Friday Pop Quiz 12/5/2025
Which histologic subtype of the lesion shown is most aggressive?
A. Solid
B. Nodular
C. Superficial
D. Morpheaform
E. All are equal
To find out the correct answer and read the explanation, click here.
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Which histologic subtype of the lesion shown is most aggressive?
A. Solid
B. Nodular
C. Superficial
D. Morpheaform
E. All are equal
To find out the correct answer and read the explanation, click here.
Brought to you by our brand partner
*Brand partners had no involvement in the content of the questions or answers.
… 
A 7-year-old boy presents with recurrent crops of pink papules on the trunk, buttocks, and proximal extremities, as shown in the clinical image. The lesions ulcerate and heal with varioliform scarring. Which of the following histologic findings would not be expected in this condition?
A. Lichenoid infiltrate
B. Extravasation of red blood cells
C. Dyskeratosis
D. Parakeratosis
E. … 
A patient presents for evaluation of a solitary painful lesion on the shin. She feels well and denies any systemic symptoms. A recent fasting blood glucose was within normal limits. Which of the following is the most likely diagnosis?
A. Pretibial myxedema
B. Morphea
C. Lipodermatosclerosis
D. Necrobiotic xanthogranuloma
… 
A 90-year-old male presents with irregularly shaped macules, 1-4 cm in diameter, that are dark purple with well-defined margins on both forearms. The lesions do not undergo the color changes of a raise and take up to three weeks to resolve. What is the most common cause of this skin condition?
A. Age and photo damage
B. Thick vessel walls
C. Iron deficiency anemia
D. Hereditary hem … 
A 33-year-old female presents with the shown painful lesions that appeared abruptly one week ago. She recently had gotten over an upper respiratory infection the previous week. She is currently febrile to 38.3C with malaise and headaches. You perform a biopsy to confirm your clinical suspicions. Which of the following medications should result in quick clearance of her skin lesions:
A. Doxy …