case_images: PMC9941423_01
case_images: Perineal mass measuring 10 x 12 cm from one to six o'clock position around the perineum (outlined by red arrows).
case_images: OMJ-38-01-2100115-f1.jpg
case_images: PMC9941423_01_OMJ-38-01-2100115-f1.jpg
case_images: f1
case_images: MRI of the pelvis T2-weighted images in (a) axial, (b) sagittal, and (c) coronal view demonstrating the perineal mass (red asterisks) compressing and displacing the vagina (pink arrows), and anus (yellow arrows).
case_images: OMJ-38-01-2100115-f2.jpg
case_images: PMC9941423_01_OMJ-38-01-2100115-f2.jpg
case_images: f2
case_images: It appeared to be a tumor of mesenchymal origin with the differentials of liposarcoma [Figure 2].
case_images: A 10 x 12 cm irregular shaped tumor removed from the left perineum with attachment to the skin, but no local infiltration to bone and anal sphincter.
case_images: OMJ-38-01-2100115-f3.jpg
case_images: PMC9941423_01_OMJ-38-01-2100115-f3.jpg
case_images: f3
case_images: The intraoperative finding was a 10 cm x 12 cm irregular border soft-tissue mass at the left perineal area with attachment to the overlying skin but no infiltration to adjacent bone and external anal sphincter [Figure 3].
case_images: Fascicles of spindle-shaped cells with varying cellularity and perivascular accentuation (hematoxylin and eosin stain, magnification = 100 x).
case_images: OMJ-38-01-2100115-f4.jpg
case_images: PMC9941423_01_OMJ-38-01-2100115-f4.jpg
case_images: f4
case_images: The histopathological examination revealed a malignant spindle cell tumor with a clear 30 mm surgical margin and high-grade sarcoma [Figure 4].