ligament injury

27 yr lady came with lesion.as shown in images.itching and swelling present.gradually it increasing in size.diagnosis and treatment plz??

A 19 yrs old male having history of swelling over dorsum of left hand for last 5 years. Which is gradually increasing in size. There is no history of trauma. He underwent surgery for its correction but swelling doesnot reduced after it. Suggest the provisional diagnosis. See the intraoperative picture's.

7 yr old child,xray ankle, h/o injury 20 days before

35 year old female...started developing painless diffuse swelling in her both legs and hands 8 months back which was gradual and progressive in nature ...after abt 20-25 days of swelling she developed so many small fluid filled blisters / some were pustular ..over the swelling ...she developed severe itching over the lesion..due to which she burst her blisters due to itching...and since then the lesion is increasing day by day.....Plz suggest dx nd tx..

45M h/o fall from tree 2month back Pain & swelling over left mid foot since then. As stated by him ,cast was applied from local practitioner for 4weeks, but didn't got relieved ,still pain & swelling persisting.