PATHOLOGY Flashcards
what dz of the penis occurs almost exclusively in the uncircumcised?
squamous cell carcinoma of the penis
during which phase do testes fail to descend and thus cause cryptoorchidism?
MC in inguinoscrotal phase (takes testis from brim of pelvis into scrotum)
-90-95% of cases
the fried egg appearance on microscopy refers to what testicular neoplasm?
seminoma
term for lining of body passages and cavities that communicate directly or indirectly w/ the exterior (commonly containing mucin-secreting glands)
mucosa
term for outermost layer of an organ in a serosal cavity consisting of fibroelastic tissue covered by mesothelium continuous w/ the lining of the cavity
serosa
term for acellular fibrous (collagenous) membrane separating the organized cellular elements of a tissue from the interstitium
basement membrane
name the term: the purely cellular avascular layer covering & lining all the external & internal surfaces of the body & associated glands
epithelium
name the term: the supportive connective tissue around the parenchyma
stroma
how would a granulosa cell tumor manifest clinically in a child?
precocious puberty
how would a granulosa cell tumor manifest clinically in an adult?
abnormal uterine bleeding
would a granulosa cell tumor manifest differently after menopause?
yes mass lesion would be slow growing and produce androgens–>hirsutism
70% of ovarian tumors, including 90% of malignant ones are from the serosal surface why?
because there is rupture and repair of this surface every month
what is the decidual reaction?
around the surround stroma: characterized by enlargement of the decidual stromal cells and glycogen storage
what percent of clinically negative nodes have breast cancer tumor?
40%
what percent of clinically + nodes do not have breast cancer tumor?
15%
mammography can detect what size tumors via microcalcification?
1-2 mm
microcals are present in what percentage of breast cancer carcinomas?
50%
what percent of suspicious microcals turn out to be breast cancer carcinoma?
20%
what is the most important breast cancer prognostic factor for dz free, overall survival, and Rx regiment?
axillary lymph node mets
what is more common DCIS or LCIS?
DCIS
what are some contraindications to breast conserving surgery ?
- tumor size: if tumor is large component of small breast
- prev. radiation
- multicentric dz
- pregnancy
- persistent positive margins
- relative: collagen vascular dz, multifocal dz, large breasts
if pt has breast cancer how do you determine if the pt gets adjuvant systemic therapy?
Tumor size >1cm
ER/PR negative >5mm
Her2 positive >5 mm
Nodes positive
what is the single most important prognostic factor of epithelial ovarian tumors?
clinical stage at time of detection