White patches in tongue

Dear doctor..im unable to Diagnose what is this Patient tounge is white .patinet subah ko tongue saaf kar leta h, par afternoon tak phir white ho jati hai, Only Irritation...hai or kuch nahi Pls rx and dx

9yer old/mch , with complaints of white patches over posterior tongue and postrior pharyngeal wall, No h/o of sore throat or fever or anyother significant symptoms, case referred from another centre , in my view its leukoplakia ..any ddx ?

A 64 y/o male presented with a painful, smooth, red tongue and a burning sensation around his lips that had developed 6 months earlier. No deficits were found on neurologic examination. What is the most likely diagnosis?

A 74 yrs old female PT Having recurrent stomatitis.C/o burning sensation mainly to tongue at tip and borders on only spicy food intake.On regular medicine of Tenoric 25 and Tab.GlynaseMF. Sugar well controlled on OHA. No Asthmaor any skin disease. On regular walking exercise,Pure vegetarian.Taken Folvite,B complex for some days but recurrancy in symptoms. Hb- 11.7,TC_7400,Differential count WNL,MCV-89.14,MCH-28.89,MCHC-32.41,HAEMATOCRIT-36.1(40-54),NORMOCYTIC,NORMOCHROMIC. Resp.Drs pl guide line of management.

45y/o gutkha & tobacco chewer male having these type of white lesion inside the cheek since 1 week. c/o : burning sensation ++ no pain Non diabetic & normotensive Dx & Rx ???