Spaghetti and meat ball appearance is seen in- (LQ)
a. Tinea versicolor is a misnomer as it is not caused by a dermatophyte; it is caused by a non dermatophytic fungus called Pityrosporum ovale (Malassezia furfur). Usually affects young adults.
b. There are multiple scaly hypopigmented (more common) or hyperpigmented macules. Scaling is furfuraceous or rice powder like.
c. Examination of scales in 10% KOH shows short hyphae and round spores (spaghetti and meat ball appearance). Wood's lamp shows apple green fluorescence(blue-green fluorescence).