Pilomatrixoma is a rare benign skin tumor arising from multidirectional cells of hair root follicles.
It is also known as Malharbe’s calcified epithelioma.
Malharbe and Chenantais defined the lesion as calcified epithelioma in 1880 for the first time.
This animated gif explains the microscopic features of Pilomatrixoma.
For more information please visit my website: Pathology of Pilomatrixoma.