Male Pelvis Pathology Flashcards
most extratesticular masses are _____
benign
most intratesticular masses are ___
malignant
what is the most common cancer of the testicles?
seminoma
seminoma spread to draining lymph nodes in the ____
retroperitoneum
stage 1 of seminoma
confined to the testis
stage 2 of seminoma
spread to retroperitoneal nodes BELOW diaphragm
stage 3 of seminoma
spread beyond retroperitoneal nodes ABOVE diaphragm
risk factors of seminoma (6)
cryptorchidism
family history of testicular cancer
infertility
Klinefelter syndrome (XXY)
trisomy 21
smoking
lab values of seminoma (3)
↑ BHCG
↑ AFP
↑ LDH
what is the most common secondary malignancy of the testicles?
lymphoma
nonseminoma consists of ___
other cell types besides germ cells
what is the second most common testicular cancer?
embryonal carcinoma
what is the most aggressive testicular cancers?
embryonal carcinomas
lab values of embryonal carcinoma
↑ AFP
↑ BHCG
what is the most common testicular cancer in infants and children?
yolk sac tumors
what are the 4 kinds of nonseminomas?
embryonal carcinoma
yolk sac tumors
teratomas
choriocarcinomas
yolk sac tumors are also known as
endodermal sinus tumors
lab values of yolk sac tumors
↑ AFP
what is composed of all 3 germ layers?
teratomas
lab values of teratomas
↑ AFP
↑ BHCG
what is the least common testicular cancer?
choriocarcinomas
lab values of choriocarcinomas
↑ BHCG
what are leydig cell tumors?
rare testicular tumor that produces testosterone which results in precocious puberty
leydig cell tumors are always ____ in boys 5 to 10 years old
benign
lab values of leydig cell tumors
normal AFP, BHCG, and LDH
intratesticular cysts originate from the ___
rete testis
intratesticuar cysts occur near the ___
mediastinum testis
intratesticular cysts measurements
2 to 18 mm
tunica albuginea cysts appear in the __ and __ aspects of the testis
lateral and anterior
tunica albuginea cyst measurements
2mm to 3cm
2 types of testicular cysts
intratesticular cysts
tunica albuginea cysts
epidermoid cysts are also known as
keratocysts
epidermoid cyst measurements
1 to 3 cm
ultrasound appearance of epidermoid cysts (3)
“onion ring”
“bow tie”
“target”
what is testicular microlithiasis?
“scrotal pearls” between layers of the tunica vaginalis or within the testicles
T/F: testicular microlithiasis is usually unilateral
FALSE: testicular microlithiasis is usually BILATERAL
testicular infarct presents as __
a triangular-shaped avascular intratesticular lesion
what is a hydrocele?
serous fluid that accumulates within the tunica vaginalis or between the layers of the tunica vaginalis
congenital hydroceles are common in what ages of boys
1 to 2 years old
what is the most common cause of painless scrotal swelling?
hydrocele
T/F: there is no color flow in a hydrocele
true