Dermatitis and Eczema — MCQs

Physical examination on a 65-year-old man with mild congestive heart failure reveals varicose veins, ankle edema, and inflammation of much of the skin near the ankles of both legs. The affected skin exhibits edema, erythema, mild scaling, and brown discoloration. The edges of skin involvement are poorly defined. On one ankle, a one centimeter diameter ulcerated area is seen within the erythematous area. The patient says that his leg lesions look much worse than they feel. Which of the following is the most likely diagnosis?

What is the characteristic feature of atopic dermatitis?

Lipodermatosclerosis is most commonly seen on which aspect of the leg?

A patient presents with chronic itchy papulovesicles on the extensor surfaces. Which of the following statements is NOT true regarding this condition?

A 5-year-old child presents with itchy, excoriated papules and elevated IgE levels. What is the most probable diagnosis?

Which of the following morphologic changes is most consistent with allergic, rather than irritant, contact dermatitis?

In contact dermatitis, which cells play a major role?

Which of the following is a minor clinical feature in the diagnosis of atopic dermatitis?

A child presents with itchy skin lesions on the elbows and other extensor surfaces. The mother reports a history of bronchial asthma. What is the most likely diagnosis?

The day after playing in the high grasses of a neighbour's fields, an 8-year-old boy develops a weeping, vesicular, erythematous, and itchy rash on his arms, legs, and neck. Which of the following best describes this inflammatory response?