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Fig. 2 | BMC Oral Health

Fig. 2

From: Oral rhabdomyosarcoma, a rare malignant tumor mimicking an endodontic-periodontal lesion in an adult patient: a case report

Fig. 2

A diagnosis of embryonal rhabdomyosarcoma was given after histopathological examinations. (A) Low-power view demonstrating disorganized sheets of tumor cells with hypercellularity in the submucosal area and composed of spindled cells (original magnification 100 ×). (B) Ovoid to spindled tumor cells with abundant eosinophilic cytoplasm and eccentric prominent nucleoli and blue arrows indicating rhabdomyoblastic differentiation. Green arrows indicating mitotic tumor cells (original magnification 400 ×). (C) IHC stain for desmin showed diffuse and strong positive (original magnification 400 ×). (D) IHC stain for myoD1 showed diffuse positive (original magnification 400 ×). (E) IHC stain for myogenin was negative (original magnification 400 ×)

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BMC Oral Health

ISSN: 1472-6831

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