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Figure 3 | Journal of Medical Case Reports

Figure 3

From: Anaplastic lymphoma kinase-negative anaplastic large cell lymphoma with extranodal involvement of the thigh muscle: a case report

Figure 3

Histological examination of the tumor. (A) Histological examination of the biopsy sample showed dense infiltration of large, atypical, pleomorphic spindle cells with prominent nucleoli and mitotic figures. (B, C) Immunohistochemical examination revealed that the atypical cells were positive for CD30 (B), but negative for anaplastic lymphoma kinase (C).

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Journal of Medical Case Reports

ISSN: 1752-1947