Friday Pop Quiz 11/7/2025
A 2-year-old male with recurrent flares of the pictured findings developed non-tender nodules on his bilateral thighs. What would likely establish the diagnosis?
A. Genetic testing for STAT3 and DOCK8 mutations
B. Genetic testing for SPINK5 mutations
C. Obtaining immunoglobulin E levels
D. Obtaining serum zinc levels
E. Flow cytometry to evaluate CD18 expression
To find out the …
A 2-year-old male with recurrent flares of the pictured findings developed non-tender nodules on his bilateral thighs. What would likely establish the diagnosis?
A. Genetic testing for STAT3 and DOCK8 mutations
B. Genetic testing for SPINK5 mutations
C. Obtaining immunoglobulin E levels
D. Obtaining serum zinc levels
E. Flow cytometry to evaluate CD18 expression
To find out the … 
Several media outlets have covered the TikTok trend of drinking chlorophyll for clearer skin. Is there any science behind drinking chlorophyll to treat acne? What are the most recent developments in the study of diet and acne?
To answer these questions, I contacted dermatologist Rajani Katta, MD, volunteer clinical faculty at Baylor College of Medicine and McGovern Medical School at UT Health. …