Case report describes primary extraskeletal Ewing sarcoma in a 33-year-old male, highlighting atypical presentation and imaging features of rare penile malignancies.
A 33-year-old male was admitted to our hospital due to penile pain for six months and the discovery of a mass at the base of the penis for three weeks. Computed tomography (CT) scan of abdomen showed a poorly defined, heterogeneously enhanced mass at the base of the penis (Figure 1A and 1B). Tumor markers were all negative. Doppler ultrasoundography suggested a hypoechoic mass at the base of the penis with heterogeneous enhancement. Subsequently, magnetic resonance imaging (MRI) showed an irregularly shaped mass of about 3.8 cm × 2.8 cm × 3.3 cm on the upper right side of the base of the penis (Figure 1C,1D).
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Huang et al. (2025) studied this question.
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