This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Subject name: Dental
Uses of woods light includes following EXCEPT 
Select and explain. 
A. Urine examination in porphyria, B. Examination of hair in T. capitis, C. Sclerema, D. Erythrasma
C: Sclerema
Answer: C: Sclerema 
Explanation: 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.