Please dx & rx?

43 years old male presented with ulcerative lesion over the face. Itching is present.. Lesion is painful and hard on touch. what it could be an dwhat is the diagnosis.

50 yrs old female patient with this lesion over her left cheek for two weeks with slight increase in size over this time ..any ideas for diagnosis ?

A 70 year old female with lesion over rt side of neck since 6 months spot the lesion clinically

Female 13 years old Lesions since birth no itching No History of other Abnormality Diagnosis And Treatment ?

An 80 y/o M, agriculturist, presented with h/o verrucous ulcer, with crusting over the left leg since one year. Also h/o an injury caused by a coconut shell one year back which developed to the present ulcer. The examination revealed a single 5x5cm, painless ulcer with excoriation of the surrounding skin. Dx and dd?