Presentation
Multiple mobile painless masses of the scalp.
Patient Data
Age: 75 years
Gender: Female
From the case:
Trichilemmal cysts
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Multiple well-circumscribed subcutaneous ovoid soft tissue nodules of various seize (largest measures 33 mm), without overlying skin ulceration or underlying bone erosion. They contain speckled calcifications with no enhancement on enhanced CT images.
Note: non-contrast CT (only a few cuts were performed).
Case Discussion
Trichilemmal cysts, also known as pilar cysts, are benign accumulations of keratin along the outer hair root sheath. Most common subcutaneous nodule, incidentally found in 2.5% of adult patients undergoing head imaging.
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