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68 Cards in this Set

  • Front
  • Back
2 kinds of testicular tumors
germ cell
non-germinal
___% of testicular tumors are germ cell. they are the most common tumor in men aged ___. mortality is ___%
90
15-34
10
2 categories of germ cell tumors
single histological pattern
mixed histological pattern
___% of germ cell tumors have a single histological pattern
40
the precancerous condition predisposing to GCT is
intratubular germ cell neoplasia (ITGCN)
___% of untreated ITGCN progresses to cancer
50
risk factors for ITGCN (4)
cryptorchidism
family history
androgen insensitivity
gonadal dysgenesis
cryptorchidism causes ___ of seminiferous tubules, leaving only ___ preserved. it causes a relative increase of ___
atrophy
sertoli cells
leydig cells
___% of GCT is associated with cryptorchidism
10
the lower the testis has descended the ___ the risk of cancer
lower
___ is a chromosomal abnormality found in almost all GCTs.
isochromosome of short arm of 12
classic seminomas are positive for
PLAP
c-Kit (CD117)
OCT3/4
in contrast to classic seminomas, spermatocytic seminomas ___
are negative for PLAP, OCT3/4
compared to seminomas, embryonal carcinomas are ___ (2)
much more aggressive
smaller
T/F: embryonal carcinomas never extend to epididymis or beyond
false
histological formations in embryonal carcinoma
undifferentiated
tubular
papillary
syncitiotrophoblast may be present in ___ (3)
seminoma
embryonal carcinoma
choriocarcinoma
markers in embryonal carcinoma (4)
PLAP
OCT3/4
CD30
cytokeratin
OCT3/4 is a ___ expressed in ___ (3)
transcription factor
primordial germ cells
seminomas
embryonal carcinomas
___ is the most common tumor in children under 3
yolk sac tumor
in children, yolk sac tumors have ___ prognosis
good
in adults yolk sac tumors occur in the context of ___
mixed tumor with embyronal carcinoma
histologically, yolk sac tumors have a ___ pattern
microcystic
___% of yolk sac tumors have ___ bodies, which feature ____ epithelia as found in ___. ___ globules are also present
50
Schiller-Duval
parietal and visceral
glomeruli
hyaline
markers for yolk sac tumor
AFP
cytokeratin
PLAP
choriocarcinoma is ___ in testes and ___ in ovaries
rare
more common
choriocarcinoma is usually found as ___
foci in mixed tumor
markers for choriocarcinoma
hCG
cytokeratin
PLAP
in children, ___ teratomas are benign for males and ___ teratomas are benign for femals. in adults, ___ teratomas are malignant
all
mature
all
common mixed tumors (3)
embryonal carcinoma + seminoma
embryonal carcinoma + teratoma
embryonal carcinoma + teratoma + yolk sac
prognosis in mixed GCTs depends on
presence of aggressive tumor types
T/F: seminoma has much better prognosis than nonseminoma
true
lymphatic metastases from GCTs go to ___ (3)
retroperitoneal para-aortic LN
mediastinal LN
subclavicular LN
hematogenous metastases from GCTs go to ___ (4)
lungs
liver
brain
bones
T/F: histology of metastases is the same as the primary tumor
false
seminomas spread primarily through ___
lymphatics
nonseminomas spread primarily through ___
blood and lymphatics
BPH happens at the ___ zone, aka ___, located ___. This explains ___.
transition
urethral prostate
where urethra enters from bladder
rapid urinary symptoms
Tumors develop at the ___ zone, located ___. ___ is used to detect them.
peripheral
dorsally and away from urethra
PSA
BPH is hyperplasia of ___ (2). It is caused by ___, which is made in ___.
epithelium
stroma
DHT
stroma
___% of those with BPH have symptoms
50
DHT is ___ times more potent than testosterone, because ___.
10
higher receptor affinity
BPH can present as ___ or ___
fibromuscular nodules
epithelial nodules
in BPH, ___ is preserved
basal layer
T/F: BPH can be diagnosed on the basis of needle biopsy.
false
___ is the most common cancer in men
prostatic adenocarcinoma
prostatic adenocarcinoma is the ___ most lethal cancer in men
2nd
___% of men age 50-59 have asymptomatic prostatic adenocarcinoma, and ___% of men age 70-80
20
70
susceptibility genes for PCa are located on chromosome ___. tumor suppressor genes commonly downregulated are located on chromosmes ___ (4)
1
8
10
13
16
T/F: p53 is commonly inactivated in early stage of PCa.
false
T/F: Her2/Neu is not commonly overexpressed in PCa
true
using ___ technology, the genes overexpressed in PCa were found to be ___ (2)
cDNA microarray
hepsin
alpha-methyl acyl CoA racemase (p504)
hepsin is a ___
transmembrane Ser protease
a gene commonly suppressed in PCa is ___. suppression occurs via ___
glutathione S transferase (GSTP1)
hypermethylation of promoter
glands in PCa are ___ with ___ layers of ___ or ___ epithelium
small
1
cuboidal
columnar
T/F glands in PCa are pleomorphic with mitotic figures
false
the most important feature in diagnosing PCa is ___
absence of basal cells
a positive marker for PCa is ___
p504
immunostains for basal cells label ___
keratin
gleason scores range from ___ to ___
2
10
gleason scores of less than 4 have a ___% probability of progression, 5--7 have a ___% probability, and >7 have a __% probability
25
50
75
the precursor lesion for PCa is called ___. it is present in ___% of tissue removed for PCa biopsy
prostatic intraepithelial neoplasia (PIN)
80
in PIN, ___ is preserved
basal layer
in stage II, PCa is present in ___, but in stage III it may be present in ___ (2) also
in stage IV it may be present in ___ (3)
prostate
bladder
seminal vesicles
colon
pubis
other organs
PCa spreads by ___ (3)
direct local invasion
hematogenous spread
lymphatic spread
PCa spreads hematogenously to ___, specificially ___ (5)
bone
lumbar spine
proximal femur
pelvis
thoracic spine
ribs
PCa spreads lymphatically to ___ (6)
obturator LNs
perivseical LNs
hypogastric LNs
iliac LNs
presacral LNs
paraaortic LNs
PCa bone metastases are usually ___
osteoblastic