Pure testicular choriocarcinoma Cannonball metastases as a presenting imaging feature: A case report and a review of literature

Pure testicular choriocarcinoma is an extremely rare subtype of nonseminomatous germ cell tumor, accounting for less than 1% of all germ cell tumors and only 0.19% of all testicular tumors. It is a highly aggressive malignant tumor with early multiorgan metastasis and poor prognosis. We present a case of 23-year-old male presented to the hospital with mild hemoptysis which was thought as a sequela of his past COVID-19 pneumonia infection,...