endometrial Stromal Sarcoma Presented as an Incidental Lung Mass with Multiple Pulmonary Nodules
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Kang Dong-Oh
Oh Jee-Youn
Sim Jae-Kyeom
Lee Seung-Heon
Shin Chol
Choi Sue-In
Choi Jong-Hyun
Choo Ji-Yung
Hwang Jin-Wook
Lee Ju-Han
Lee Ki-Yeol
Kim Je-Hyeong
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Abstract
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Low-grade endometrial stromal sarcoma (ESS) is an uncommon gynecologic malignancy of mesodermal origin. Pulmonary metastasis of low-grade ESS can occur years and decades after the treatment of the primary disease. Low-grade ESS is frequently mistaken as benign uterine neoplasm like uterine leiomyoma, which can potentially lead to a misdiagnosis. We present a case of a 42-year-old woman with low-grade ESS, that initially presented as an incidental lung mass with multiple pulmonary nodules, seven years after an uterine myomectomy. A 6.9×5.8 cm-sized intrapelvic mass suspected of uterine origin was discovered while searching for potential extrathoracic primary origin. A pelviscopy and simultaneous thoracoscopic lung biopsy were conducted for pathologic diagnosis. Finally, the diagnosis was confirmed as low-grade ESS with lung metastasis based on the histopathologic examination with immunohistochemical stain, which was showed positive for CD10 and hormone receptor markers (estrogen and progesterone receptors) in both pelvic and lung specimens.
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KEYWORD
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Sarcoma, Endometrial Stromal, Multiple Pulmonary Nodules, Neoplasm Metastasis
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