is Aldara correct meds for Squamous Cell

i apologize if this is a duplicate post - i tried to post earlier today but now can't locate the post:

     Since  the dermatologist  was unsure about either a basal or squamous cell  diagnosis and didn't want to wait for biopsy he put my husband on Aldara.awaiting the results  ...Biop turned out ''squamous cell' but course of Aldara was over by the time he got the results.
    At the time of the biopsy (but before the 'results') my husband was given a booklet  explaining Aldara for 'basal' cell therapy  but no where was it mentioned the medication was also used for Squamous cells and now this  has him a bit concerned that he used a medication that may not have been the correct choice.  
   Could someone kindly comment on this ... many thanks...