Pain (possibly with swelling) without trauma

1 Ganglion · 2 Bone spur above the metacarpal base · 3 Intersection syndrome · 4 Glomus tumour
5 Rhizarthrosis · 6 De Quervain’s tendinitis · 7 Ulnocarpal impingement, Tendonitis (ECU), Ligament lesion (TFCC)

Snapping and clicking (pain) without trauma

1 Trigger finger · 2 Mediocarpal instability · 3 Dislocation of the thumb extensor tendons
4 Dislocation of the wrist extensor tendon on the little finger side

Nerve entrapment (tingling)