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Difference between revisions of "Germ cell neoplasia in situ"
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Germ cell neoplasia in situ (view source)
Revision as of 01:37, 15 August 2014
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==IHC== | ==IHC== | ||
===ISUP consensus=== | |||
ITGCN versus atypical intratubular germ cells:<ref name=pmid25025364>{{Cite journal | last1 = Amin | first1 = MB. | last2 = Epstein | first2 = JI. | last3 = Ulbright | first3 = TM. | last4 = Humphrey | first4 = PA. | last5 = Egevad | first5 = L. | last6 = Montironi | first6 = R. | last7 = Grignon | first7 = D. | last8 = Trpkov | first8 = K. | last9 = Lopez-Beltran | first9 = A. | title = Best practices recommendations in the application of immunohistochemistry in urologic pathology: report from the international society of urological pathology consensus conference. | journal = Am J Surg Pathol | volume = 38 | issue = 8 | pages = 1017-22 | month = Aug | year = 2014 | doi = 10.1097/PAS.0000000000000254 | PMID = 25025364 }}</ref> | |||
*OCT4 +ve. | |||
Alternates: | |||
*PLAP +ve.<ref>{{Cite journal | last1 = Schreiber | first1 = L. | last2 = Lifschitz-Mercer | first2 = B. | last3 = Paz | first3 = G. | last4 = Yavetz | first4 = H. | last5 = Elliott | first5 = DJ. | last6 = Kula | first6 = K. | last7 = Slowikowska-Hilczer | first7 = J. | last8 = Maymon | first8 = BB. | title = Double immunolabeling by the RBM and the PLAP markers for identifying intratubular (in situ) germ cell neoplasia of the testis. | journal = Int J Surg Pathol | volume = 11 | issue = 1 | pages = 17-20 | month = Jan | year = 2003 | doi = | PMID = 12598912 }}</ref> | *PLAP +ve.<ref>{{Cite journal | last1 = Schreiber | first1 = L. | last2 = Lifschitz-Mercer | first2 = B. | last3 = Paz | first3 = G. | last4 = Yavetz | first4 = H. | last5 = Elliott | first5 = DJ. | last6 = Kula | first6 = K. | last7 = Slowikowska-Hilczer | first7 = J. | last8 = Maymon | first8 = BB. | title = Double immunolabeling by the RBM and the PLAP markers for identifying intratubular (in situ) germ cell neoplasia of the testis. | journal = Int J Surg Pathol | volume = 11 | issue = 1 | pages = 17-20 | month = Jan | year = 2003 | doi = | PMID = 12598912 }}</ref> | ||
*D2-40 +ve. | |||
Notes: | |||
*Normal testis PLAP -ve.<ref name=pmid9104938>{{Cite journal | last1 = Hawkins | first1 = E. | last2 = Heifetz | first2 = SA. | last3 = Giller | first3 = R. | last4 = Cushing | first4 = B. | title = The prepubertal testis (prenatal and postnatal): its relationship to intratubular germ cell neoplasia: a combined Pediatric Oncology Group and Children's Cancer Study Group. | journal = Hum Pathol | volume = 28 | issue = 4 | pages = 404-10 | month = Apr | year = 1997 | doi = | PMID = 9104938 }}</ref> | |||
===Others=== | |||
*CD117 +ve. | *CD117 +ve. | ||
**Disputed: doesn't differentiate neoplastic from non-neoplastic according to Biermann ''et al''.<ref name=pmid22340755>{{Cite journal | last1 = Biermann | first1 = K. | last2 = Stoop | first2 = H. | last3 = Looijenga | first3 = L. | title = c-KIT protein expression does not discriminate neoplastic from non-neoplastic intratubular germ cells. | journal = Histopathology | volume = 60 | issue = 6 | pages = 1017-9 | month = May | year = 2012 | doi = 10.1111/j.1365-2559.2011.04157.x | PMID = 22340755 }}</ref> | **Disputed: doesn't differentiate neoplastic from non-neoplastic according to Biermann ''et al''.<ref name=pmid22340755>{{Cite journal | last1 = Biermann | first1 = K. | last2 = Stoop | first2 = H. | last3 = Looijenga | first3 = L. | title = c-KIT protein expression does not discriminate neoplastic from non-neoplastic intratubular germ cells. | journal = Histopathology | volume = 60 | issue = 6 | pages = 1017-9 | month = May | year = 2012 | doi = 10.1111/j.1365-2559.2011.04157.x | PMID = 22340755 }}</ref> | ||
*OCT3/4 +ve. | *OCT3/4 +ve. | ||
==See also== | ==See also== | ||