Variants
pilomatrixoma with only germinative-matrical cells (see photos) ((with the passage of time, the number of basaloid cells decreases progressively, eventually to be replaced by ghost cells)
lymphangiectatic variant of pilomatricoma (#15324397#)
pilomatricoma with a bullous appearance (#15268712#)
Differential diagnosis
basal cell carcinoma
pilomatrical carcinoma
Etiology
some cases of pilomatrixoma are caused by mutation in the beta-catenin gene (CTNNB1) (MIM.116806) (#12575848#, #11472567#, #11004631#, #10192393#)
Epidemiological forms
multiple pilomatricomas (pilomatricomatosis or pilomatrixomata) (#8747580#, #12702091#)
familial pilomatricomas (#14984583#, #12702091#)
Associations
multiple pilomatricomas and myotonic dystrophy (#10434894#, #3175462#, #11978577#, #8891827#)
multiple pilomatricomas and trisomy 9 (#11834859#)
peripheral schannoma (#15640970#)
multiple pilomatricomas in Rubinstein-Taybi syndrome (#15324407#, #8170843#)
Turner syndrome (#10640845#)