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Case Letter
Cutaneous Metastases From Esophageal Adenocarcinoma on the Scalp
In the setting of underlying esophageal adenocarcinoma, metastatic spread to the scalp should be considered in the differential diagnosis for any...
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An Unusual Presentation of Calciphylaxis
Although it commonly presents as well-demarcated, painful, purplish lesions that evolve into necrotic eschars, calciphylaxis rarely can present...
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Skin Burns From Transcranial Electrical Stimulation
Cranial skin burns can point to misuse of electrical stimulation.
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Inflammatory Changes in Actinic Keratoses Associated With Afatinib Therapy
One of the underreported adverse events of afatinibis is the induction of inflammatory changes in actinic keratoses (AKs).
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Cutaneous Id Reaction After Using Cyanoacrylate for Wound Closure
2-Octyl-cyanoacrylate (2-CA) tissue adhesive has been reported to cause contact dermatitis when applied topically for surgical site closure.
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Rapid Development of Perifolliculitis Following Mesotherapy
Mesotherapy is a common procedure performed in both medical and nomedical settings for cosmetic rejuvenation. Complications can occur from...
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Human Immunodeficiency Virus Infection in a Hepatitis B Virus–Positive Psoriasis Patient Treated With Ustekinumab
Psoriasis in patients with human immunodeficiency virus (HIV) tends to be more resistant to conventional therapies. Experience is limited in the...
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Angiosarcoma Imitating a Morpheaform Basal Cell Carcinoma
Angiosarcoma is an aggressive vascular tumor with a poor prognosis. Classically, angiosarcoma presents as a violaceous patch or plaque but...
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Cutaneous Collagenous Vasculopathy
Cutaneous collagenous vasculopathy (CCV) should be in the differential diagnosis of widespread telangiectases. Biopsy is needed to differentiate...
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Persistent Chlorotrichosis With Chronic Sun Exposure
Chlorotrichosis is the deposition of copper onto hair, which causes a green discoloration and most commonly occurs in blonde patients with...
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Localized Acanthosis Nigricans at the Site of Repetitive Insulin Injections
Benign acanthosis nigricans is most often related to insulin resistance and presents as asymptomatic, hyperpigmented, velvety plaques on the neck...