A pre-malignant lesion presenting as a rough, scaly, sandpaper-like patch on the sun-exposed dorsal surface of the fingers.
Rare on the fingers, but can present as a pearly papule with telangiectasias that may ulcerate.
Painful, itchy, red-to-purple inflammatory papules and nodules on the fingers after exposure to cold.
A benign, firm, skin-colored, horn-like growth that characteristically emerges from a collarette of raised skin, often near a nail.
Infantile digital fibromatosis presents as a firm, smooth, reddish nodule on the side of a finger or toe in an infant, with characteristic intracytoplasmic inclusion bodies on histology.
An abscess of a hair follicle on the finger, presenting as a tender, red, inflammatory nodule.
A firm, smooth, non-tender cystic structure attached to a tendon sheath or joint, often at the base of the finger.
A common, benign, firm, slow-growing, multi-lobulated nodule that is fixed to deep structures of the finger.
A benign vascular tumor, often under the nail, that presents as a small, bluish-red nodule and is characterized by paroxysmal, exquisite pain, especially with cold.
Presents as a ring of firm, skin-colored or erythematous papules without surface scale, commonly on the dorsal fingers.
A herpes simplex virus infection of the fingertip, causing a painful, swollen finger with deep-seated vesicles or pustules.
A translucent, gelatinous cyst located on the top of the finger near the nail, which may cause a longitudinal groove in the nail.
A viral infection from sheep/goats, presenting as a solitary, firm, reddish papule on the finger that evolves into a large, weeping nodule with a violaceous rim.
A benign, rapidly growing vascular proliferation that presents as a bright red, friable, raspberry-like nodule that bleeds very easily, often near a nail.
Can cause intensely itchy papules and characteristic S-shaped burrows in the finger webs.
A common, hyperkeratotic, papillomatous growth (verruca vulgaris) on the fingers, which can have thrombosed capillaries appearing as black dots.