Phrynoderma

C/C-Pt complains of itching on the upper ankle region with small elevation since 2 months after repeatedly wearing same sock.No medical history. Diagnosis and treatment ??

55 year old patient have complaint of itching on leg since 4 years what is RX ?

65yr old F with multiple black nodular lesions with white head on both legs with itching since 3 years gradually increasing in size ..white cheasy material comes out from nodules like in acne... Diagnosis and management plzz?

15 yr old boy with these lesions on the dorsum of left hand . Probable diagnosis?

Known case of hypertension and obesity, 45 year female developed these whitish lesions over right and left cheek mucosa since 4 months...lesions are superficial (not like a growth), not painful, no discharge...no addiction history.