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What are the layers in the tunica vaginalis around the testicle?
- Inner layer
- -Visceral - touches the testicle
- Outer layer
- -Parietal - lines the scrotal chamber
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What is the sac or peritoneum called around the testicle?
Tunica vaginalis
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Which tumors are malignant (the majority) of the time?
Intratesticular lesions are malignant
Extratesticular are usually benign
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What is a corpora amylacea? In the prostate
Calcifications commonly seen in the inner gland of the prostate
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What is cryptorchidism?
Hidden testicle
Undescended testicle
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Where is a spermatocele located?
- Cystic masses of the epididymis
- - filled with sperm not clear fluid like cysts
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Where is a hydrocele located?
Between the visceral and parietal layers of the tunica vaginalis
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What is the defining characteristics for a epidermoid cyst?
- Echogenic capsule -
- - Well defined, solid hypoechic mass with an echogenic capsule
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What is the most lethal and lest common form of herm cell tumors in the testicles?
Choriocarcinoma
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Are teratomas malignant or benign in the testicles?
Usually benign in children
Usually milignant in adults
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What are the 2 prepubertal testicular tumors?
Most common - Yolk sac tumor, germ cell
- Most common - nongerm cell - leydig cell tumor
- usually benign (4-5 years old)
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What is the most common germ cell tumor in adults, in the testes?
Seminoma
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What are the 4 glandular zones in the prostate?
- 1)peripheral zone - 70% of tissue, most ca
- 2)Central Zone - 25% of tissue, ejact ducts pass thru
- 3)Transitional zone - 5%, site of benign hyperplasia
- 4)Periurthral zone - 1%, site of benign hyperplasia
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What zone does the ejaculatory duct pass thru to empty into the urethra?
The central zone
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