A 52-year-old man requests removal of a growth at the base of his thumb. The lesion was first noted approximately 18 months ago and has been slowly enlarging. The lesion is subject to repeated trauma and is at times tender. Examination reveals a firm fixed flesh-colored nodule measuring 1.2 cm. No similar-appearing growths are noted elsewhere. The patient is in good health and denies history of arthritis and gout.
Cellular Digital FibromaAcquired digital fibrokeratomas are uncommon benign solitary tumors that most commonly arise on the fingers.1 The incidence is greatest in middle-aged men.2 Clinically, lesions are dome-shaped, flesh-colored, hyperkeratotic nodules that are fixed to underlying tissue. Repetitive trauma is believed to be...
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- Kint A, Baran R, De keyser H. Acquired (digital) fibrokeratoma. J Am Acad Dermatol. 1985;12(5 Pt 1):816-821.
- Altman DA, Griner JM, Faria DT. Acquired digital fibrokeratoma. Cutis. 1994;54(2):93-94.
- Baykal C, Buyukbabani N, Yazganoglu KD, Saglik E. Acquired digital fibrokeratoma. Cutis. 2007;79(2):129-132