Are You Confident of the Diagnosis? What you should be alert for in the history Characteristic findings on physical examination Diabetic dermopathy presents as brown or pink well-demarcated macules or flat-topped papules on the bilateral pretibial areas of patients with diabetes mellitus. Typically, the lesions are round or oval and are less than 1cm in…
Are You Confident of the Diagnosis? Coccidioidomycosis is a deep fungal infection associated with diverse cutaneous findings. Dermatologic manifestations may be the initial signs of the infection and are important clues to the diagnosis. What you should be alert for in the history? A key point in the patient’s history is travel to or residence…
Are You Confident of the Diagnosis? Characteristic findings on physical examination Annular elastolytic giant cell granuloma (AEGCG) is characterized by smooth-surfaced annular plaques with raised red borders and central hypopigmentation, occurring mostly on sun-exposed areas of the head, neck, and upper extremities. (Figure 1) Papular and reticulated variants have also been described. Lesions are usually…
Are You Confident of the Diagnosis? Characteristic features on physical examination Necrobiosis lipoidica (NL) typically presents on the anterior tibial areas and ankles as firm smooth annular plaques. The peripheral rims of the plaques are red, violet, or brown, and the atrophic central portions are often yellow or pink (Figure 1, Figure 2). Varicosities and…
