PMC9852060_01
PMC9852060_02
Patient imaging data. (A) CT plain axial image.(B) Arterial phase of the contrast. (C) Venous phase of the contrast.
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F1
A round slightly hypointense foci of about 6.0 cm x 8.6 cm x 4.5 cm in size with still clear borders was seen below the penile corpus cavernosum in the perineum (Figure 1A), with a CT value of approximately 17 HU. During the arterial phase of enhanced scanning, an arterial vessel was seen (Figure 1B). The enhancement of the lesion was not obvious, and uneven enhancement was seen in the venous phase (Figure 1C), with a CT value of approximately 31 HU.
PMC9852060_03
Patient tumor specimen. (A) The excised specimen was approximately 8.5 cm x 6 cm x 5 cm with clear margins. (B) The surface is grayish white, jelly-like, rubber-like.
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F2
The size of the tumor was approximately 8.5 cm x 6 cm x 5 cm in size (Figure 2A); the specimen was soft. The surface was off-white, jelly-like, and rubbery after cutting (Figure 2B).
Pathological histological section of this case (HE x 200). Scattered spindle cells, stellate cells and perivascular inflammatory cells are visible against the background of a large amount of mucus stroma microscopically.
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F3
The pathological report from our hospital shows that under the microscope, there were abundant interstitial mucus, fibroblasts, more thin-walled vascular hyperplasia, and no epithelial cells (Figure 3).