Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Titanium metallic discoloration has been reported to have occurred with titanium-containing ointment causing papules on the penis of a patient. Titanium screws used for orthopedic procedures, if they come near the skin, can also causes cutaneous blue-black hyperpigmentation.