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Sang Won Um 3 Articles
Diffuse Pulmonary Meningotheliomatosis: A Case Report.
Jungsuk An, Heejung Park, Joungho Han, Tae Sung Kim, Yong Soo Choi, Moon Seok Choi, Sang Won Um
Korean J Pathol. 2011;45:S32-S35.
DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S32
  • 3,564 View
  • 38 Download
  • 1 Citations
AbstractAbstract PDF
Diffuse pulmonary meningotheliomatosis (DPM) is an extremely rare condition. We herein report a unique case of DPM in a 54-year-old woman with a previous history of hepatocellular carcinoma. A chest computed tomography showed diffuse bilateral nodular infiltration, suggesting miliary spread of metastatic hepatocellular carcinoma. The patient underwent a video-assisted thoracoscopic surgery for diagnostic purposes. The cut surface of the lung specimen showed multiple dispersed small nodules, consisting of variably sized nests or whorls of bland epithelioid cells often along the walls of alveolar septa or in a perivascular network within the alveolar interstitium. The tumor cells showed immunoreactivity for epithelial membrane antigen, vimentin, and progesterone receptor. DPM should be included in the differential diagnosis of diffuse multiple small nodules or a reticular pattern in the radiologic studies.

Citations

Citations to this article as recorded by  
  • Minute Pulmonary Meningothelial-Like Nodules Simulating Hematogenous Lung Metastasis: A Case Report
    Sang Kook Lee, Gi Jeong Kim, Young Jae Kim, Ah Young Leem, Eu Dong Hwang, Se Kyu Kim, Joon Chang, Young Ae Kang, Song Yee Kim
    Tuberculosis and Respiratory Diseases.2013; 75(2): 67.     CrossRef
Mucinous Bronchioloalveolar Carcinoma Associated with Bronchiectatic Cyst: A Brief Case Report.
Chang Ohk Sung, Joungho Han, Sang Won Um, Chin A Yi, Young Mog Shim
Korean J Pathol. 2010;44(5):540-542.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.5.540
  • 2,509 View
  • 16 Download
AbstractAbstract PDF
Herein we report a rare case of mucinous bronchioloalveolar carcinoma (BAC) associated with a solitary bronchiectatic cyst in a 29-year-old man. The patient presented with hemoptysis and had a history of pulmonary tuberculosis. Chest radiographs and computed tomography revealed a well-circumscribed, thin-walled cavitary lesion in the right upper pulmonary lobe. Gross examination of a lobectomy specimen showed a bronchiectatic cavity and a fungus ball within it. There were also several ill-defined small gray-white nodules around the cyst, nodules that were mucinous BAC. On microscopy, they were composed of columnar tumor cells along the intact alveolar walls in a single layer.
Thymofibrolipoma: A Brief Case Report.
Gu Hyun Kang, Joungho Han, Tae Sung Kim, Yong Soo Choi, Sang Won Um
Korean J Pathol. 2010;44(3):338-340.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.3.338
  • 2,456 View
  • 21 Download
  • 3 Citations
AbstractAbstract PDF
Thymofibrolipoma is an extremely rare tumor in the anterior mediastinum, and represents a histologic variant of the usual thymolipoma. Herein, we report a case of thymofibrolipoma in a 9-year-old girl who had a huge mass with fatty attenuation in the right hemithorax on chest computed tomography. She denied any subjective symptoms except mild fever. The surgically resected tumor was ovoid, soft and well-encapsulated, measuring 9.0 x 7.5 x 7.0 cm. The cut surface was light tan in color with yellowish streaks. Microscopically, two distinct areas were admixed in different proportions. One consisted of normal thymic tissue with subinvoluted features and the other was composed of extensive areas of collagenous tissue interspersed in mature adipose tissue. In a high power view, there were thin strands of remnant thymic epithelial cells, separating the pseudolobules. Thymofibrolipoma should be distinguished from other benign or malignant conditions, occurring in the anterior mediastinum, so that unnecessary treatment can be avoided.

Citations

Citations to this article as recorded by  
  • Thymofibrolipoma: a case report and review of the literature
    Ryu Jokoji, Emiko Tomita
    Diagnostic Pathology.2022;[Epub]     CrossRef
  • Unusual thymoma subtypes
    Michael A. den Bakker
    Diagnostic Histopathology.2022;[Epub]     CrossRef
  • Thymoangiolipoma: A rare histologic variant of thymolipoma in a patient with myasthenia gravis
    Mohammad Hossein Anbardar, Fatemeh Amirmoezi, Armin Amirian
    Rare Tumors.2020; 12: 203636132097921.     CrossRef

JPTM : Journal of Pathology and Translational Medicine