Purpuric Papules – Friday Pop Quiz 8/11/2023
A 47-year-old patient with psoriasis, chronic venous insufficiency and venous ulcers presents with one week's history of purpuric papules with some vesiculobullous lesions affecting the lower extremities and distal forearms. The distal lesions have central necrosis with scattered erosions. The patient says the lesions itch and complains of mild abdominal pain. How should the patient be managed …
Skin Patches – Friday Pop Quiz 8/4/2023
A 7-year-old female and her similarly affected father presented to your clinic with the skin findings shown below. What is the most likely cause? A. Chemical depigmentation B. Defective melanin synthesis C. Autoimmune destruction of melanocytes D. Defective migration of melanoblasts E. Overgrowth of Malassezia furfur To find out the correct answer and read the explanation, clic …
Facial Erythema – Friday Pop Quiz – 7/28/2023
A 60-year-old man presents with a tendency to flush combined with a background of persistent facial erythema. On exam, you notice a background of telangiectasias. He has maximized treatment with topical and oral medications and is considering laser treatment for his prominent blood vessels. Which is the laser of choice for this patient’s condition? A. Pulsed dye laser B. KTP laser C …
Medulloblastoma – Friday Pop Quiz 7/21/2023
  A 6-year-old child with a history of medulloblastoma presents for evaluation of lesions on his hands, as shown. He was previously seen for a basal cell carcinoma of the left distal forearm, which was excised. Which of the following is the most appropriate screening recommendation in this patient? A. Abdominal ultrasound B. Bone density scan C. Genetic counseling D. Hepato …