Are You Confident of the Diagnosis? Demodex mites are the most common human ectoparasite. They are normally found in the pilosebaceous glands, and their role in causing human disease is controversial. High numbers of mites as well as the presence of mites free in the dermis has been implicated to cause various clinical manifestations in…
Are You Confident of the Diagnosis? What you should be alert for in the history There is a history of a stable or slowly growing single light-to-dark-brown macule, patch, or linear lesion on the palm or sole; rarely, there can be multiple lesions or lesions on the trunk. There may be a history of a…
Are You Confident of the Diagnosis? Characteristic findings on physical examination White piedra can occur in patients of any age, and tends to occur in temperate areas of the world. The pubic, axillary, and facial hair are more often affected than scalp hair. Patients have white to light brown soft papules loosely attached at irregular…
Are You Confident of the Diagnosis? Infection of the skin with Aspergillus species can occur through primary inoculation of fungal spores directly into the skin from the environment; through spread from infected contiguous organs, particularly the nasal sinuses; and from hematogenous spread from a distant infected organ, often the lungs. Rarely, Aspergillus species may be…
