Uses of woods light includes following EXCEPT: (A) Urine examination in porphyria, (B) Examination of hair in T. capitis, (C) Sclerema, (D) Erythrasma
Answer is C. Sclerema is characterized by diffuse hardening of the subcutaneous tissue with minimal inflammation. It usually affects premature, ill newborns. Diagnosis of Sclerema does not require use of wood light.