Your Query returns 25 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PTC1NM_0002649606PTC    BCNS    HPE7    NBCCS    PTCH   
Ptc1NM_00895710090Ptc    mes    Ptch    A230106A15Rik    Ptch1   
ptc1AJ0077427955
ptc1AE0021202130
ptc1AE0000572104K04_orf259   
PTC1L145934932
ptc1L269704896
ptc1AL1173894896SPCC4F11.02   
Ptc1AE013107119072TTE1501   
ptc1AE012060190486XAC4117   
PTC1Z480084932
PTC1Z484324932
PTC1Z740544932
ptc1AE016969233150
ptc10N/Aptc-1   
ptc1NC_0034214896SPCC4F11.02   
ptc1AB0008488330
Ptc1NC_003869119072
ptc1NC_003919190486
Ptc1AF3027658355
ptc1NC_0009122104K04_orf259   
ptc1X988837955
ptc1NC_0021622130
ptc1NC_004829233150
PTC10N/ATPD1    KCS2    CWH47   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002