A lump on the finger knuckle joint can happen for many reasons, ranging from an inflammatory condition to an infection. In rare cases, a bump or lump on the finger knuckle joint can be due to a tumor.

A finger tumor is a mass or lump that forms on a finger. Doctors may also describe these growths as nodules or cysts. Possible causes include ganglion cysts, warts, skin cancer, and more. Although ...

A lump on your wrist or hand is likely not harmful. A bump that feels like bone is likely a carpal boss, a movable bump is typically a ganglion cyst, and a lump on the palm of your hand may be ...

Mucous cysts are pseudocysts (cystic structures lacking a true lining) that usually appear on the middle or index finger of the dominant hand; toe involvement is uncommon. Although most mucous cysts ...

Digital mucous cysts (DMCs) are relatively common benign cysts of the digits, occasionally involving the nail matrix and nail fold. First described as “synovial lesions of the skin” by Markin and ...

Medically reviewed by Laura Campedelli, DPT Key Takeaways Finger pain can be caused by injuries, overuse, and arthritis.Treatments include rest, ice, NSAIDs, and physical therapy.Surgery can be needed ...