PMC9870723_01
Preoperative pelvic MRI (male genital system) showed nodular mixed signal shadow in the distal penis (arrow head), with a size of about 31 mm x 27 mm x 22 mm, and a high signal on DWI. (A) Transverse section, T2-weighted imaging. (B) Coronal section, T2-weighted imaging. (C) Median sagittal section, T2-weighted imaging.
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PMC9870723_01_fsurg-09-1068935-g001.jpg
F1
No noticeable large lymph nodes were seen in the pelvis (Figure 1).
Pathological examination showing that the mass was composed of atypical spindle-shaped cells tumor with focal necrosis. (A) Hematoxylin and eosin (HE) staining with high mitoses and atypical mitoses (x40). (B) Immunohistochemistry staining of SMA (x40). (C) Immunohistochemistry staining of Caldesmon (x40). (D) Immunohistochemistry staining of Ki-67 (x40).
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PMC9870723_01_fsurg-09-1068935-g002.jpg
F2
Results from immunohistochemistry and morphology were consistent with LMS (Figure 2).