Treatment of megaloblastic anemia, vit b12 deficiency???

I am happy to inform my friends and colleagues that I reached to this level with all your support and good wishes and support staff of Curofy without which I could not have reached to this level . Thanks to all of you.

1 year old child presented with h/o abdominal distension, right upper quadrant mass, intermittent abdominal pain along with vomitting and constipation. CECT if child is represented below.

9 yrs boy with this patches, no any itching , no past history, plz suggest medicines

10/yr female having c/o: flat small light-brown spots on face since 5yrs. No itching ,no burning, No other symptom. Please give me dx & Rx . Thanks !!!

Extremely classical lesion. Just since last night. Posted here because it fits the textbook description 'dew drops on rose petal'