Testicular Cancer Flashcards
Risk factors for developing testis cancer including germ cell neoplasia in situ (GCNIS)?
history of UDT/cryptorchidism (4-6x, reduced by 2-3 x if orchidopexy prior to puberty)
family history
personal history of testis cancer
Risk of occult systemic disease for stage one testis cancer is lowest for :
pure seminoma vs. NSGCT
Pure seminomas are more sensitive to chemotherapy and radiation relative to NSGCT?
YES
The most undifferentiated type of NSGCT is?
embryonal carcinoma AND has totipotential capacity (differentiate into other NSGCT - yolk sac, choriocarcinoma, teratoma)
Why is presence of teratoma important for management?
Although histologically benign, may contain genetic anomalies found in malignant GCT → uncontrollable growth and invasion or transformation into somatic-type malignancies
universally resistant to chemo and radiation
ONLY curable by surgical resection
What are the testis cancer tumor markers and their associated histologies?
alpha fetoprotein (AFP) → yolk sac and embryonal (chorio and seminoma do NOT produce) → ½ life 5-7 days
human chorionic gonadotropin (hCG) → chorio and embryonal and syncytiotrophoblastic cells in seminoma → ½ life 24-36 h
lactate dehydrogenase (LDH) → nonspecific, best for estimating disease bulk
Staging for testis cancer is based on:
pathologic stage of tumor
post orchiectomy tumor markers
staging by PE and imaging
Testis TNM
Testis TNM stage:
Testis Risk Categories:
A solid mass on PE or imaging is:
GUIDELINE STATEMENT 1
malignant neoplasm until proven otherwise
When finding solid mass on PE or imaging, what is first step?
GUIDELINE STATEMENT 2
serum tumor. markers (AFP, hCG, and LDH) prior to any treatment
Prior to intervention for testicular mass, patients should be counseled:
GUIDELINE STATMENT 3
risk of hypogonadism and infertility
offered sperm banking (consider prior to orchiectomy if unclear status of contralateral or known subfertility)
What type of scrotal imaging should be used?
GUIDELINE STATEMENT 4
scrotal ultrasound with doppler (for unilateral or bilateral masses)
What workup is required for testicular microlithiasis?
GUIDELINE STATEMENT 5
testicular microlithiasis in absence of solid mass and risk factors doe snot confer and increased risk of malignant neoplasm and doesn’t require further evaluation
Patient with normal tumor markers (hCG and AFP) and indeterminate findings on PE or US, what is next step?
GUIDELINE STATEMENT 6
Repeat imaging 6-8 weeks
(< 2 cm 50-80% are not cancer → benign tumors, infarcts, Leydig cell nodules)
In initial workup of testicular lesion, any other imaging modalities besides US?
GUIDELINE STATEMENT 7
MRI should NOT be used in initial eval and dx of testicular lesion suspicious for neoplasm
Lesion determined by US and PE suspicious for malignancy, next steps after tumor markers?
GUIDELINE STATEMENT 8
with normal contralateral testis
inguinal orchiectomy (testis sparing not recommended, trans-scrotal discouraged)
GUIDELINE STATEMENT 9
testicular prosthesis should be discussed prior to orchiectomy
What is recommended when a patient underwent a scrotal orchiectomy and found to have a testis neoplasm?
GUIDELINE STATEMENT 10
increased risk of recurrence and may be considered for adjunctive tx (excision of scar or RT) for local control
Discuss role of testis sparing surgery, considerations, and surgical considerations?
GUDIELINE STATMENT 11A
tss through inguinal incision in pts wishing to preserve gonadal fx with masses < 2 cm and (1) equivocal US/PE and negative hCG and AFP (2) congenital, acquired or functionally solitary testis, or (3) b/l synchronous tumors
GUIDELINE STATMENT 11B
counseled regarding (1) high risk of local recurrence (2) need for monitoring with PE/US (3) role of adjuvant RT to testis to reduce local recurrence (4) impact of RT ons perm and testosterone (5) risk of testicular atrophy and need for tRT and/or subfertility/infertility
GUIDELINE STATMENT 11C
in addition to suspicious mass, multiple bx of ipsi testis normal parenchyma (GCNIS) should be obtained and evaluated by GU pathologist
In patients with hx of GCT or GCNIS the risk of second primary tumor in contralateral testis is:
GUIDELINE STATEMENT 12
Rare but significant increase risk
(2%overall, 70% metachronous, 30% synchronous)
In patient with GCNIS on testis biopsy or malignant neoplasm after TSS, what are recommendations and options:
GUIDELINE STATEMENT 13A
with GCNIS or s/p TSS → inform patients of r/b of surveillance, radiation, or orchiectomy
GUIDELINE STATEMENT 13B
recommend surveillance in pts who prioritize preservation of fertility and testicular androgen production
GUIDELINE STATEMENT 13C
recommend RT (18-20 Gy) or orchiectomy in patients who prioritize reduction of cancer risk taking into account the less risk of hypogonadism with RT
Discuss utility of serum tumor markers in treatment planning:
GUIDELINE STATEMENT 14
Nadir makers should be repeated at appropriate T ½ time interval after orchiectomy for staging and risk stratification
GUIDELINE STATEMENT 15
for pts with elevated AFP or hCG post orchiectomy, clinicians should monitor tumor markers to establish nadir levels before treatment only if nadir would influence treatment
In metastatic GCT (Stage IIC or III) planning for chemo what is the regimen based on?
GUIDELINE STATEMENT 16
IGCCCG risk stratification based on serum tumor markers (hCG, AFP, LDH) prior to chemo, staging imaging studies, and tumor histology from orchiectomy. Any post-pubertal male, should be treated as an adult