Ma'anar ƙamus na craniotomy aikin tiyata ne wanda ake cire wani yanki na kwanyar don ba da damar shiga kwakwalwa. Ana iya yin wannan hanya don dalilai daban-daban, kamar cire ƙwayar ƙwayar cuta ko don magance raunin da ya faru a cikin kwakwalwa.
