pilomatricoma
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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)