Ganglion [RECOMMENDED]

: A doctor can use a needle to drain the fluid, though the Cleveland Clinic notes that the cyst often returns because the "root" or stalk isn't removed.

The exact cause is unknown, but a leading theory suggests they stem from —where connective tissue breaks down due to repetitive stress. ganglion

: Radiopaedia notes that ultrasound or MRI is used to confirm the diagnosis and assess the cyst's relationship to surrounding nerves and tendons. Management and Treatment : A doctor can use a needle to

Intratendinous ganglion cyst of extensor indicis propius tendon whereas solid tumors will not.

: Doctors often use transillumination (shining a light through the lump) because these fluid-filled sacs will glow, whereas solid tumors will not.