Difference between revisions of "Testis"

Testis (view source)

904 bytes removed , 02:35, 16 December 2014

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 {{Main|Embryonal carcinoma}}
 These often look like a poorly differentiated carcinoma.
-===General===
-*Affects young adults.
-**May be seen in women.
-===Microscopic===
-Features:<ref name=Ref_GUP549>{{Ref GUP|549}}</ref>
-#Nucleoli - '''key feature'''.
-#Vesicular nuclei (clear, empty appearing nuclei) - '''key feature'''.
-#Nuclei overlap.
-#[[Necrosis]] - common.
-#*Not commonly present in seminoma.
-#Indistinct cell borders
-#Mitoses - common.
-#Variable architecture:
-#*Tubulopapillary.
-#*Glandular.
-#*Solid.
-#*Embryoid bodies - ball of cells in surrounded by empty space on three sides.
-Notes:
-*Cytoplasmic staining variable (eosinophilic to basophilic).
 ==Choriocarcinoma==
 {{Main|Choriocarcinoma}}
 These are aggressive tumours.
-===Microscopic===
-Features:
-*Syncytiotrophoblasts:
-**Large + many irreg. or lobular hyperchromatic nuclei.
-**Eosinophilic vacuolated cytoplasm (contains hCG).
-*'''C'''ytotrophoblasts:
-**'''C'''lear cytoplasm.
-**Polygonal shaped cells in cords/masses.
-**Distinct cell borders.
-**Single uniform nucleus.
-*+/-Hemorrhage.
-*+/-Necrosis.
 ==Teratoma of the testis==