Germ Cell Tumours: Difference between revisions
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* '''<span style="color:#ff0000">Established risk factors (5):</span>''' | * '''<span style="color:#ff0000">Established risk factors (5):</span>''' | ||
* | **'''<span style="color:#ff0000">Inherited (3):</span>''' | ||
* | **# '''<span style="color:#ff0000">Family history of GCT</span>''' | ||
**# '''<span style="color:#ff0000">Germ Cell Neoplasia In-Situ (GCNIS)</span>''' | |||
*# '''<span style="color:#ff0000">Family history of GCT</span>''' | **#* Previously referred to as intratubular germ cell neoplasia (ITGCN) unclassified | ||
* | **#*'''All adult invasive GCTs arise from GCNIS, except spermatocytic seminoma.''' | ||
*# '''<span style="color:#ff0000">Germ Cell Neoplasia In-Situ (GCNIS)</span> | **#* Among males with GCNIS, the risk of developing invasive GCT is ≈50% at 5 years | ||
*#* '''All adult invasive GCTs arise from GCNIS, except spermatocytic seminoma.''' | **#* '''GCNIS develops before birth from an arrested gonocyte''' | ||
*#* Among males with GCNIS, the risk of developing invasive GCT is ≈50% at 5 years | **# '''<span style="color:#ff0000">Race</span>''' | ||
*#* '''GCNIS develops before birth from an arrested gonocyte''' | **#* '''Caucasian risk > African-American''' | ||
*# '''<span style="color:#ff0000">Race</span>''' | **'''<span style="color:#ff0000">Acquired (2):</span>''' | ||
*#* '''Caucasian risk > African-American''' | **#'''<span style="color:#ff0000">Cryptorchidism</span>''' | ||
**#* '''Ipsilateral testis: relative risk 4-6x; relative risk decreases to 2-3x if orchidopexy is performed before puberty''' | |||
**#* '''Contralateral testis: slightly increased risk''' (relative risk 1.74x) | |||
**#'''<span style="color:#ff0000">Personal history of GCT</span>''' | |||
== Genetics == | == Genetics == |