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Normal healthy adult testis, epididymis and vas deferens.
Shille VM (1977)
Visual examination of the testes. The normal scrotum should fill the space between the upper thighs. One testis is usually suspended slightly higher than the other.
Shille VM (1982)
The index finger of the hand on the left identifies the epididymal border.
Bilateral epididymitis. Note the disproportion between the epidimymides and the testes. Etiology unknown.
Solid multilobulated seminoma.
Shille VM (1980)
Seminomas are generally gray in color, semi-firm in texture, and they are unilateral. Hemorrhage due to biopsy.
McEntee K (1972)
Seminomas can become quite large and can occur in undescended testes (in 20% of the cases).
Seminoma. Parenchymal tissue almost entirely replaced by bulging multilobulated tumor tissue.
This testicular cell tumor or Leydig cell tumor is a benign tumor. The tumor mass per se is discrete and soft.
Sertoli cell tumor also called sustentacular cell tumor. The entire parenchyma has been replaced by white tumor tissue with occasional cysts. The testis is enlarged.
Roberts SJ (1973)
Notice the disproportion between the testicular parenchyma and the epididymis. The consistency of the testis is soft. The delineation between the testis and the epididymis is readily apparent.
The testes feel normal. The epididymides are slightly enlarged and feel firm and lumpy. When this occurs bilaterally the dog is azoospermic.
Enlarged scrotum. Asymmetrical testes.
Shille VM (1986)
Testicular granuloma. Notice two bulging nodules.
Cross section of a testicular granuloma.
Orchitis caused by Brucella canis.
After surgical preparation a careful skin incision is made while hemorrhage is controlled with a hemostat.
Ligation of the blood vessels of the skin.
Incision through the tunics into the testicular parenchyma and that is sampled.
Closing the incision of the tunics.
Prescrotal skin closure complete after testicular biopsy procedure.
Biopsy procedure completed. Note location of the skin incision.
Large round cells, resembling lymphocytes, typical of transmissible venereal cell tumor. Nuclei are round, vesicular, and eccentric.
Sagital section of the skull. Transmission of a venereal tumor to the nose.
The enlarged inguinal ring and the hernial sac can be palpated.
Cross-section of a retained testicle showing neoplasticparenchyma.
Sudden insufficiency of the blood supply to the testis (infarction).
Despite major infarction of the testicular cord the testis appears grossly normal.
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