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- Case Report Osteoclast-like Giant Cell Tumor of the Parotid Gland Accompanied with Carcinoma ex Pleomorphic Adenoma.
- Mi Jung Kwon, Eun Sook Nam, Seong Jin Cho, Hyung Sik Shin, Ji Hyun Kwon, Young Soo Rho
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Journal of Pathology and Translational Medicine 2011;45(0):S84-S88
DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S84
2Department of Pathology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea. esnam2003@yahoo.co.kr
3Department of Otorhinolaryngology-Head and Neck Surgery, Ilsong Memorial Institute Head and Neck Cancer Center, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
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Abstract
The origin of osteoclast-like giant cell tumor (OGCT) of the salivary gland has been debated because the prototypic cells of osteoclast-like cells and mononuclear stromal cells are largely unexplained in this gland. Bone marrow-derived CD14+ and CD45+ monocyte-derived multipotential cells (CD14+/CD45+ MOMC) may be one of the possible origins of OGCTs of salivary glands, which have never been explored in salivary OGCTs. We present a case of OGCT accompanied with carcinoma ex pleomorphic adenoma in the parotid gland of a 67-year-old Korean female. The tumor presented as a rapidly growing cervical mass comprising a central area of carcinoma ex pleomorphic adenoma and a peripheral circumferential area of OGCT. The immunohistochemical staining pattern was phenotypically consistent with bone marrow-derived CD14+/CD45+ MOMC. This case is the first report of a salivary OGCT in Korea.
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