PMC4749198_01
MRI image revealing an intraabdominal_heterogenous, solid as well as cystic mass arising from left ovary
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F1
MRI revealed a 25x24x15 cm heterogenous, solid as well as cystic mass (Fig., 1a, 1b and 1c).
Bosselated external surface of ovarian tumor. (b): Cut surface shows solid grey white, variegated and cystic appearance at places
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F2
Gross examination revealed a large mass of 24x22x17 cm and weighing 3.8 kg, soft to firm to hard in consistency having bosselated external surface (Fig. 2a). No hair; bones; tooth were present (Fig. 2b).
Photomicrograph showing immature epithelial elements arranged in nests and glands. (H&E; x100). (3b): Photomicrograph showing immature mesenchymal elements. (H&E; x100). (3c): Photomicrograph showing immature mesenchymal elements with attempted cartilage formation and areas of necrosis. (H&E; x100). (3d): Photomicrograph showing sheets of tumor cells with large polygonal nuclei and prominent nucleoli; (Embryonal component) (H&E; x400
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F3
Large areas of necrosis and haemorrhage were present (Fig. 3a, 3b, 3c, 3d and Fig. 4a).
4
a: Photomicrograph revealing cells forming sheets and poorly formed glands. Nuclei are pleomorphic and show prominent nucleoli; (Embryonal component) (H&E; x400). (4b): Photomicrograph of embryonal component revealing positive immunostaining for CD30 (x400), (Dako, 1:100). (4c): Photomicrograph of embryonal component revealing positive immunostaining for PLAP (x400), (Dako, 1:100). (4d): Photomicrograph of embryonal component revealing negative immunostaining for CD117 (x400), (Dako, 1:100
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F4
Immunohistochemical studies revealed positive staining for CD30 and PLAP but negative staining for CD117 (Fig. 4b, 4c and 4d).