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Fig. 4 | BMC Cancer

Fig. 4

From: Atypical ovarian carcinoid tumor with widespread skeletal metastases: a case report of multiple endocrine neoplasia type 1 in a young woman

Fig. 4

Histopathological examination of the needle biopsy (H&E staining) of the 2nd rib shows the tumor consisting of cellular nests of small round cells, no mitoses, original magnification, × 40 (a), × 200 (b), × 400 (c). These cells were positive for synaptophysin, original magnification, × 200 (d), CD56, × 200 (e) and Ki-67 was less 1% upon immunostaining, × 200 (f)

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