Accessory tragus is a developmental defect involving malformation of part of the external ear.
It is a moderately rare congenital condition reported in 1858 by Birkett for the first time. …

Background Skin diseases are among the most common diseases encountered by healthcare
professionals. Despite this, dedicated dermatology teaching is limited in most Canadian …

Vitamin C deficiency results in the clinical presentation of scurvy, a disease that is rare
among the adolescent population. Individuals with unusual dietary habits, mental illness, or …

Background Inborn errors of immunity (IEIs) are a group of conditions affecting immune
system development and function. Due to their clinical heterogeneity and lack of provider …

Background The occlusion devices used for repair of atrial septal defect and patent foramen
ovale commonly contain nitinol, an alloy containing nickel. There are reports of nickel …

Background: Palisaded neutrophilic granulomatous dermatitis is a rare inflammatory dermatosis
with possible underlying systemic conditions including rheumatoid arthritis, autoimmune …

Background: Chronic spontaneous urticaria (CSU) is urticaria persisting for more than 6 weeks
with no identifiable provoking cause and associated with significant disability. Objectives: …

Introduction: Dependent erythema or rubor is an erythematous discoloration of the limbs,
most commonly associated with peripheral artery disease. We present a case of florid …

A 5-year-old girl presented with 7-month history of an asymptomatic enlarging skin-colored
nodule on the right forearm that ulcerated and began to bleed spontaneously two months …

This is a letter in response to an article by Colantonio and Kirshen titled “Severe Allergic
Contact Dermatitis Due to Polysporin.” 1 The article was about a 28-year-old woman with an …