Direct Immunofluorescence – Friday Pop Quiz – 8/20/21
Similar lesions are present on the contralateral leg, and this patient also reports joint pain and tarry stools. A biopsy for direct immunofluorescence is most likely to show which of the following?
A. IgA deposition in the dermal papillae
B. Perivascular IgA deposition
C. Perivascular IgG deposition
D. Linear IgA deposition along the basement membrane zone
E. Linear IgG deposit …
Similar lesions are present on the contralateral leg, and this patient also reports joint pain and tarry stools. A biopsy for direct immunofluorescence is most likely to show which of the following?
A. IgA deposition in the dermal papillae
B. Perivascular IgA deposition
C. Perivascular IgG deposition
D. Linear IgA deposition along the basement membrane zone
E. Linear IgG deposit … Continue reading "Direct Immunofluorescence – Friday Pop Quiz – 8/20/21"







How to Mitigate Risk without Compromising Care
If you were to counsel a patient on every possible risk of a given medication, it would be a long list of extreme and rare potential outcomes and almost certainly leave the patient in doubt whether it is safe even to take. Frequent lab monitoring has been common practice and often used to reduce the perception of risk with systemic medication …
Several media outlets have covered benzene contamination in certain sunscreens, and Johnson & Johnson recently announced a recall of certain sunscreens due to benzene contamination.
Should patients be concerned about the safety of the sunscreens they use, and how should dermatologists answer questions about sunscreen safety?
I consulted two expert dermatologists: Dr. Amy McMichael, pr …
Tanning beds are NOT safer than the sun.1
More than 419,000 cases of skin cancer in the U.S. each year are linked to indoor tanning.2
Melanoma is the second most common cancer in females age 15-29.3
Tanning = DNA injury to your skin4
Skin exposed to UV radiation increases production of melanin to protect the skin from further damage. The increased melanin causing the tan color change is a si …
This patient underwent Mohs surgery and presents for suture removal. The following photo is an example of which type of closure?
A. Split-thickness skin graft
B. Full-thickness skin graft
C. Composite graft
D. Transposition flap
E. Interpolation flap
To find out the correct answer and read the explanation, click here.
Brought to you by our brand partner Derm In-Rev …