Lumps on the hands: Here’s what you should know about them

5. When to See a Doctor

You should seek medical advice if a lump:

• Grows rapidly
• Is painful or tender
• Limits hand or finger movement
• Changes color or bleeds
• Persists for several weeks
• 6. Diagnosis May Require Imaging or Biopsy

Doctors may use ultrasound, MRI, or even a biopsy to determine the nature of the lump.