A25year's woman, villager, c/o a peculiar skin problem, on slight pressure or pinching, skin develop a fluid filled blister like lesion and that ulcerate and healed naturally since birth. Now her two years old son also has similar problem. No other siblings has this nor her parents. Otherwise she is healthy. Cbc, TSH, S.
ANA, normal. Till today she didn't have relief from any treatment. Is it genetic /Hereditary/ or a zinc deficiency disease of skin . In last picture my finger is showing new fluid filled blister. What is the most probable diagnosis?