Adult patient with multiple scaly macules over chest and back, test which can diagnose this condition is/ are?
10% KOH moun
Wood Lamp examination
Skin biopsy
All the above
Ans. is 'd' i.e., All the above Information in this question Adult patient Hypopigmented macule With scales Over chest and back Most probable diagnosis is: Pityriasis versicolor Diagnosis of Pityriasis versicolor Examination of scales in 10% KOH shows sho hyphae and round spores (Sphagetti and meat ball appearance). Wood lamp shows apple green fluorescence (blue-green fluorescence). Skin surface biopsy ---> A Cyanoacrylate adhesive (Crazy glue) is used to remove the layer of stratum coreum on glass slide and then stained with PAS reagent.