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  2. Transillumination - Wikipedia

    en.wikipedia.org/wiki/Transillumination

    In medicine transillumination generally refers to the transmission of light through tissues of the body. A common example is the transmission of light through fingers, producing a red glow due to red blood cells absorbing other wavelengths of light. Organs analysed include the sinuses, the breasts and the testes.

  3. Scrotal ultrasound - Wikipedia

    en.wikipedia.org/wiki/Scrotal_ultrasound

    Transillumination test is positive when a hydrocele is present, often resulting in a misdiagnosis of epididymitis, which is more commonly associated with hydrocele. The ultrasound findings of paratesticular rhabdomyosarcoma are variable. It usually presents as an echo-poor mass [Fig. 11a] with or without hydrocele.

  4. Hydrocele - Wikipedia

    en.wikipedia.org/wiki/Hydrocele

    A hydrocele testis, the most common form of hydrocele, is the accumulation of fluids around a testicle. It is often caused by fluid collecting within a layer wrapped around the testicle, called the tunica vaginalis, which is derived from peritoneum. Provided there is no hernia present, it goes away without treatment in the first year.

  5. Prehn's sign - Wikipedia

    en.wikipedia.org/wiki/Prehn's_sign

    According to Prehn's sign, the physical lifting of the testicles relieves the pain of epididymitis but not pain caused by testicular torsion. [ 4 ] Negative Prehn's sign indicates no pain relief with lifting the affected testicle, which points towards testicular torsion which is a surgical emergency and must be relieved within 6 hours.

  6. Male genital examination - Wikipedia

    en.wikipedia.org/wiki/Male_genital_examination

    Testicular cancer is when malignant cells grow in the tissues of the testicles. Males are at higher risk of testicular cancer between the age of 15-35 years old. Testicular cancer signs include swelling and fluid build up in the scrotum. Other signs can be pain, and any new lumps in the testicles. Testicular cancer is confirmed by CT scans or ...

  7. New test may detect Alzheimer's years before tau clumps ... - AOL

    www.aol.com/lifestyle/test-may-detect-alzheimers...

    “Our test identifies very early stages of tau tangle formation — up to a decade before any tau clumps can show up on a brain scan,” explains senior author Thomas Karikari, Ph.D. The ...

  8. Hydrocele testis - Wikipedia

    en.wikipedia.org/wiki/Hydrocele_testis

    A hydrocele testis is an accumulation of clear fluid within the cavum vaginale, the potential space between the layers of the tunica vaginalis of the testicle. It is the most common form of hydrocele and is often referred to simply as a "hydrocele".

  9. A test designed to identify biomarkers associated with autism just became available in most states. The test is meant to help physicians rule out autism in children who have higher likelihoods of it.