Gluteal pleomorphic rhabdomyosarcoma with intraabdominal metastasis. A case report.:A case report
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概要
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<B><I>Background</I>:</B> Intraabdominal metastasis of rhabdomyosarcoma is very rare. We presented a case of gluteal pleomorphic rhabdomyosarcoma with intraabdominal metastasis and discussed the disease course.<BR><B><I>Case</I>:</B> A 28-year-old Japanese man was hospitalized because of painful swelling in the left gluteal region. Biopsy indicated a tumor diagnosed as pleomorphic rhabdomyosarcoma. After tumor resection, the patient was treated with chemotherapy. One year later, an intraabdominal tumor with ascites was found in computed tomography. Ascites cytology showed small clusters, sheets, and many individual large pleomorphic tumor cells with abundant vesicular cytoplasm. Tumor cells had granular hyperchromatic nucleiwith prominent nucleoli. Cross-striations in their cytoplasm were not observed. Immunohistochemical staining revealed that the tumor cells were positive for myoglobin, MyoD, and desmin.<BR><B><I>Conclusion</I>:</B> Although hematogenous metastasis is common in most sarcomas, lymphogenous dissemination was considered in our case. Final diagnosis was difficult based on cytologic findings alone. Immunohistochemical staining is important in differentiating this tumor from other pleomorphic sarcomas.
- 特定非営利活動法人 日本臨床細胞学会の論文
特定非営利活動法人 日本臨床細胞学会 | 論文
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