friday pop quiz

Nail Tumors – Friday Pop Quiz 9/8/2023
A 40-year-old female began to develop tumors in childhood and continued to form them in adulthood. The tumors arose from the proximal or lateral nail fold and occurred most commonly around the toenails. She developed subungual tumors that originated under the nail plate and longitudinal red streaks with proximal narrowing in the fingernails. Over time, the lesions led to longitudinal grooving …
Circumferential Lesions – Friday Pop Quiz 9/1/2023
A patient presents with chronic swelling of the lower extremities and circumferential lesions on both lower legs of several years duration. The patient's legs are now as shown in the image. Which of the following is the most likely diagnosis? A. Lipodermatosclerosis B. Elephantiasis nostras verrucosa C. Deep fungal infection D. Podoconiosis E. Pigmented purpuric dermatosis To f …
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 …