Urogenital Tumors

A 28-year-old male patient (188 cm, 72 kg) presents to the central emergency department with dorsal pain after returning from a trip to East Asia. He reports feeling a bit tired and listless without classic signs of infection. In the clinical examination, apart from an approximately fist-sized, deeply situated, sturdy and non-displaceable bulging of the abdominal wall sinistrally paraumbilically, a slight enlargement of the left testis with pain upon palpation is noticeable. What is your first suspicion, and what are your first diagnostic steps?

A 62-year-old sportive man complains of persistent dorsal pain, night sweats and weight loss. CT of the lumbar spine reveals diffuse osteoblastic metastasis of the spine, retroperitoneally and iliacally enlarged lymph nodes, and an enlarged and inhomogeneous prostate. What is your tentative diagnosis?

A 52-year-old male patient reports feeling well at the initial check-up but having a feeling of pressure in the lower abdomen, micturition complaints with nocturia and pollakiuria, and intermittent mild dorsal pain. What differential diagnoses do you consider?

A 53-year-old man complains of increasing pain in the left anterior pelvis, which is described as movement-dependent with radiation into the left lower extremity. For several months, he had noticed bloody urine from time to time without pain during micturition. What are your suspicions?