Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26061100
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Sci+Rep
2015 ; 5
(ä): 11200
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
TERT Promoter Mutations Are Predictive of Aggressive Clinical Behavior in
Patients with Spitzoid Melanocytic Neoplasms
#MMPMID26061100
Lee S
; Barnhill RL
; Dummer R
; Dalton J
; Wu J
; Pappo A
; Bahrami A
Sci Rep
2015[Jun]; 5
(ä): 11200
PMID26061100
show ga
Spitzoid neoplasms constitute a morphologically distinct category of melanocytic
tumors, encompassing Spitz nevus (benign), atypical Spitz tumor (intermediate
malignant potential), and spitzoid melanoma (fully malignant). Currently, no
reliable histopathological criteria or molecular marker is known to distinguish
borderline from overtly malignant neoplasms. Because TERT promoter (TERT-p)
mutations are common in inherently aggressive cutaneous conventional melanoma, we
sought to evaluate their prognostic significance in spitzoid neoplasms. We
analyzed tumors labeled as atypical Spitz tumor or spitzoid melanoma from 56
patients with available follow-up data for the association of TERT-p mutations,
biallelic CDKN2A deletion, biallelic PTEN deletion, kinase fusions, BRAF/NRAS
mutations, nodal status, and histopathological parameters with risk of
hematogenous metastasis. Four patients died of disseminated disease and 52
patients were alive and disease free without extranodal metastasis (median
follow-up, 32.5 months). We found TERT-p mutations in samples from the 4 patients
who developed hematogenous metastasis but in none of tumors from patients who had
favorable outcomes. Presence of TERT-p mutations was the most significant
predictor of haematogenous dissemination (P < 0.0001) among variables analyzed.
We conclude that TERT-p mutations identify a clinically high-risk subset of
patients with spitzoid tumors. Application of TERT-p mutational assays for risk
stratification in the clinic requires large-scale validation.