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Question 49#

Which is true regarding pilomatrixoma (calcifying epithelioma of Malherbe)? 

A. They are occasionally malignant
B. They are commonest on the back
C. They are usually at least 3cm in size
D. There is actually no calcification on histology
E. They are fixed to overlying skin

Correct Answer is E

Comment:

They are fixed to overlying skin. These common benign tumours are mainly seen in children and are benign. They are common on the face and are usually less than 1cm in size. There is calcification and substantial keratinisation on histology.