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Tim Hoar

Practical photodynamic therapy for the Canadian dermatologist

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Photodynamic therapy (PDT) is used in dermatology for the treatment of malignant and non-malignant cutaneous diseases. PDT utilizes a photosensitizing agent and visible light in the presence of oxygen to produce reactive oxygen species (ROS).

Hidradenitis Suppurativa: What’s on the Horizon?

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Hidradenitis suppurativa (HS) is a chronic inflammatory skin condition that has a paucity of effective therapeutic options. In recent years, progress has been made in the understanding of HS pathophysiology which has led to the development of new therapeutic options.

Skin picking: A practical approach for the busy dermatologist

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There is often a sense of dread when a dermatologist receives a referral for skin picking or excoriations. Due to the nature of our practices, these referrals typically suggest a longer visit, a frustrated patient, and ultimately, a less-than-satisfying visit for all parties involved.

Atopic Comorbidities of Atopic Dermatitis

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Atopic dermatitis (AD) is a chronic, pruritic, inflammatory, multidimensional-burden skin disease. It is associated with numerous comorbidities, which have been summarized in the literature previously.

An Update on Existing & Emerging Treatments for Vitiligo

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Vitiligo is characterized by chronic depigmented patches due to selective loss of melanocytes. The estimated prevalence of vitiligo is about 0.5 to 2% worldwide and, in addition to its significant cosmetic effect, it may cause major psychological distress.