Friday Pop Quiz 11/28/2025
A previously healthy 55-year-old patient presents with a four-month history of the pictured indurated papules and plaques. History does not reveal prior skin problems. The lesions started on the cheeks and are now affecting the forehead. The sun seems to exacerbate the condition, causing mild burning and pruritus. Patient complains of cheek swelling that worsens in the morning and improves as …
A previously healthy 55-year-old patient presents with a four-month history of the pictured indurated papules and plaques. History does not reveal prior skin problems. The lesions started on the cheeks and are now affecting the forehead. The sun seems to exacerbate the condition, causing mild burning and pruritus. Patient complains of cheek swelling that worsens in the morning and improves as … 
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. … 
In a transplant patient who has developed numerous of these lesions requiring Mohs, discussion with the patients transplant team regarding switching to which of the following medications may reduce risk deloping more of these in the future?
A. Sirolimus
B. Cyclosporine
C. Azathioprine
D. Voriconazole
E. Methotrexate
To find out the correct answer and read the explanation, click … 
Which of the following is true regarding this entity?
A. The subcutaneous variant is most common in children
B. 75% of localized lesions are still present 2 years after diagnosis
C. Localized lesions often ulcerate and heal with scarring
D. The perforating variant classically involves the lower extremities
E. Diabetes is present in the majority of patients with the generalized v … 
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
…