Table 1

Frequency of GS features in those with and without identified PTCH1 or SUFU mutations

Pathogenic variantPathogenic variant not found SUFU PTCH1 Missense PTCH1 variant Other PTCH1 variant Not testedTotal PTCH1 versus no pathogenic variant SUFU versus PTCH1 pathogenic variant SUFU versus no mutationMissense versus other PTCH1
Number479126349250232
Female (%)27 (57.4%)7 (77.8%)68 (54%)18 (53%)50 (54.3%)19 (38%)NSNSNSNS
Median age363419261627
Mean age diagnosis37.1731.3322.4928.1820.120.0008NSNS0.03
Range2–813–760.3–631–610.3–630.2–88
Median age last follow-up47.242.445.147.642.442.1NSNSNSNS
Range14.8–8630–810.5–903.2–820.5–905.4–91
Familial cases24788246435154
Single cases2323810281578
% Single cases48.9422.2230.1629.4130.4330.0033.620.02NS0.14NS
Jaw cysts (JC)16079186122117
No JC31947163128115
% JC34.040.0062.7052.9466.3044.0050.430.0020.00040.05NS
>10 BCC21461124920106
%44.6844.4448.4135.2953.2640.0045.69NS0.1NSNS
>10 BCC+JC10047938966
%21.280.0037.3026.4741.3018.0028.450.050.03NSNS
≥20 BCC12235530951
%25.5322.2227.7814.7132.6118.0021.98NSNSNS0.05
Age >30 years >50 BCC6116214528
Age >30 years38692236931167
%15.7916.6717.398.7020.2916.1316.77NSNSNSNS
Presence of palmar pits32583196426146
All assessed for pits559109268338211
% Pits58.1855.5676.1573.0877.1168.4269.190.05NSNSNS
Meningioma0220204
%0.0022.221.590.002.170.001.72NS0.020.02NS
Falx calcification28971116019127
No falx14022715945
%66.67100.0076.3461.1180.0067.8673.840.29NSNSNS
Bifid ribs1425610461587
No bifid ribs2774513321089
%34.1522.2255.4543.4858.9760.0049.430.003NSNSNS
Any skeletal abnormality21475136219119
No skeletal abnormality203261016655
%51.2257.1474.2656.5279.4976.0068.390.003NSNS0.03
Medulloblastoma0330317
%0.0033.332.380.003.262.003.02NS0.0090.007NS
Ovarian fibroma43404415
No ovarian fibroma23464184619110
%14.8142.865.880.008.0017.3912.00NS0.015NSNS
Cardiac fibroma0020213
% Cardiac fibroma0.000.001.590.002.172.001.29NSNSNSNS
Cleft lip/palate1060607
%2.130.004.760.006.520.003.02NSNSNSNS
  • BCC, basal cell carcinoma; GS, Gorlin syndrome; NS, not significant.