Cutis; Cutaneous Medicine for the Practitioner

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Telogen effluvium (TE) is a common mechanism underlying medication-related alopecia. The inciting cause of TE may be difficult to identify due to delays in clinically apparent hair loss. Because medication-induced TE is a nonscarring alopecia that typically is reversible, appropriate management requires identification of the underlying trigger and cessation of potential culprit medications. In part 2 of this 2-part series on medication-induced TE, we focus on anticoagulant and antihypertensive medications.

No abstract text is available yet for this article.

No abstract text is available yet for this article.

Squamous cell carcinoma (SCC) is a known sequela of chronic inflammatory conditions of the skin. Labial discoid lupus erythema-tosus (DLE), oral lichen planus (OLP), and lichen sclerosus have a relatively short lag time from dermatosis onset to manifestation of malignancy; cutaneous DLE, hypertrophic lichen planus, chronic wounds, hidradenitis suppurativa (HS), and necrobiosis lipoidica can be present for decades before an associated malignancy is observed. Vigilant monitoring is essential for orolabial DLE, chronic HS, and chronic wounds because malignancies in these settings are particularly aggressive and often fatal...

Rhipicephalus ticks are vectors of disease in humans and animals. Rhipicephalus sanguineus sensu lato (the brown dog tick) is one of the most geographically widespread tick species worldwide, likely due to its ability to colonize human and canine dwellings over a range of habitats. They transmit a variety of diseases to dogs and humans, including canine babesiosis, canine monocytic ehrlichiosis, hepatozoonosis, Mediterranean spotted fever, and Rocky Mountain spotted fever. Tick bites manifest as intensely pruritic, erythematous papules at the site of tick attachment; symptomatic relief usually can be achieved with topical antipruritics...

Acne vulgaris is a common condition that routinely affects females of childbearing age. Taking into consideration the reproductive journey of women when treating acne is of paramount importance given the safety concerns to both the mother and the fetus associated with certain medications. Therefore, careful consideration of therapeutic choices during pregnancy is crucial. Herein, we summarize the safety of acne treatments during pregnancy and offer practical clinical pearls for routine dermatology practice.

No abstract text is available yet for this article.

No abstract text is available yet for this article.

"Leaves of three, leave it be" serves as an apt caution for avoiding poison ivy (Toxicodendron species) and its dermatitis-inducing sap. Toxicodendron contact dermatitis (TCD) poses a notable burden to the American health care system by accounting for half a million reported cases of allergic contact dermatitis (ACD) annually. Identifying and avoiding physical contact with the western poison ivy (Toxicodendron rydbergii) plant prevails as the chief method of preventing TCD. This article discusses common features of T rydbergii as well as clinical manifestations and treatment options following exposure to this allergenic plant...

The subset of nevi occurring at special sites (eg, acral skin, anogeni-tal region, breast, ear, flexural surfaces) have normal histologic variations that preclude the use of routinely used diagnostic criteria for malignancy. Suggested criteria for differentiating malignant special-site lesions from benign lesions have been described, but there is an unmet need for a validated test aiding in the delineation of benign and malignant lesions at special sites. Preferentially expressed antigen of melanoma (PRAME) expression has been characterized as a relatively specific marker of melanoma, but not within the specific population of special-site lesions...

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Internet platforms have become a common source of information for individuals with skin diseases such as vitiligo, and the vitiligo community frequently turns to online sources for diet modifications that may be beneficial for their disease. In this study, our objective was to summarize information from the most frequently visited websites providing diet suggestions that reportedly affected vitiligo symptoms. Notable diet categories for food components included vitamins, fruits, omega-3 fatty acids, grains, minerals, vegetables, and nuts...

Readily available and comparatively inexpensive, the common alcohol swab can aid dermatologists in everything from diagnosis to preoperative and postoperative care. The 70% isopropyl alcohol swab can aid in the accurate diagnosis of lesions and skin conditions, identification of biopsy sites, and disinfection.

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No abstract text is available yet for this article.

The differential diagnosis of dermatoses in the axillae is broad. Contact dermatitis-both irritant and allergic-represents common etiologies. Axillary contact dermatitis can develop following exposure to a variety of irritants and/or allergens. Frequently implicated sources include deodorants, antiperspirants, detergents, soaps, and clothing. Fragrance, a ubiquitous ingredient within these products, as well as metals and dyes, are common causes of contact dermatitis. Clinical assessment, bedside diagnostic techniques, histopathology, and patch testing can aid in the diagnosis and help inform management directions...

Azadirachta indica, commonly known as neem, has many uses as a natural remedy. We review and discuss the pharmacologic, biologic, and medicinal properties of neem in disease management. We also report a rare clinical case of a 77-year-old man who presented with a hypopigmented rash on the lower back, bilateral flanks, and buttocks after 6 months of repeated application of neem oil to treat persistent arthritis and lower back pain.

No abstract text is available yet for this article.

No abstract text is available yet for this article.