Therapeutic Strategies in Dermatology

Keloids and Hypertrophic Scars: Treatment

Treatment First-line therapy: Intralesional corticosteroids remain the first-line therapy for keloids and hypertrophic scars. They may be effective in 50-100% of cases but may be associated with recurrence in up to half of cases. Treatment of keloid…

Dermatology Practical & Conceptual

Multiple confluent reddish nodules

…Schiff, 400 and 1000x. [Copyright: ©2013 Jeunon et al.] Answer Lobomycosis (Jorge Lobo’s disease) Discussion Lobomycosis is a chronic infectious granulomatous disease of the dermis and hypodermis caused by the fungus Lacazia loboi [1,2]. There is no…

Dermatology Practical & Conceptual

Nodules on the right ear

Case report A healthy 17-year-old boy with a one-year history of asymptomatic, slowly enlarging nodules affecting his right ear was seen. The patient’s past medical history was unremarkable, he was not immunosuppressed, he was not taking any drugs, and he was employed as a rubber worker in the Amazon region. Physical examination revealed ill-defined, smooth, […]

Histologic Diagnosis of Inflammatory Skin Diseases

Atypical mycobacterial infections

Atypical mycobacterial infections Presentation stereotypical Age and sex Any age, but more often in young adults, particularly men and those who are immunocompromised Distribution of lesions Localized to a circumscribed site, that being the one of i…

Histologic Diagnosis of Inflammatory Skin Diseases


Images 10.17.1A: Nodular dermatitis, granulomatous + 10.17.1B: Collections of histiocytes enveloped by lymphocytes and plasma cells, and brown spores in a multinucleate macrophage = Chromomycosis In a fully developed lesion of chromomyco…