PMC5313356_01
Magnetic resonance imaging findings and pathologic evaluations of our patient. (A) Gross finding, midline lower abdominal wall mass with rectus abdominis muscle (photo during operation). (B,C) About 9-cm-sized midline lower abdominal wall soft tissue lesion with low signal intensity in T2W1 image on magnetic resonance imaging (arrowed). (B) Sagittal view and (C) transverse view. (D) The tumor was composed of nests of epithelioid cells with necrotic debris and peritumoral hyaline-like material (H&E, x20). (E) Positive cytoplasmic staining for beta-human chorionic gonadotropin (x100). (F) Positive cytoplasmic staining for inhibin-alpha (x100). (G) Positive nuclear staining for p63 (x100).
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F1
On magnetic resonance imaging and computed tomography (CT) for the abdomino-pelvic region, there were 9-cm-sized soft tissue like lesion in the midline lower abdominal wall (Fig. 1A, B) and another 6.6-cm-sized lesion in the right side of the pelvic cavity which formed a fistula with the distal sigmoid colon. Midline lower abdominal wall mass was removed by wide excision (Fig. 1C). Immunohistochemically, the tumor cells were positive for beta-hCG, human placental lactogen (hPL), inhibin-alpha, and p63 (Fig. 1D-G).