Langerhans Cell Sarcoma Arising in a Lymph Node: A Case Report and Review of the Literature
Dong-Wook KANG; Hyun-Jin SON; Tae-Hwa BAEK; Hye-Kyung LEE; Joo-Ryung HUH; Joo-Heon KIM; Mee-Ja PARK.
Korean Journal of Pathology
; : 101-105, 2011.
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| WPRIM | ID: wpr-155007
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 5.5x4.5x3.2 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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