(Be ready to show students the 19-slide How Does an Ultrasonic Sensor Work? Presentation, a Microsoft Â® PowerPoint Â® file, to teach the lesson. In advance, make copies of the Ultrasonic Sensor Pre-Quiz and Ultrasonic Sensor Post-Quiz, one each per student, provided as attachments and slides.
Progression. Testicular cancer (specifically, germ cell tumors) is an aggressive cancer, doubling in size every 10 to 30 days. If not treated, testicular cancer can spread via the lymphatic pathways.The lymph glands around the aorta and the vena cava at the level of the kidneys are the first to be involved.n advanced cases it can spread to the lungs, liver, brain, bone, kidney, adrenal gland, and spleen. Without treatment, a testicular cancer patient will die on average 2-3 years from time of diagnosis.
The following factors can raise a manâs risk of developing testicular cancer. However, it is important to note that the cause of testicular cancer is not known. Age. More than half of testicular cancer diagnoses occur in men between the ages of 20 and 45. However, men of any age can develop this disease, including men in their teens and in their 60s, so it is important that any man with symptoms of testicular cancer visit the doctor. Cryptorchidism.