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KMID : 0357920110450010101
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Korean Journal of Pathology
2011 Volume.45 No. 1 p.101 ~ p.105
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Langerhans Cell Sarcoma Arising in a Lymph Node - A Case Report and Review of the Literature -
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Kang Dong-Wook
Son Hyun-Jin
Baek Tae-Hwa
Lee Hye-Kyung
Huh Joo-Ryung
Kim Joo-Heon
Park Mee-Ja
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Abstract
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We report a case of Langerhans cell sarcoma presented as a solitary mass in the left supraclavicular area in a 31-year-old woman. Computed tomography revealed a relatively well-defined and lightly enhancing mass in the left supraclavicular area, measuring 5.5×4.5×3.2 cm. Excision was subsequently performed. Microscopically, the specimen consisted of an enlarged and partially effaced lymph node. Nests of different size composed of atypical tumor cells were located in the paracortex and the medulla of the lymph node. The tumor cells exhibited abundant eosinophilic or clear cytoplasm and displayed marked nuclear atypia and increased mitotic figures. Infiltration of many eosinophils was identified in the periphery and between the tumor cells. The tumor cells were reactive for CD1a and S100 protein. Ultrastructually, they were found to have Birbeck granules in the cytoplasm.
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KEYWORD
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Langerhans cell sarcoma, Lymph nodes, CD1a antigen
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